Opinion for the Court filed by Circuit Judge HARRY T. EDWARDS.
Dissenting opinion filed by Circuit Judge B0RK-
HARRY T. EDWARDS, Circuit Judge:!• Prologue
On this petition for review, we consider a case in which the petitioner, Kenneth Prill, *942was discharged from his job at Meyers Industries, Inc. (“Meyers”), because he complained about the unsafe condition of a company truck and trailer, including a complaint to state authorities following an accident, and because he refused, for safety reasons, to continue driving the truck and trailer following the accident. An investigation by state officials determined that the company vehicle was in fact unsafe due to faulty brakes and a damaged hitch, and a citation was issued against Meyers. Notwithstanding the concededly unsafe condition of the vehicle, Prill was fired because company officials decided that they could not have him “calling the cops all the time.”
In protest against his discharge, Prill filed an unfair labor practice charge with the National Labor Relations Board (“NLRB” or “Board”), and a complaint was issued against Meyers. An Administrative Law Judge (“ALJ”), following existing Board precedent, found that Prill’s conduct constituted “concerted activity] for ... mutual aid or protection” under section 7 of the National Labor Relations Act (“NLRA” or “Act”),1 and recommended his full reinstatement. However, the Board, over the dissent of one member, reversed the decision of the AU, overruled its earlier decisions, and dismissed the complaint against Meyers.2 In rejecting Prill’s charge, the Board adopted a new definition of “concerted activities;” under the enunciated test, an employee’s conduct is not “concerted” unless it is “engaged in with or on the authority of other employees, and not solely bv and on behalf of the employee himself.”3 Finding that Prill had acted alone and “solely on his own behalf,”4 the Board held his conduct unprotected by section 7.
It is not the responsibility of the courts to second-guess the lawful judgments of the NLRB. The Board has been granted broad authority to construe the NLRA in light of its expertise. In appropriate circumstances, the Board even may elect to abandon or modify established precedent. However, judicial deference is not accorded a decision of the NLRB when the Board acts pursuant to an erroneous view, of law and, as a consequence, fails to exercise the discretion delegated to it by Congress.
In the instant case, we find that the Board erred when it decided that its new definition of “concerted activities” was mandated by the NLRA. Because the Board misconstrued the bounds of the law, its opinion stands on a faulty legal premise and without adequate rationale. Accordingly, we remand this case under the principles of SEC v. Chenery Corp.,5 so that the Board may reconsider the scope of “concerted activities” under section 7. We express no opinion as to the correct test of “concerted activities;” we require only that the Board exercise the full measure of administrative discretion granted to it by Congress and reconsider this matter free from its erroneous conception of the bounds of the law.
*943II. Background
A. Facts
The facts were found by the Administrative Law Judge6 and accepted by the Board,7 and are largely undisputed on review. Kenneth Prill was hired as a skilled driver on April 24, 1979, by Meyers Industries, a Michigan company engaged in the manufacture, sale and distribution of aluminum boats and. related products. Prill had driven trucks for several years before going to work for Meyers, and he had received two years of training as a mechanic. Throughout the period that he was employed by Meyers, he had a good work record.
Prill was assigned to drive a red Ford truck and its accompanying trailer to haul boats from Meyers’ main facility in Tecumseh, Michigan, to dealers throughout the country. Prill soon began to experience problems with his equipment, especially with the steering and the trailer’s brakes.8 In addition to discussing these problems with other drivers,9 Prill made numerous complaints to his supervisor, Dave Faling, to the company president, Alan Beatty, and to the mechanic, Buck Maynard, after returning from trips on which the brakes malfunctioned.
On one trip, for example, while he was driving through Chicago, Illinois, Prill narrowly escaped an accident when his brakes failed during a sudden stop in heavy traffic. On his return Prill asked Faling and Maynard to have the brakes repaired, but Maynard’s efforts were unsuccessful. He told Prill that the axles were so old that it was impossible to secure replacement parts; Prill insisted that new parts be purchased. After his next trip, during which the brakes remained inoperative, Prill again asked Faling when the brakes would be repaired, but was simply referred to Maynard or Beatty.
On a subsequent trip to Xenia, Ohio, Prill stopped at a roadside inspection conducted by the Ohio State Highway Patrol. As a result of that inspection, the truck was issued a citation for a number of defects, including the brakes. When Prill returned to Michigan, he showed the citation to Fal-ing and submitted it together with his post-trip paperwork.
During the first two weeks in June, 1979, another driver, Ben Gove, drove Prill’s equipment on a trip to Sudberry, Ontario. Gove testified before the ALJ that he experienced a steering problem which made it difficult to hold the road and “caused [the truck] to swerve back and forth like Ken Prill described,” nearly causing an accident.10 When Gove went to Faling’s office to submit his post-trip report, Prill was there at the same time to receive paperwork for the next trip. Gove described the steering and brake problems to Faling, and stated, in Prill’s presence, that he would not drive the truck again until it was repaired.11 Faling promised to make the needed repairs.
In early July, Prill was driving through Athens, Tennessee, when he had an accident which the Board found was caused by the malfunctioning brakes.12 A pickup *944truck struck the left rear of Prill’s trailer, causing the truck to jack-knife and sending both vehicles into a ditch.13 After giving a statement to the state highway patrol at the scene of the accident, Prill unsuccess- „ „ , , , , ,, ’ , , , .. fully sought to have the truck and trailer i j , , , U1. , • mspeeted by the state public' service commission14
Following the accident, Prill called Meyers president Alan Beatty at home to advise him of the incident and of the extensive amage o e um • ^ as ® Pnll to chain the tractor and trailer togeth- , , , . , , , ™ ? „ er and tow the trailer back to lecumseh for repairs. Prill responded that “it would be possible to do that, but it would still be a hazard on the highway” because the hitch area was cracked and might give way and cause an accident.15 Beatty repeated that Prill should chain and tow the trailer home, but told him that if he insisted he could have a mechanic in Tennessee look at it.
... . n -n „ , „ , The following morning, Prill called Beat- , , , j , , L- , , nT ty at work and spoke to him and to Wayne Seagraves, the company’s vice president for production. Both were upset that Prill was still in Tennessee, and demanded to know why he had not yet left. Prill stated that the vehicle was unsafe because the hitch was damaged and the trailer lacked brakes. Seagraves responded that the company had been running its trucks like that for 20 years.16 At the end of the conversation, Beatty and Seagraves decided to send Maynard down to check the equipment.
.. „ ... , ., , , After this conversation, Prill decided to „ . .. „ . „ contact the Tennessee Public Service Com- ... „ ...... mission to arrange for an official inspection of the vehicle. The inspection resulted in a citation putting the unit out of service becauge of bad brakeg and d e tQ the wtch area. The dtation wag baged on gev. eral Department of Transportation regula- ,. . . „ K OA„ . , tions, including 49 C.F.R. § 396.4, which ,.’ ,. „ ’ ,. e operatfn °f “ unsaf« ^ cle.17 Pn” was instructed to notify the Pohe® °r Public Service Commission immelately if anyone attempted to move the vehicle before required repairs were made. When Maynard arrived in Tennessee later the same day, Prill showed him the citation, Maynard and Beatty then decided that the trailer was not worth repairing and should , ... r ,, .. be sold for scrap after removing the tires, 1 b
Two days later Prill reported for work and was summoned to Wayne Seagraves’ office, where he was questioned about the accident and damage to the truck. Both Seagraves and Beatty asked Prill why he had not towed the trailer back as requested; Prill responded that this would have been both unsafe and unlawful.18 At the *945end of the conversation, Seagraves told Prill that he was discharged because “we can’t have you calling the cops like this all the time.” 19
B. The Decisions of the ALJ and the Board
On the basis of these facts, the ALJ found that Prill was discharged because of his safety complaints and his refusal to drive an unsafe vehicle in accordance with Department of Transportation regulations.20 Relying on the rationale of Alleluia Cushion Co.,21 the ALJ held that Prill’s actions were “concerted activities for ... mutual aid or protection” under section 7 of the NLRA, and thus protected, because they inured to the benefit of all employees.22 In order to understand this conclusion, it is necessary briefly to review the development of the Board’s doctrine of “constructive concerted activity.”
During the past 25 years, the Board has gradually extended the concept of “concerted activities” under section 7 to include certain types of actions taken by individual employees. For example, under the so-called Interboro doctrine, the Board has long held that the assertion by a single employee of rights derived from a collective bargaining agreement is protected under section 7, on the reasoning that such an act is an extension of the concerted action that produced the agreement and that it affects the rights of all employees covered by the agreement.23 In addition, in a series of cases since 1959, the Board developed the position that section 7 protects corn-plaints made by an individual, even absent authorization by other employees, “if the matter at issue is of moment to the group of employees complaining and if that matter is brought to the attention of management by a spokesman, voluntary or appointed for that purpose, so long as such person is speaking for the benefit of the interested group.”24
In Alleluia Cushion Co.,25 the Board extended the doctrine of constructive concerted activity to include an individual employee’s efforts to invoke state and federal laws regulating occupational safety. In Alleluia an employee was discharged for notifying the California Occupational Safety and Health Administration (OSHA) of unsafe conditions at his plant. Observing that “[s]afe working conditions are matters of great and continuing concern for all within the workforce,” and that filing the OSHA complaint “was an action taken in furtherance of guaranteeing Respondent’s employees their rights under the California Occupational Safety and Health Act,” the Board held that
[i]t would be incongruous with the public policy enunciated in such occupational safety legislation ... to presume that, absent an outward manifestation of support, Henley’s fellow employees did not agree with his efforts to secure compliance with the statutory obligations imposed on Respondent for their benefit. Rather, since minimum safe and healthful employment conditions for the protection and well-being of employees has *946been legislatively declared to be in the overall public interest, the consent and concert of action emanates from the mere assertion of such statutory rights. Accordingly, where an employee speaks up and seeks to enforce statutory provisions relating to occupational safety designed for the benefit of all employees, in the absence of any evidence that fellow employees disavow such representation, we will find an implied consent thereto and deem such activity to be concerted.26
The rationale of Alleluia thus was composed of two stands: (1) the Board’s familiar view that an individual’s activity should be protected if it relates to a matter of “mutual concern” to employees, and (2) a more specific rationale that concert may be presumed when an individual asserts rights under a statute enacted for the benefit of employees.27
Applying the principles of Alleluia and its progeny,28 the ALT in the instant case held Prill’s conduct protected under section 7. He reasoned that Prill’s refusal to drive the vehicle was mandated by Department of Transportation regulations that reflected a concern for the safety of particular drivers as well as for that of the general public, and that “[a]n employee who complains about the safety of a particular truck speaks for the safety of any employee who may drive that truck.”29 The ALJ also held that Prill’s complaints prior to the accident “were clearly concerted because they were joined by driver Gove,” who had made similar complaints to supervisor Dave Faling in Prill’s presence.30 Therefore, the AU ruled that Prill’s discharge violated section 8(a)(1).
The Board disagreed and dismissed the complaint. Overruling Alleluia and its progeny, the Board argued that activity could be “concerted” only if it in fact involved “some kind of group action,” and criticized Alleluia as inconsistent with the statute because it allowed group support to be presumed rather than proven.31 Claiming to return to “the standard on which the Board and courts relied before Alleluia,”32 the Board announced the following test for protected concerted activity:
In general, to find an employee’s activity to be “concerted,” we shall require that it be engaged in with or on the authority of other employees, and not solely by or on behalf of the employee himself. Once *947the activity is found to be concerted, an 8(a)(1) violation will be found if, in addition, the employer knew of the protected nature of the employee’s activity, the concerted activity was protected by the Act, and the adverse employment action at issue (e.g., discharge) was motivated by the employee’s protected concerted activity.33
Applying this standard, the Board held that Prill had acted alone and “solely on his own behalf” when he refused to drive the truck and contacted the Tennessee Public Service Commission.34 As to whether Prill’s complaints prior to the accident were joined by Gove, the Board found that the record was clear that “Prill merely overheard Gove’s complaint while in the office on another matter.”35 Stating that “the most that can be inferred from this scenario is that another employee was individually concerned ... about the truck’s condition,” the Board ruled that “[tjaken by itself, ... individual employee concern, even if openly manifested by several employees on an individual basis, is not sufficient evidence to prove concert of action.” 36 Although the Board admitted to being “[ojutraged ... by a respondent who — at the expense of its driver and others traveling on the nation’s highways— was clearly attempting to squeeze the last drop of life out of a trailer that had just as clearly given up the ghost,” it nevertheless concluded that it did not believe “that section 7, framed as it was to legitimize and
protect group action engaged in by employees for their mutual aid and protection, was intended to encompass the case of individual activity presented here.”37 Therefore, the Board held that Prill’s discharge did not violate his rights under section 7.38
III. Analysis
A. Standard of Review
Because the Board is entrusted with the “responsibility to adapt the Act to changing patterns of industrial life,”39 a reasonable construction of the Act by the Board is entitled to considerable deference.40 An agency decision cannot be sustained, however, where it is based not on the agency’s own judgment but on an erroneous view of the law. For it is a fundamental principle of law that “an administrative order cannot be upheld unless the grounds upon which the agency acted in exercising its powers were those upon which its action can be sustained.”41 As the Supreme Court stated in its landmark decision in SEC v. Chenery Corp.:
[I]f [agency] action is based upon a determination of law as to which the reviewing authority of the courts does come into play, an order may not stand if the agency has misconceived the law____ [T]he orderly functioning of the process of review requires that the grounds upon which the administrative agency acted be *948clearly disclosed and adequately sustained.42
These principles were concisely stated by Judge Bork in his separate opinion in Planned Parenthood Federation of America, Inc. v. Heckler:43
Under SEC v. Chenery Corp., 318 U.S. 80, 63 S.Ct. 454, 87 L.Ed. 626 (1943), we must judge the validity of an administrative regulation solely on “the grounds upon which the [agency] itself based its action.” Id. at 88, 63 S.Ct. at 459. In particular, an agency regulation must be declared invalid, even though the agency might be able to adopt the regulation in the exercise of its discretion, if it was not based on the [agency s] own judgment but rather on the unjustified assumption that it was Congress judgment that such [a regulation is] desirable.” FCC v. RCA Communications, Inc., 346 U.S. 86, 96, 73 S.Ct. 998, 1005, 97 L.Ed. 1470 (1953). If a regulation is based on an incorrect view of applicable law, the regulation cannot stand as promulgated, unless the mistake of the administrative body is one that clearly had no bearing , ,, . , on the procedure used or the substance „ , . . , , „ ,, , ., of decision reached. Massachusetts Trustees v. United States, 377 U.S. 235, 248, 84 S.Ct. 1236, 1245, 12 L.Ed.2d 268 (1964)44
, ,. „ We think that the teachings of Chenery are plainly implicated in this case. The Board’s opinion clearly reveals that it considered its adoption of a narrow test for “concerted activities” both to be mandated by the NLRA itself and to be merely a return to “the standard on which the Board and courts relied before Alleluia.”45 We believe that the Board misinterpreted the law in two respects. First, we think, espe-dally on the basis of recent Supreme Court decisions, that the Board erred in assuming that the NLRA mandates its present interpretation of “concerted activities.” In other words, the Board’s opinion is wrong insofar as it holds that the agency is without discretion to construe “concerted activities” except as indicated in the Meyers test.46 Second, contrary to the view expressed by the Board, we find that the Meyers test does not represent a return to the standard relied on by the courts and by the Board before Alleluia, but instead constitutes a new and more restrictive stan-¿ard. We therefore conclude that, because the Board’s decision stands on a faulty legal premise and without adequate ration- ^ we must remand the case for reconsid. erat¡on
B. The Meyers Test
The Board announced in this case that> «[i]n general, to find an employee’s activit to be <concerted/ we shall require ^ ¡t be d in with or on the author. ., » ,, , , , , , , lty of other employees, and not solely by , J ' .. A „ .. and on behalf of the employee himself. 47 . , „ ~ . , . As counsel for the Board confirmed at oral ,. , . . ,, , argument, this test m effect requires that two or more employees join in or authorize conduct before activity can be “concerted” under gection 7_
The Board’s decisions since Meyers indicate that the new definition will be strictly construed to include only activity clearly joined in or endorsed by other employees, Thus, to find that a complaint by an individual employee was made “on behalf of” others, the Board in effect will require that the complaint have been specifically autho*949rized by other employees.48 Further, a single employee who files a complaint with a state agency will not be held to have engaged in concerted activities, regardless of how clearly his concern is shared by other employees.49
The Board’s opinion reveals that it believed its present construction of “concerted activities” both to be required by the NLRA and to be a return to standards used by the courts as well as by the Board itself before Alleluia. Although it conceded that “the legislative history of Section 7 does not specifically define ‘concerted activity,’ ” the Board maintained that “it does reveal that Congress considered the concept in terms of individuals united in pursuit of a common goal.”50 The Board argued that a similar interpretation emerged from an analysis of the language of section 7.51 The Board then reviewed its pre-Allel-uia decisions to show that, “[c]onsistent with this interpretation,” they had required “some sort of group action” to be present in order to find conduct to be concerted under section 7.52 The opinion criticized Alleluia for deviating from this norm, and observed that the Board’s post-Alleluia decisions had been rejected by the courts of appeals.53 The Board concluded:
For all the foregoing reasons, we are persuaded that the [Alleluia ] per se standard of concerted activity ... is at odds with the Act. The Board and courts always considered, first, whether the activity is [actually] concerted, and only then, whether it is protected. This approach is mandated by the statute itself, which requires that an activity be both “concerted” and “protected.” A Board finding that a particular form of individual activity warrants group support is not a sufficient basis for labeling that activity “concerted” within the meaning of Section. 7.
*950Based on the foregoing analysis, we hold that the concept of concerted activity first enunciated in Alleluia does not comport with the principles inherent in Section 7 of the Act. We rely, instead, upon the “objective” standard of concerted activity — the standard on which the Board and courts relied before Alleluia. Accordingly, we hereby overrule Alleluia and its progeny.54
As the foregoing passage makes clear, the Board believed that, in rejecting Alleluia and adopting the Meyers test, it was returning to the standards applied by the courts and by the Board before Alleluia, and that this approach was “mandated by the statute itself.”
Contrary to the dissent’s view, it is clear from the Board’s opinion that it considered not only its rejection of Alleluia but also its adoption of the Meyers standard to be required by the statute. In the passage quoted above, the Board contrasts the “per se ” standard of Alleluia with the approach it claims was traditionally taken by “[t]he Board and courts,” which required that conduct be actually concerted for protection under section 7. This approach, the Board maintains, “is mandated by the statute itself.” The Board states shortly thereafter that it will rely “upon the ‘objective’ standard of concerted activity — the standard on which the Board and courts relied before Alleluia;’’ it then proceeds to articulate the Meyers standard. We think it could hardly be more clear that the standard the Board adopts is the same approach that it claims was “mandated by the statute itself.” Moreover, the Board’s adoption of the “ ‘objective’ standard” occurs almost in the same breath as its overruling of Alleluia, and was evidently regarded as based on the same rationale, the Board’s view of the requirements of section 7. This reading is confirmed by the Board’s opinion as a whole, which is devoted primarily to criticizing Alleluia as inconsistent with the Act and contains not a word of justification for its new standard in terms of the policies of the statute. Thus, even if the dissent were correct that the Board did not regard its adoption of that standard as statutorily compelled, it would still be necessary to remand under Chen-ery because in that event the Board would have given no rationale whatsoever for the standard it adopted.
Because, in our view, the Board justified its new test as required by section 7 and as a return to traditional standards for concerted activity, we consider these grounds to determine whether they are correct interpretations of law.55
C. The Board’s Determination That the Meyers Standard is Statutorily Required
Our review of the Supreme Court’s decisions interpreting section 7 convinces us that, contrary to the Board’s view, the statutory language does not compel it to adopt its present definition of “concerted activities,” but rather gives the Board substantial responsibility to determine the scope of that provision in light of its own policy judgment and expertise. The Court has upheld the Board’s broad construction of section 7 in a variety of contexts,56 and has emphasized that “the Board has the ‘special function of applying the general provisions of the Act to the complexities of industrial life.’ ”57
*951Last Term, in NLRB v. City Disposal Systems,58 the Supreme Court specifically rejected the view that the Board was without authority to interpret “concerted activities” broadly to effectuate the purposes of section 7. In City Disposal, as in Meyers, a truck driver was discharged when he refused to drive a vehicle that he reasonably believed to be unsafe because of faulty brakes. Unlike Prill, however, the employee in City Disposal, James Brown, was covered by a collective bargaining agreement which permitted him to refuse to drive an unsafe vehicle unless the refusal was unjustified. The Board held Brown’s conduct protected under the Interboro doctrine. The Sixth Circuit, following the prevailing view in the courts of appeals, denied enforcement on the ground that Interboro was inconsistent with a literal reading of concerted activities. 59
Reversing the Sixth Circuit, the Supreme Court made clear that section 7 does not compel a narrowly literal interpretation of “concerted activities,” but rather is to be construed by the Board in light of its expertise in labor relations. While agreeing with the Meyers Board that the term “concerted activity” “clearly enough embraces the activities of employees who have joined together in order to achieve common goals,”60 the Court emphasized that “[w]hat is not self-evident from the language of the Act ... is the precise manner in which particular actions of an individual employee must be linked to the actions of fellow employees in order to permit it to be said that the individual is engaged in concerted activity.”61 The Court continued:
Although one could interpret the phrase, “to engage in concerted activities, ” to refer to a situation in which two or more employees are working together at the same time and the same place toward a common goal, the language of § 7 does not confine itself to such a narrow meaning. In fact, § 7 itself defines both joining and assisting labor organizations — activities in which a single employee can engage — as eoncert-ed activities. Indeed, even the courts that have rejected the Interboro doctrine recognize the possibility that an individual employee may be engaged in concerted activity when he acts alone.62
Because the Court found that the meaning of “concerted activities” was subject to varying interpretations based on “differing views regarding the nature of the relationship that must exist between the action of the individual employee and the actions of the group in order for § 7 to apply,” it held that the question was for the Board to resolve in light of its expertise in labor relations, as long as its judgment was reasonable.63 The Court concluded that the Interboro doctrine embodied a reasonable view, agreeing with the Board that “[t]he invocation of a right rooted in a collective bargaining agreement is unquestionably an integral part of the process that gave rise to the agreement,” a process that extends *952from the organization of a union to the enforcement of a collective bargaining agreement achieved through group action.64
The Court also found that the Interboro doctrine was not inconsistent with the congressional intent in enacting section 7.65 Reviewing the history of that provision,66 the Court concluded that Congress, in enacting section 7, had “sought generally to equalize the bargaining power of the employee with that of his employer by allowing employees to band together in confronting an employer regarding the terms and conditions of their employment.”67 Most importantly, the Court observed that “[tjhere is no indication that Congress intended to limit this protection to situations in which an employee’s activity and that of his fellow employees combine with one another in any particular way.”68
Thus, City Disposal makes unmistakably clear that, contrary to the Board’s view in Meyers, neither the language nor the history of section 7 requires that the term “concerted activities” be interpreted to protect only the most narrowly defined forms of common action by employees, and that the Board has substantial responsibility to determine the scope of protection in order to promote the purposes of the NLRA. The Board’s failure in Meyers to recognize the extent of its own interpretative authority has significant consequences. For example, in the past, both the Board and some courts have held that it is necessary under certain circumstances to accord protection to individual conduct in order to protect the development of collective activity.69 Simi*953larly, in City Disposal, the Supreme Court observed that under section 8(a)(1) of the Act “[i]t is possible ... for an employer to commit an unfair labor practice by discharging an employee who is not himself involved in concerted activity but whose actions are related to other employees’ concerted activities in such a manner as to render his discharge an interference or restraint on those activities.”70 In Meyers, however, the Board failed even to consider whether the discharge of an employee because of his safety complaints would discourage other employees from engaging in collective activity to improve working conditions.
We recognize that the Board did not have the benefit of the Supreme Court’s opinion in City Disposal when it decided Meyers, and that this fact may well have contributed to the Board’s misconception of the scope of its authority under section 7. Our remand in this case will permit the Board to reconsider Meyers in light of the Supreme Court’s intervening decision in City Disposal.
D. Decisions of the Courts and Board Before Alleluia
We also think that the Board was mistaken in its claim that, in adopting the Meyers test, it was simply returning to “the standard on which the Board and courts relied before Alleluia.”71 Because the Board relied on a misreading of precedent in selecting the new standard in Meyers, we remand the decision for reconsideration under the principles of Chenery,72
The test adopted by the Board in Meyers derives from the Ninth Circuit’s one-sentence per curiam opinion in Pacific Electri-*954cord Co. v. NLRB.73 The Pacific Electri-cord standard, however, has been followed only in the Ninth Circuit, at least as an exclusive definition of concerted activity. Furthermore, the Pacific Electricord test, which had been relied upon by the Ninth Circuit in rejecting the Interboro doctrine, was effectively disapproved by the Supreme Court in City Disposal, at least insofar as it applied to individual action in the context of collective bargaining.74 It is equally noteworthy that no other court has followed Pacific Electricord in defining “concerted activities” under section 7.75
The Board and most courts have historically taken a broader approach to defining the scope of section 7.76 In particular, the Meyers test appears to be narrower in at least two important respects than the standards traditionally applied by the Board and the courts to define concerted activity. First, both the Board and the courts have long held that an individual who brings a group complaint to the attention of management is engaged in concerted activity even though he was not designated or authorized to be a spokesman by the group.77 In applying the Meyers test, however, the Board has essentially required that such a complaint have been specifically authorized by the group in order to be protected under section 7.78
Second, the courts have long followed the Board’s view that individual efforts to enlist other employees in support of common goals is protected by section 7.79 The *955leading case is Mushroom Transportation Co. v. NLRB,80 which holds that conduct is protected if it is “engaged in with the object of initiating or inducing or preparing for group action or ... had some relation to group action in the interest of employees.”81 As the Supreme Court indicated in City Disposal, practically all courts follow Mushroom Transportation in holding such conduct protected.82 It is not clear, however, that the Meyers standard would protect an individual’s efforts to induce group action.83
The Mushroom Transportation standard has been given varying interpretations by the courts of appeals. Some courts have applied the standard narrowly;84 others have given it a more expansive *956interpretation, emphasizing the Third Circuit’s statement that conduct is protected if it “had some relation to group action in the interest of employees.”85 Further, a number of cases have expressed the view that an individual employee engages in concerted activity when the purpose of his acts is to promote the welfare of other workers.86 Finally, in one case, the Sixth Circuit found concerted activity on facts quite close to those in Meyers.87
We do not undertake to decide in this case whether the Board is required to follow any particular approach to concerted activity under section 7. Rather, we review these cases in order to see whether the Board was correct in its view that, in adopting the Meyers test, it was doing no more than conforming to “the standard on which the Board and courts relied before Alleluia.” As we have tried to make clear, any fair reading of judicial precedent reveals that the Board’s test in Meyers is substantially narrower in important respects than the various standards for concerted activity that have been followed by past Boards and most of the courts of appeals. We therefore conclude that, in adopting the Meyers test, the Board relied on a misinterpretation of judicial decisions and its own prior cases.
Our conclusion highlights the lack of any meaningful support for the Board’s opinion in this case. Not only is the Board’s decision grounded on a faulty legal premise (as shown in part III.C. supra), it is also flawed by a lack of rationale. We are therefore constrained, under the authority of Chenery, to remand this case for reconsideration by the Board.
Conclusion
We hold that, in adopting the Meyers test of “concerted activities,” the Board failed to rely on its own judgment and expertise, and instead based its decision on an erroneous view of the law. The Supreme Court’s decision in City Disposal makes clear that the Board is not required to give a narrowly literal interpretation to “concerted activities,” but has substantial authority to “de-fin[e] the scope of § 7 ‘... in the first instance as it considers the wide variety of cases that come before it.’ ”88 Moreover, we find that, contrary to the Board’s view, its Meyers standard does not constitute a mere return to the standards traditionally applied by the Board and the courts to define concerted activity, but instead is substantially more restrictive.
This is not a case in which the “mistake of the administrative body is one that clearly had no bearing on the procedure used or the substance of decision reached.”89 As our discussion has shown, the Board and courts of appeals have taken a variety of approaches to defining “concerted activities,” some of which might result in relief for the petitioner. Moreover, the result in a given case will often turn not only on the governing standard but also on the manner in which that standard is applied, and this may well be influenced by whether the *957Board believes the standard to be dictated by the statute itself or rather adopted as a matter of policy in order to effectuate the purposes of the Act. Thus, we cannot say that the Board’s error in this case clearly had no bearing on the result reached.
Rather than remand to the Board, the dissent would have this court determine for itself whether, applying the City Disposal analysis, the conduct at issue here is sufficiently related to the actions of other employees that it should be held protected under section 7. We believe, however, that such a determination is for the Board and not for this court to make in the first instance. The dissent’s extensive efforts to provide a justification for distinguishing between the assertion of rights within and without a collective bargaining context only underscore the failure of the Board to provide a reasoned basis for such a distinction in its own opinion. Our remand in this case is intended to afford the Board a full opportunity to consider such issues in light of the analysis of section 7 in City Disposal.
The dissent unaccountably characterizes our opinion as holding that the Board had discretion under section 7 to adopt the Alleluia doctrine. However, as we have made clear, we do not find it necessary to consider the validity of Alleluia or any other test of concerted activity in this case, and we express no opinion on this issue. The dissent also urges on various grounds that remand is unnecessary because the Board’s error in this case is “harmless.” We do not believe that an agency decision can be sustained under any notion of “harmless error” where the agency has failed to exercise its lawful discretion and has provided no rational basis for its determination.
Although we, like the Board, find the facts of this case to be egregious, we stress that this in no way forms the basis of our decision. Nonetheless, we think that the facts of this case highlight the Board’s failure to give a considered judgment on the issues involved. In the present case, the Board upheld the discharge of an employee for refusing to drive a vehicle determined to be unsafe by state authorities, despite the fact that both the employee and the company were under a legal obligation not to operate the vehicle.90 Moreover, the Board’s decision in Meyers produces the anomaly that a unionized worker who complains about safety or other matters covered by a collective bargaining agreement will be held protected under Interboro and City Disposal, while an unorganized employee will be denied protection for engaging in identical conduct. We agree with the Board that its responsibility is to apply the National Labor Relations Act and not to enforce all state and federal law. This does not mean, however, that with respect to matters within its discretion, the Board should ignore the policy implications of its decisions.
Because we have determined that it was “improper for the [Board] to suppose that the standard it has adopted is to be derived without more from a national policy defined by legislation and by the courts,”91 we remand the case to the Board for reconsideration of the scope of “concerted activities” under section 7.92
So ordered.
. NLRA § 7, 29 U.S.C. § 157 (1982), provides:
Employees shall have the right to self-organization, to form, join, or assist labor organizations, to bargain collectively through representatives of their own choosing, and to engage in other concerted activities for the purpose of collective bargaining or other mutual aid or protection, and shall also have the right to refrain from any or all of such activities except to the extent that such right may be affected by an agreement requiring membership in a labor organization as a condition of employment as authorized in section 158(a)(3) of this title. Section 8(a)(1) of the NLRA, 29 U.S.C.
§ 158(a)(1) (1982), provides:
It shall be an unfair labor practice for an employer—
(1) to interfere with, restrain, or coerce employees in the exercise of the rights guaranteed in section 157 of this title.
. Meyers Indus., Inc., 268 N.L.R.B. No. 73, 115 L.R.R.M. 1025 (Jan. 6, 1984) (hereinafter referred to as "Meyers ").
. Id. at 12, 115 L.R.R.M. at 1029.
. Id. at 16, 115 L.R.R.M. at 1030.
. 318 U.S. 80, 63 S.Ct. 454, 87 L.Ed. 626 (1943).
. Meyers Indus., Inc., Case 7-CA-17207, slip op. at 2-5 (Jan. 14, 1981), reprinted in Joint Appendix ("J.A.") 280, 281-84 (hereinafter referred to as "ALJ Decision”).
. Meyers at 1-2, 13-15, 115 L.R.R.M. at 1029-30.
. As Prill explained in his testimony before the ALJ, his vehicle was equipped with braking systems on both the truck and the trailer components. These systems, although they can be operated independently, ordinarily would function together when the brake pedal is depressed. On the vehicle assigned to Prill, however, the brakes on the trailer were essentially inoperative. See Transcript of Hearing (Aug. 1, 1980) ("Tr.”) at 16-17, J.A. 40-41.
. See Tr. at 18, J.A. 42.
. Tr. at 62, J.A. 86.
. Gove testified at the hearing that he told Faling, “I wouldn’t take the truck as far as Clinton and back, until ... someone reapired [sic] it. I didn’t care who done it, but I wasn't going to drive it no further.” Tr. at 63, J.A. 87. In its brief, the Board reads this statement to mean that Gove did not care who drove the truck. Brief for NLRB at 3. We agree with the petitioner, Reply Brief of Petitioner at 1-2, that the more natural reading of Gove’s statement is that he did not care who repaired the truck so long as repairs were made.
. Meyers at 14, 115 L.R.R.M. at 1029.
. Meyers conceded before the agency that the accident was not Prill's fault and that it was not a consideration in his discharge. ALJ Decision at 3, J.A. 282.
. Tr. at 34-35, J.A. 58-59.
.„ 15. Tr. at 36, J.A. 60.
. Tr. at 37, J.A. 61.
. 49 C.F.R. § 396.4 (1978), the regulation in effect at the time of the events herein, provided as follows:
Unsafe operations forbidden.
No motor carrier shall permit or require a driver to drive any motor vehicle revealed by inspection or operation to be in such condition that its operation would be hazardous or likely to result in a breakdown of the vehicle nor shall any driver drive any motor vehicle which by reason of its mechanical condition is so imminently hazardous to operate as to be likely to cause an accident or a breakdown of the vehicle. If while any motor vehicle is being operated on a highway, it is discovered to be in such unsafe condition, it shall be continued in operation only to the nearest place where repairs can safely be effected, and even such operations shall be conducted only if it be less hazardous to the public than permitting the vehicle to remain on the high-^ay.
. pr;|j testified that he told Seagraves "that the law requires that all vehicles that are involved lu an accident be inspected by either a state authority or a certified mechanic of somekind M before they are moved or put back on the highway again. Tr. at 54, J.A. 78. Prill testifled that in this conversation he was relying on § 396.6 of the Federal Motor Carrier Safety Regulations, which were contained in a manual for truck drivers published by the Federal Highway Administration, U.S. Department of Transportation. The section provided as follows:
Damaged vehicles, inspection,
No motor carrier shall permit or require a driver to drive nor shall any driver drive a
*945motor vehicle which has been damaged in an accident or by other cause until inspection has been made by a person qualified to ascertain the nature and extent of the damage and the relationship of such damage to the safe operation of the motor vehicle, nor shall such motor vehicle be operated until such person has determined it to be in safe operating condition.
49 C.F.R. § 396.6 (1978).
. Tr. at 44, J.A. 68.
. ALJ Decision at 8-9, J.A. 287-88.
. 221 N.L.R.B. 999 (1975).
. ALJ Decision at 9-10, J.A. 288-90.
. See Interboro Contractors, Inc., 157 N.L.R.B. 1295, 1298 (1966), enforced, 388 F.2d 495 (2d Cir.1967); Bunney Bros. Constr. Co., 139 N.L.R.B. 1516, 1519 (1962).
. Carbet Corp., 191 N.L.R.B. 892, 892 (1971); Hugh H. Wilson Corp., 171 N.L.R.B. 1040, 1046 (1968), enforced, 414 F.2d 1345 (3d Cir.1969), cert. denied, 397 U.S. 935, 90 S.Ct. 943, 25 L.Ed.2d 115 (1970); Guernsey-Muskingum Elec. Coop., Inc., 124 N.L.R.B. 618, 624 (1959), enforced, 285 F.2d 8 (6th Cir.1960).
. 221 N.L.R.B. 999 (1975).
. Id. at 1000.
. See Meyers at 20-21, 15 L.R.R.M. at 1031-32 (Member Zimmerman, dissenting): Gorman & Finkin, The Individual and the Requirement of "Concert” Under the National Labor Relations Act, 130 U.Pa.L.Rev. 286, 305 (1981).
In later cases, the Board extended the reasoning of Alleluia to protect the assertion of rights under other statutes, as well as to complaints over matters of mutual concern and to employee complaints made to the employer rather than to governmental agencies. See, e.g., Krispy Kreme Doughnut Corp., 245 N.L.R.B. 1053 (1979), enforcement denied, 635 F.2d 304 (4th Cir.1980) (worker’s compensation claim); Steere Dairy, Inc., 237 N.L.R.B. 1350 (1978) (protest over pay and working conditions); Self Cycle & Marine Distrib. Co., 237 N.L.R.B. 75 (1978) (unemployment compensation claim); Air Surrey Corp., 229 N.L.R.B. 1064 (1977), enforcement denied, 601 F.2d 256 (6th Cir.1979) (inquiry concerning employer’s ability to meet payroll); Dawson Cabinet Co., 228 N.L.R.B. 290, enforcement denied, 566 F.2d 1079 (8th Cir.1977) (protest over failure to comply with Equal Pay Act).
While the Alleluia decision itself did not receive judicial review, the post-Alleluia decisions were generally rejected by the courts of appeals. See, e.g., Ontario Knife Co. v. NLRB, 637 F.2d 840 (2d Cir.1980); Krispy Kreme, supra; Pelton Casteel, Inc. v. NLRB, 627 F.2d 23 (7th Cir.1980); NLRB v. Bighorn Beverage, 614 F.2d 1238 (9th Cir.1980); Dawson Cabinet Co., supra. But see, e.g., NLRB v. Lloyd A. Fry Roofing Co., 651 F.2d 442 (6th Cir. 1981); NLRB v. Ambulance Serv. of New Bedford, Inc., 564 F.2d 88 (1st Cir.), enforcing mem. 229 N.L.R.B. 106 (1977); see also NLRB v. Parr Lance Ambulance Serv., 723 F.2d 575, 579-80 (7th Cir. 1983). We discuss below, see note 72 infra, the relevance of these decisions to the instant case.
. In particular, the AU relied on Pink Moody, Inc., 237 N.L.R.B. 39 (1978), in which the Board found a violation of section 8(a)(1) on facts nearly identical to those in Meyers.
. AIJ Decision at 9-10, J.A. 288-89.
. Id. at 10, J.A. 289.
. Meyers at 3, 8-10, 115 L.R.R.M. at 1026, 1027-28.
. Id. at 11, 115 L.R.R.M. at 1029.
. Id. at 12, 115 L.R.R.M. at 1029 (footnotes omitted).
. Id. at 16, 115 L.R.R.M. at 1030.
. Id.
. Id. at 17, 115 L.R.R.M. at 1030 (emphasis in original).
. Id. at 18, 115 L.R.R.M. at 1031. The Board added, paraphrasing Chairman Miller’s dissent in G.V.R., Inc., 201 N.L.R.B. 147, 148 (1973), that it was "neither God nor the Department of Transportation," and that it was "not empowered to correct all immorality or even illegality arising under the total fabric of Federal and state laws.” Meyers at 18, 115 L.R.R.M. at 1031.
. One member of the Board dissented, arguing that the Board’s "use [of] the concept of concerted activity to cut off protection for the individual employee who asserts collective rights” violated “the history and spirit of Federal labor laws." Id. at 20, 115 L.R.R.M. at 1031 (Member Zimmerman, dissenting).
. NLRB v. J. Weingarten, Inc., 420 U.S. 251, 266, 95 S.Ct. 959, 968, 43 L.Ed.2d 171 (1975).
. See, e.g., NLRB v. City Disposal Sys., Inc., — U.S.-, 104 S.Ct. 1505, 1510, 79 L.Ed.2d 839 (1984); Ford Motor Co. v. NLRB, 441 U.S. 488, 495, 99 S.Ct. 1842, 1848, 60 L.Ed.2d 420 (1979).
. SEC v. Chenery Corp., 318 U.S. 80, 95, 63 S.Ct. 454, 462, 87 L.Ed. 626 (1943) (“Chenery”); see also SEC v. Chenery Corp., 332 U.S. 194, 196, 67 S.Ct. 1575, 1577, 91 L.Ed. 1995 (1947).
. 318 U.S. at 94, 63 S.Ct. at 462.
. 712 F.2d 650 (D.C.Cir.1983).
. Id. at 666 (Bork, J., concurring in part and dissenting in part); see also FCC v. RCA Communications, Inc., 346 U.S. 86, 73 S.Ct. 998, 97 L.Ed. 1470 (1953); White v. United States Dep’t of the Army, 720 F.2d 209, 210-11 (D.C.Cir. 1983); The Diplomat Lakewood Inc. v. Harris, 613 F.2d 1009, 1018-19 (D.C.Cir.1979). See generally Friendly, Chenery Revisited: Reflections on Reversal and Remand of Administrative Orders, 1969 Duke L.J. 199.
. Meyers at 11, 115 L.R.R.M. at 1029.
. We express no view on whether, under § 7, the Board may adopt the Meyers test as an exercise of discretion.
. Meyers at 12, 115 L.R.R.M. at 1029.
. See, e.g., Mannington Mills, Inc., 272 N.L.R.B. No. 15, 117 L.R.R.M. 1233 (Sept. 21, 1984); see also Allied Erecting & Dismantling Co., 270 N.L.R.B. No. 48, 116 L.R.R.M. 1076 (April 30, 1984). In Mannington Mills, the employee, William Frie, was a crew leader in the respondent's shipping department, as well as the elected representative of that department’s employees to the company’s safety committee, a joint management-employee forum for both safety and nonsafety complaints. Shipping department employees had a ‘‘long-standing complaint” about the employer’s practice of requiring the night-shift crews to perform loading operations left unfinished by the previous shift. In July 1980, Frie, "acting in his capacity as employee representative,” raised this complaint with the safety committee and was told to take it up with the night-shift foreman. In October, he discussed the matter with the foreman and stated that the night-shift employees would refuse to perform such assignments in the future. Upholding Frie’s discharge, the Board stated that, even accepting Frie’s testimony that a number of other employees had indicated to him that they would refuse to perform the work, nothing in the record showed that they had authorized him to make such a threat to the employer. Thus, the Board concluded that, under Meyers, Frie’s threat constituted individual rather than concerted activity.
. In Jefferson Elec. Co., 271 N.L.R.B. No. 177, 117 L.R.R.M. 1092 (Aug. 21, 1984), a group of workers was exposed to noxious fumes from a production process as a result of a clogged air vent. Some employees complained to management about the fumes, but without success. The next day 11 employees were sent to the employer's doctor; three were hospitalized for periods of up to two weeks. While in the hospital, the employee most severely ill from the fumes filed a complaint about the incident with the state OSHA. She was later discharged for this action and for her pro-union activity. Because it found no evidence that the employee had solicited the support of others before filing her complaint, the Board held her activity un-concerted under Meyers and therefore upheld her discharge to the extent that it was motivated by her OSHA-related activity.
. Meyers at 3, 115 L.R.R.M. at 1025-26.
. According to the Board, "[t]he wording of that section demonstrates that the statute envisions ‘concerted’ action in terms of collective activity: the formation of or assistance to a group, or action as representative on behalf of a group.” Id. at 4, 115 L.R.R.M. at 1026. This interpretation of the statutory language appears to correspond, somewhat roughly, to the standard adopted in Meyers, which holds that action is concerted if it is "engaged in with or on the authority of other employees," id. at 12, 115 L.R.R.M. at 1029.
. Id. at 4, 115 L.R.R.M. at 1026.
. Id. at 8-10, 115 L.R.R.M. at 1027-28.
. Id. at 10-11, 115 L.R.R.M. at 1028-29 (footnote omitted). ' The Board then proceeded to articulate its new standard for concerted activity. Id. at 11-12, 115 L.R.R.M. at 1029.
. See FCC v. RCA Communications, Inc., 346 U.S. 86, 91, 73 S.Ct. 998, 1002, 97 L.Ed. 1470 (1953); Chenery, 318 U.S. at 87, 63 S.Ct. at 459.
. See, e.g., Eastex, Inc. v. NLRB, 437 U.S. 556, 98 S.Ct. 2505, 57 L.Ed.2d 428 (1978); NLRB v. J. Weingarten, Inc., 420 U.S. 251, 95 S.Ct. 959, 43 L.Ed.2d 171 (1975); NLRB v. Washington Aluminum Co., 370 U.S. 9, 82 S.Ct. 1099, 8 L.Ed.2d 298 (1962).
. NLRB v. J. Weingarten, Inc., 420 U.S. 251, 266, 95 S.Ct. 959, 968, 43 L.Ed.2d 171 (1975) (quoting NLRB v. Erie Resistor Corp., 373 U.S. 221, 236, 83 S.Ct. 1139, 1149, 10 L.Ed.2d 308 (1963)) (citations omitted).
. — U.S.-, 104 S.Ct. 1505, 79 L.Ed.2d 839 (1984).
. City Disposal Sys., Inc. v. NLRB, 683 F.2d 1005 (6th Cir.1982) (per curiam); see, e.g., Royal Dev. Co. v. NLRB, 703 F.2d 363, 374 (9th Cir. 1983); Roadway Express, Inc. v. NLRB, 700 F.2d 687, 693-94 (11th Cir.1983), vacated, — U.S. -, 104 S.Ct. 1699, 80 L.Ed.2d 173 (1984); NLRB v. Buddies Supermarkets, Inc., 481 F.2d 714, 719 (5th Cir.1973) (dictum); NLRB v. Northern Metal Co., 440 F.2d 881, 884 (3d Cir. 1971); see also Kohls v. NLRB, 629 F.2d 173, 176-77 (D.C.Cir.1980) (expressing doubts about the validity of Interboro ), cert. denied, 450 U.S. 931, 101 S.Ct. 1390, 67 L.Ed.2d 363 (1981).
. 104 S.Ct. at 1511 (citing Meyers at 3, 115 L.R.R.M. at 1025).
. 104 S.Ct. at 1511.
. Id¿ (empha=is ^ed) (footnote omitted). As *e ,Slfrfme ^ noted, the courts that rejected interboro hunted their recognition of this *?Pe of concerted activity, however, to two situatlons: U) that in whlch the Ione employee m-tends to induce group activity, and (2) that in which the employee acts as a representative of at least one other employee.” Id. 104 S.Ct. at 1511 (citations omitted). After City Disposal, of course, it is clear that at least a third instance of individual employee action is protected under section 7 — the assertion of rights rooted in a collective bargaining agreement.
. 104 S.C. at 1510-11.
. Id., 104 S.Ct. at 1511-12.
. Id. 104 S.Ct. at 1512.
. As the Court explained, the protection for concerted activities originated in §§ 6 and 20 of the Clayton Act, ch. 323, 38 Stat. 730, 731, 738 (1915) (currently codified at 15 U.S.C. § 17 (1982); 29 U.S.C. § 52 (1982)), and § 2 of the Norris-LaGuardia Act, ch. 90, 47 Stat. 70, 70 (1933) (currently codified at 29 U.S.C. § 102 (1982)). These provisions were enacted to exempt peaceful labor activities from the reach of the federal antitrust laws and the common law doctrine of unlawful conspiracy, which held that labor protests that would have been lawful if made by a single individual were nevertheless unlawful if conducted by a group. In Norris-LaGuardia Act § 2, Congress declared that it was the public policy of the United States that "the individual ... worker shall be free from the interference, restraint, or coercion, of employers ... in self-organization or in other concerted activities for the purpose of collective bargaining or other mutual aid or protection." Id. (emphasis added). The Clayton and Norris-La-Guardia Acts, however, granted legal protection to these rights only against interference by the federal courts through use of the labor injunction. When Congress adopted the National Industrial Relations Act, ch. 90, § 7(a), 48 Stat. 195 (1933), and the NLRA, ch. 372, § 7, 49 Stat. 449 (1935), it adopted the language of § 2 of the Norris-LaGuardia Act to define the rights of employees against employer coercion and discipline as. well. See City Disposal, 104 S.Ct. at 1512-13. See generally Gorman & Finkin, supra note 27, at 331-46.
The petitioner, joined by the amici, argues on the basis of this history that NLRA § 7 was intended not to protect only conduct engaged in by two or more employees, but rather to extend to group conduct the same protections to which individual actions were entitled. See Brief for Petitioner at 26-29; Brief of Amici Curiae Workers’ Rights Law Project (WRLP) and Philadelphia Area Project on Occupational Safety and Health (PHILAPOSH) at 11-17. This interpretation of the history of § 7 has the support of a number of commentators. See, e.g., Gorman & Finkin, supra note 27, at 331-46; Lynd, The Right to Engage in Concerted Activity After Union Recognition: A Study of Legislative History, 50 Ind.L.J. 720, 726-34 (1975); Note, Individual Rights for Organized and Unorganized Employees Under the National Labor Relations Act, 58 Tex.L.Rev. 991, 1006-08 (1980); see also Illinois Ruan Transp. Corp. v. NLRB, 404 F.2d 274, 289 n. 6 (8th Cir.1968) (Lay, J., dissenting). We find it unnecessary to consider this argument in the present case, however, since we find that, in any event, the Board was mistaken in its view that the language, history, and prior interpretation of § 7 left it without discretion to consider adopting a broader interpretation of the Act.
. 104 S.Ct. at 1513.
. Id.
. See, e.g., Hugh H. Wilson Corp. v. NLRB, 414 F.2d 1345, 1347 (3d Cir.1969) (“To protect concerted activities in full bloom, protection must necessarily be extended to ‘intended, contemplated or even referred to' group action, ... lest employer retaliation destroy the bud of employee initiative aimed at bettering terms of employment and working conditions.”) (quoting Mushroom Transp. Co. v. NLRB, 330 F.2d 683, 685 (3d Cir.1964)); cases cited in note 79 infra.
. 104 S.Ct. at 1512 n. 10.
. Meyers at 11, 115 L.R.R.M. at 1029.
. In its brief, Brief for NLRB at 7, 24-27, the Board urges us to uphold its decision partly because it "reasonably acquiesced” in the judicial decisions rejecting the Alleluia doctrine, see note 27 supra. This argument ignores the basic distinction between the Board’s rejection of the sweeping Alleluia principle and its establishment of the new standard. The Board's rejection of Alleluia in no way required it to adopt the test enunciated in Meyers.
For other reasons as well, we find the decisions on which the Board relies to be of limited value in deciding the present case. First, many of the cases that rejected Alleluia relied on reasoning or on earlier decisions that disapproved all forms of "constructive concerted activity,” including the Interboro doctrine. See, e.g., Jim Causley Pontiac v. NLRB, 620 F.2d 122, 126 n. 7 (6th Cir.1980) (finding adoption oí Alleluia foreclosed by ARO, Inc. v. NLRB, 596 F.2d 713 (6th Cir.1979)); NLRB v. Bighorn Beverage, 614 F.2d 1238, 1242 (9th Cir.1980) (relying on several decisions rejecting or criticizing Interboro); NLRB v. Dawson Cabinet Co., 566 F.2d 1079, 1082-84 (8th Cir.1977) (relying on NLRB v. Northern Metal Co., 440 F.2d 881 (3d Cir.1971), and NLRB v. Buddies Supermarkets, Inc., 481 F.2d 714, 719-20 (5th Cir.1973)). As the Board concedes, see Brief for NLRB at 26 n. 8, the rationale of such cases does not survive City Disposal.
Furthermore, many of the judicial decisions refusing to hold individual action to be concerted did not involve occupational safety or other statutory rights, but rather involved individual employee protests about job conditions. See, e.g., Ontario Knife Co. v. NLRB, 637 F.2d 840 (2d Cir.1980); Pelton Casteel, Inc. v. NLRB, 627 F.2d 23 (7th Cir.1980). In such cases, the employee’s complaint may appear to the court to be little more than a "personal gripe” unworthy of protection under § 7. See Pelton Casteel, 627 F.2d at 29. Few of the cases rejecting Alleluia involved matters of safety, see, e.g., Jim Causley Pontiac, supra; Bighorn Beverage, supra, and we are aware of no such cases in which the conduct for which the employee was disciplined was required by law, as in the present case. In a case quite similar on its facts to Meyers, NLRB v. Lloyd A. Fry Roofing Co., 651 F.2d 442 (6th Cir.1981), the Sixth Circuit upheld the Board’s finding that a truck driver who was discharged for his safety complaints was engaged in conduct protected by § 7. While the court found that there had been considerable group involvement in the safety issue, it also relied on the principles of Alleluia, concluding that the driver was protected because he had "attempt[ed] to enforce federal safety and state inspection regulations ... intended to provide all employees with a safe job environment and the means to protect themselves against job hazards.” Id. at 445 (emphasis in original). The Board made no reference to the Lloyd A. Fry decision in its Meyers opinion; moreover, it made no effort to consider whether the case of an employee who is discharged for conduct required by laws designed for the benefit of all employees may be distinguishable from the judicial decisions that have rejected the theory of implied concerted activity in other contexts.
. 361 F.2d 310 (9th Cir.1966) (per curiam). The Ninth Circuit's statement granting enforcement gives no indication that the test there stated is necessarily intended to be exclusive. Ontario Knife Co. v. NLRB, 637 F.2d 840, 845 (2d Cir.1980), which the Board cites as authority for its new test in addition to Pacific Electricord, see Meyers at 12 n. 22, 115 L.R.R.M. at 1029 n. 22, articulates no such standard, but rather holds that, to be protected under § 7, "the activity must be ‘concerted’ or, if undertaken by an individual ..., must be looking towards group action.” 637 F.2d at 845.
. See Royal Dev. Co. v. NLRB, 703 F.2d 363, 372-74 (9th Cir.1983), disapproved in City Disposal, 104 S.Ct. at 1508 n. 4.
. In ARO, Inc. v. NLRB, 596 F.2d 713, 718 (6th Cir. 1979), the Sixth Circuit formulated a standard for concerted activity that resembled — although it was broader than — the Pacific Electri-cord test adopted by the Board in Meyers:
For an individual claim or complaint to amount to concerted action under the Act it must not have been made solely on behalf of an individual employee, but it must be made on behalf of other employees or at least be made with the object of inducing or preparing for group action and have some arguable basis in the collective bargaining agreement.
596 F.2d at 718. In reversing the Sixth Circuit in City Disposal, the Supreme Court implicitly disapproved this standard as well, at least as applied to the assertion of rights under a collective bargaining agreement. See 104 S.Ct. at 1509-10.
. Indeed, as early as 1953, a review of the Board’s decisions found that the Board had adopted an interpretation of § 7 that in effect granted protection even to individual activity that had a tendency to further the common interests of employees. See Note, The Requirement of "Concerted" Action Under the NLRA, 53 Colum.L.Rev. 514, 516-20 (1953).
. See, e.g., NLRB v. Charles H. McCauley Assocs., Inc., 657 F.2d 685, 688 (5th Cir. Unit B 1981); Hugh H. Wilson Corp. v. NLRB, 414 F.2d 1345, 1349-50 (3d Cir. 1969), cert. denied, 397 U.S. 935, 90 S.Ct. 943, 25 L.Ed.2d 115 (1970), enforcing 171 N.L.R.B. 1040 (1968); NLRB v. Guernsey-Muskingum Elec. Co-op., Inc., 285 F.2d 8, 12 (6th Cir. 1960), enforcing 124 N.L.R.B. 618 (1959); Carbet Corp., 191 N.L.R.B. 892 (1971).
. See note 48 supra.
. See, e.g., Root-Carlin, Inc., 92 N.L.R.B. 1313, 1314 (1951); Central Steel Tube Co., 48 N.L.R.B. 604, 612-13, enforced, 139 F.2d 489 (8th Cir. 1943). In Root-Carlin, an employee was discharged for discussing with various other employees the need to form a union at their plant. Holding the employee’s conduct protected, the Board stated, “Manifestly, the guarantees of section 7 of the Act extend to concerted activity which in its inception involves only a speaker and a listener, for such activity is an indispensable preliminary step to employee self-organization.” 92 N.L.R.B. at 1314.
In Meyers, in order to maintain its view that the NLRB traditionally has required “some kind of group action” to find conduct concerted, the Board treated Root-Carlin as resting on the rationale that the conversations involved “interaction among employees." Meyers at 4-5, 115 L.R.R.M. at 1026. Although the Root-Carlin Board mentioned this point, 92 N.L.R.B. at n. 5, it relied primarily on the policy ground that protecting such activity was essential to the development of employee self-organization. Thus, in explaining the principle the following year, *955the Board stated, "Group action is not deemed a prerequisite to concerted activity, for the reason that a single person’s action may be the preliminary step to acting in concert.” Salt River Valley Water Users Ass’n, 99 N.L.R.B. 849, 853 (1952) (footnote omitted), enforced in relevant part, 206 F.2d 325, 328 (9th Cir.1953). The Board continued to follow this view in later cases. See, e.g., Mason & Hanger-Silas Mason Co., 179 N.L.R.B. 434, 439-40 (1969), enforcement denied on other grounds, 449 F.2d 425 (8th Cir.1971).
The Board's opinion in Meyers also relied on Continental Mfg. Corp., 155 N.L.R.B. 255 (1965), in which the Board found no concerted activity where an employee presented to management a complaint that she claimed was shared by a majority of employees although they were too frightened to speak up themselves. As our discussion has shown, we find that Continental did not represent the dominant trend of the Board’s pre-Alleluia decisions. See also Gorman & Fin-kin, supra note 27, at 297-98 & n. 37 (characterizing Continental as questionable and inconsistent with Board’s other decisions). Indeed, less than two months after Continental, the Board, in a decision anticipating Alleluia, held that an employee who, without authorization from other employees, filed a complaint with the Department of Labor seeking an investigation of whether her employer was in violation of the Equal Pay Act was engaged in protected concerted activity under § 7. Montgomery Ward & Co., 156 N.L.R.B. 7, 10-11 (1965).
. 330 F.2d 683 (3d Cir. 1964).
. Id. at 685.
. 104 S.Ct. at 1511; see, e.g., Owens-Corning Fiberglas Corp. v. NLRB, 407 F.2d 1357, 1365 (4th Cir. 1969) ("The activity of a single employee in enlisting the support of his fellow employees for their mutual aid and protection is as much- ‘concerted activity’ as is ordinary group activity. The one seldom exists without the other.’’).
. Several considerations suggest that such conduct is not protected under Meyers. First, granting protection to the lone employee who seeks to induce group action is not easy to fit within the language of Meyers, and the Board’s subsequent cases show that the definition generally will be construed strictly. More importantly, the Meyers Board had available to it several decades of judicial and administrative decisions construing § 7. Despite its claim to be returning to an interpretation generally accepted before Alleluia, however, it did not adopt the Mushroom Transportation standard, which is accepted, at least as a nonexclusive standard, by most courts of appeals. Nor did it adopt the language of the ARO case, see note 75 supra, which incorporated both the Mushroom Transportation and Pacific Electricord standards. Instead, the Board chose to adopt the language of Pacific Electricord alone. One might assume, therefore, that the Board’s choice not to endorse the language of Mushroom Transportation was deliberate.
Several decisions since Meyers contain somewhat conflicting indications on whether the Board will hold efforts to induce group action to be concerted under Meyers. In United Hydraulic Servs., Inc., 271 N.L.R.B. No. 18, 116 L.R.R.M. 1450 (June 29, 1984), the majority declined to decide the question whether an employee’s distribution of a complaint to his coworkers constituted concerted activity, holding the employee’s discharge unlawful on other grounds. Member Dennis would have held the conduct protected, relying not on the Meyers standard itself but on Meyers'citation to Ontario Knife Co. v. NLRB, 637 F.2d 840, 845 (2d Cir. 1980). See note 73 supra. In two recent cases, divided panels of the Board relied on Mushroom Transportation to hold efforts to promote group action concerted. See Walter Bruckner & Co., 273 N.L.R.B. No. 162, 118 L.R.R.M. 1127 (Dec. 14, 1984); Vought Corp., 273 N.L.R.B. No. 161 (Dec. 14, 1984). In both cases, however, the majority consisted of Member Dennis (who wrote separately in United Hydraulic) and Member Zimmerman (who is no longer with the Board); Chairman Dotson dissented or declined to reach the issue.
. See, e.g., NLRB v. Datapoint Corp., 642 F.2d 123 (5th Cir. Unit A 1981); Pelton Casteel, Inc. v. NLRB, 627 F.2d 23 (7th Cir.1980); NLRB v. Northern Metal Co., 440 F.2d 881 (3d Cir.1971); Indiana Gear Works v. NLRB, 371 F.2d 273 (7th Cir. 1967). A number of courts relied on Mushroom Transportation to reject the Interboro doc*956trine. See, e.g., NLRB v. Buddies Supermarkets, Inc., 481 F.2d 714, 719 (5th Cir.1973); Northern Metal, supra. These decisions were overruled by City Disposal. Thus, it is clear that while Mushroom Transportation generally establishes a minimum definition of concerted activity applied in the courts of appeals, it is not exhaustive.
. See, e.g., Randolph Div., Ethan Allen, Inc., 513 F.2d 706, 708 (1st Cir.1975); Hugh H. Wilson Corp. v. NLRB, 414 F.2d 1345, 1355 (3d Cir.1969); Signal Oil & Gas Co. v. NLRB, 390 F.2d 338, 342-43 (9th Cir.1968).
. See, e.g., NLRB v. Charles H. McCauley As-socs., Inc., 657 F.2d 685, 688 (5th Cir. Unit B. 1981); NLRB v. Sencore, Inc., 558 F.2d 433, 434 (8th Cir. 1977); Randolph Div., Ethan Allen, Inc., 513 F.2d 706, 708 (1st Cir.1975); NLRB v.C & I Air Conditioning, Inc., 486 F.2d 977, 978 (9th Cir.1973); Illinois Ruan Transp. Corp. v. NLRB, 404 F.2d 274, 288-90 (8th Cir.1968) (Lay, J., dissenting); see abo Keokuk Gas Serv. Co. v. NLRB, 580 F.2d 328, 333-34 (8th Cir.1978).
. NLRB v. Lloyd A. Fry Roofing Co., 651 F.2d 442 (6th Cir.1981).
. City Disposal, 104 S.Ct. at 1510 (quoting Eastex, Inc. v. NLRB, 437 U.S. 556, 568, 98 S.Ct. 2505, 2513, 57 L.Ed.2d 428 (1978)).
. Massachusetts Trustees v. United States, 377 U.S. 235, 248, 84 S.Ct. 1236, 1245, 12 L.Ed.2d 268 (1964).
. See note 18 supra.
. FCC v. RCA Communications, Inc., 346 U.S. 86, 94, 73 S.Ct. 998, 1004, 97 L.Ed. 1470 (1953).
. In view of our disposition of this case, we have no occasion to consider whether the Board’s application of its new standard in this case was supported by substantial evidence.
The petitioner also argues that the Board was required to determine whether § 502 of the Labor Management Relations Act, 29 U.S.C. § 143 (1982), supports his argument that his conduct is protected under § 7. The Board declined to reach this issue on the ground that it was neither raised nor litigated by the General Counsel at the hearing. Meyers at 1 n. 1, 115 L.R.R.M. at 1025 n. 1. We find no basis on which to disturb this ruling by the Board.