
    No. 89-1988.
    No. 89-1989.
    No. 89-1990.
    No. 89-2000.
    No. 89-2016.
    Berkshire Gas Co. et al. v. Associated Gas Distributors et al.; Tennessee Small General Service Customer Group et al. v. Associated Gas Distributors et al.; Tennessee Gas Pipeline Co. v. Associated Gas Distributors et al.; National Fuel Gas Supply Corp. v. Associated Gas Distributors et al.; and Federal Energy Regulatory Commission v. Associated Gas Distributors et al.
   C. A. D. C. Cir. Motion of Interstate Natural Gas Association for leave to file a brief as amicus curiae in No. 89-2016 granted. Certiorari denied. Reported below: 282 U. S. App. D. C. 142, 893 F. 2d 349.  