1. SECTION 309(A) OF THE CLEAN WATER ACT ( CWA ), 33 U.S.C. SECTION 1319(A). 2. E.I. DUPONT NEMOURS STATE HIGHWAY 347 BEAUMONT, JEFFERSON COUNTY, TEXAS 77704 3. RESPONDENT WAS IN VIOLATION OF SECTION 301 OF THE CWA BY 1) DISCHARGING POLLUTANTS FROM THE FACILITY THAT EXCEEDED PERMITTED EFFLUENT LIMITATIONS, 2) FAILING TO OPERATE AND MAINTAIN THE FACILITY PROPERLY BY ALLOWING THE SAWTOOTH WEIRS IN THE CLARIFIERTO HAVE AREAS PARTIALLY BLOCKED WITH SOLIDS, 3) USING THE METHODOLOGY OF THE 17TH EDITION OF STANDARD METHODS FOR THE EXAMINATION OF WATER AND WASTEWATER RATHER THAN THE 18TH EDITION, AND 4) THE PER- MITTEE'S MONITORING RECORDS DID NOT INDICATE THE TIME OF ANALYSES. 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 THE RECURRENCE OF THE VIOLATIONS CITED, B) WITHIN 30 DAYS OF THE AO, SUBMIT A WRITTEN REPORT DETAIL- ING THE SPECIFIC ACTIONS TAKEN TO CORRECT THE VIOLATIONS AND EXPLAINING WHY SUCH ACTIONS ARE ANTICIPATED TO BE SUFFICIENT TO PREVENT RECURRENCE OF THE VIOLATIONS, OR C) IF THE PERMITTEE BELIEVES COMPLET