THIS ORDER FOR COMPLIANCE IS ISSUED TO A. E. STALEY MANUFACTURING COMPANY FOR VIOLATING THE GENERAL PRETREATMENT REGULATIONS. PROCESS WASTEWATER FROM THE FACILITY, TREATED AND UNTREATED, IS DISCHARGED TO A POTW OPERATED BY THE CITY OF MONTE VISTA. NUMEROUS MICROBIAL ANALYSES FROM 1997 AND INTO 2000 FOUND THAT RESPONDENT'S DISCHARGE CONTAINED NON-SETTLING BACTERIA WHICH PASSED THROUGH THE POTW, CONTRIBUTING TO TOTAL SUSPENDED SOLIDS (TSS) IN THE POTW'S EFFLUENT. THE BOD CONCENTRATION OF THE RESPONDENT'S DISCHARGE VARIES BY AS MUCH AS 88%, CAUSING INTERFERENCE WITH PLANT OPERATION. RESPONDENT MUST CEASE AND DESIST ALL DISCHARGES TO THE MONTE VISTA POTW THAT MAY CAUSE OR CONTRIBUTE TO PASS THROUGH OR INTERFERENCE WITH THE POTW'S OPERATION.