709 So. 2d 718 (1998)
Gail M. CLEMENT, et al.
No. 97-C-2884.
Gail M. CLEMENT, et al.
v.
OCCIDENTAL CHEMICAL CORPORATION.
No. 97-C-2884.
Supreme Court of Louisiana.
January 30, 1998.Denied.
JOHNSON, J., not on panel.