ADMINISTRATIVE PENALTY PROCEEDING, UNITED FAILED TO PERFORM INITIAL PERFORMANCE TESTING FOR ITS EIGHT HARD CHROME PLATING TANKS BY THE REGULATORY DEADLINE OF JULY 25, 1997. THIS IS A VIOLATION OF 40 C.F.R. 63.7 (A) (2). THE FACILITY'S PLATING TANKS WERE REQUIRED TO BE TESTED WITHIN 180 DAYS OF THE COMPLIANCE DATE--BY JULY 25, 1997. UNITED TESTED THE TANKS ABOUT 9 MONTHS AFTER THE DEADLINE (THE TESTS INDICATED COMPLIANCE WITH THE CHROME EMISSIONS LIMIT). SINCE THE TANKS WERE NOT TESTED BY THE TESTING DEADLINE, UNITED WAS IN VIOLATION OF 63.7 (A) (2).