GNB, INC. OWNS & OPERATES SECONDARY LEAD RECOVERY FACILITY LOCATED IN FRISCO, TX. BY NO LATER THAN MARCH 8, 1987, SAID FACILITY WAS REQUIRED TO COMPLY WITH U.S. EPA PRETREATMENT STANDARDS APPLICABLE TO INDUSTRIES WITHIN THE NOFERROUS META L MANUFACTURING POINT SOURCE CATEGORY. JULY 87 THRU DECEMBER 88 GNB INC VIOLATED ON MONTHLY BASIS SECTIONS 301 AND 307 OF THE CWA IN THAT GNB FAILED TO MEET APPLICABLE EPA PRETREATMENT STANDARD FOR A NTIMONY, ARSENIC LEAD AND ZINC. BNB INC. ADDITIONALLY VIOLATED SECT. 301 BY FAILING TO TIMELY SUBMIT TO EPA COMPLIANCE REPORTS REQUIRED BY THE PRETREATMENT REGULATIONS LOCATED AT 40 CFR & 403.12.