
    (No. 6403
    Phillips Business Systems, Inc., Claimant, vs. State of Illinois, Pollution Control Board, Respondent.
    Opinion filed March 24, 1972.
    Phillips Business Systems, Inc., Claimant, pro se.
    William J. Scott, Attorney General; Saul B. Wexler, Assistant Attorney General, for Respondent.
   Perlin, C.J.  