SUMMARY: THIS CIVIL ACTION IS FOR INJUNCTIVE RELIEF & PENALTIES UNDER SECT 309(B) & (D) OF CWA, 33 USC 1319(B) & (D), FOR VIOLATIONS OF FED PRETRMT STDS TO WHICH THE CORP IS SUBJ AS AN INDUSTRIAL USER OF A POTW. NATIONAL DISCHARGES BETWEEN 30,000 - 51,000 GPD OF IN- DUSTRIAL WSTWTR FROM ITS ELECTROPLATING & POLISHING FACILITY IN PROVIDENCE, RI, INTO THE NARRAGANSETT BAY COMMISSION (NBC) POTW AT FIELDS POINT. THE NBC HAS BEEN OPERATING UN- DER EPA-APPROVED PRETRMT PGM SINCE SEPT 14, 1984. DESCRIPTION OF VIOLATIONS: 1) NATIONAL IS IN VIOLATION OF THE NATIONAL PROHIBITED DSCHGE STDS, 40 CFR SECT 403.5(B)(2), & SECT 307(D) OF CWA, 33 USC 1317(D), BECAUSE IT DISCHGD WSTWTR W/A PH LOWER THAN 5.0 INTO THE NBC POTW, WHICH IS NOT DESIGNED TO ACCOMODATE SUCH DSCHGS. 2) NATIONAL IS IN VIOLATION OF THE NATIONAL CATEGORICAL STDS, 40 CFR PART 413, & SECT 307(D) OF CWA. SPECIFICALLY, IT HAS VIOLATED THE LIMITS FOR DISCHARGES SET FORTH IN THE COMMON METALS & PRECIOUS METALS SUBCATEGORIES, 40 CFR SECT'S 413.14(C) & 413.24(C). SAMPLING HAS SHOWN THAT NATIONAL IS DISCHARGING ELECTROPLATING PROCESS WSTWTR THAT EXCEEDS THE DAILY MAX LIMITS FOR CN, CU, NI, ZN, & TOTAL METALS IN THESE 2 SUBCATEGORIES. 3)NATIONAL IS IN VIOLATION OF R