BY LETTERS DATED 2/8/96 (STUDY 16) AND 3/10/97 (STUDY 17), EPA TRANSMITTED A SECTION 308 REQUEST, ALONG WITH FORMS AND INSTRUCTIONS, TO THE RESPONDENT. RESPONDENT WAS DIRECTED TO REPORT THE RESULTS FROM THE DMR-QA TESTS TO AN SPECIFIED EPA CONTRACTOR NO LATER THAN 10/7/96 AND 10/27/96., RESPONDENT FAILED TO SUBMIT THE RESULTS OF STUDY 16 AND STUDY 17 TO THE EPA CONTRACTOR BY THE DUE DATES; IN VIOLATION OF SECTION 308 OF THE CWA.