RESPONDENT WAS CONDUCTING THE SOUR TEST UNTIL AUGUST 1998. RECORDS SHOW THAT THE SOUR TEST CONDUCTED BY THE FACILITY IS INVALID FOR THE FOLLOWING REASONS: (1) TEMPERATURE READINGS WERE NOT TAKEN AT THE BEGINNING OF THE TEST, ONLY AT THE END. IS IS REQUIRED THAT TEMPERATURES BE TAKEN AT THE BEGINNING AND END OF TESTING, WITH THE AVERAGE TEMPERATURE RECORDED; (2) TEMPERATURE CORRECTION CALCULATIONS WERE NOT PERFORMED FOR TESTS WHEN SLUDGE TEMPERATURE WAS NOT AT 20 DEGREES CELCIUS; AND (3) VOLATILE SUSPENDED SOLIDS WAS USED TO CALCULATE THE SOUR TEST INSTEAD OF USING TOTAL SOLIDS. RESPONDNET DID NOT COMPLY WITH RECORDKEEPING REQUIREMENTS. RESPONDENT DID NOT SUBMIT THE 1994, 1995, 1996, AND 1997 SLUDGE ANNUAL REPORT TO EPA.