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WASTE DISCHARGE REQUIREMENTS -2- <br /> J-M MANUFACTURING COMPANY, INC. <br /> AND J-M A/C PIPE CORPORATION <br /> SAN JOAQUIN COUNTY <br /> surface waters from these ponds. This discharge will be <br /> regulated under separate waste discharge requirements for <br /> land disposal° <br /> d. Discharge 004 consists of an average flow of 27 , 000 <br /> gallons per day (1.2 1/sec) of sanitary wastes which are <br /> discharged to the City of Stockton' s municipal wastewater <br /> treatment plant without pretreatment. <br /> 3. Monitoring data submitted describes combined discharges 001 <br /> and 002 as follows: <br /> Average Total Dissolved Solids 382 mg/l <br /> Average Temperature 67°F (19.7°C) <br /> Average pH 8.0 <br /> 4. The discharge is presently governed by Waste Discharge <br /> Requirements Order No. 74-353, adopted on 16 May 1974 . <br /> 5. Environmental Protection Agency and the Board have classified <br /> this discharge as a major discharge. <br /> 6. Environmental Protection Agency issued final Effluent <br /> Guidelines and standards for the Asbestos Manufacturing Point <br /> Source Category , Asbestos-Cement Pipe Subcategory , on 26 <br /> February 1974 . These regulations establish Final Effluent <br /> Limitations for "Best Available Technology Economically <br /> Achievable ( BAT) " at zero discharge of process wastewater. <br /> Since all process waters , discharge 003 , are contained <br /> on-site and Discharges 001 and 002 are nonprocess waste- <br /> waters, these requirements are consistent with the EPA <br /> Effluent Guidelines Standards. <br /> 7. The Board , on 25 July 1975, adopted a Water Quality Control <br /> Plan for the Sacramento-San Joaquin Delta Basin ( 5B) . These <br /> requirements are consistent with that Plan. <br />