1. SECTION 309(A) OF THE CLEAN WATER ACT ( CWA ), 33 U.S.C. SECTION 1319(A). 2. MASON & HANGER CORPORATION - SILAS MASON CO., A WEST VIR- GINIA CORPORATION U.S. DOE - PANTEX PLANT (FACILITY) NE FROM AMARILLO OFF HIGHWAY 60 AMARILLO, CARSON COUNTY, TEXAS 79177 3. RESPONDENT WAS IN VIOLATION OF SECTION 301 BY 1) DISCHAR- ING POLLUTANTS FROM THE FACILITY THAT EXCEEDED PERMITTED EFFLUENT LIMITATIONS, AS SHOWN IN THE CERTIFIED DMRS FILED WITH EPA, 2) FAILING TO SUBMIT RECORDS OF DAILY MAXIMUM FLOW DATA FOR OUTFALLS 002, 003, 004, 006, AND 104, DURING JTHE MONTH OF JUN. 1997, AND 3) FAILING TO COLLECT SAMPLES AND ANALYZE EFFLUENT CHARACTERISTICS FOR OUTFALLS 002, 003, AND 006 DURING THE MONTH OF JUL. 1997. 4. RELIEF SOUGHT PURSUANT TO SECTION 309(A) OF THE CWA, EPA ISSUED AN ADMINISTRATIVE ORDER (AO) ORDERING THE RESPOND- ENT TO: A) WITHIN 30 DAYS OF THE EFFECTIVE DATE OF THE AO TAKE WHATEVER CORRECTIVE ACTION IS NECESSARY TO ELIMINATE AND PREVENT RECURRENCE OF THE VIOLATIONS CITED IN THE SHORTEST TIME POSSIBLE, AND B) WITHIN 30 DAYS OF THE AO, SUBMIT A WRITTEN REPORT DETAILING THE SPECIFIC ACTIONS TAKEN TO CORRECT THE VIOLATIONS CITED AND EXPLAINING WHY SUCH ACTIONS ARE ANTICIPATED TO BE SUFFICIENT TO PREVENT RECURRENCE OF THESE VIOLATIONS.