
    No. 82-493.
    Bichan v. Chemetron Corp. et al.
   C. A. 7th Cir. Certiorari denied. Justice Blackmun would grant certiorari, vacate the judgment, and remand the case for further consideration in light of Associated General Contractors of California, Inc. v. Carpenters, 459 U. S. 519 (1983).  