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WASTE DISCHARGE REQUIREMENTS -5- <br /> JOHNS-MANVILLE MANUFACTURING COMPANY, INCORPORATED <br /> FORMOSA PLASTICS, USA <br /> SAN JOAQUIN COUNTY <br /> 25. Beneficial uses of surface water are domestic, municipal, agricultural, and industrial <br /> supply; recreation; esthetic enjoyment; fresh water replenishment; and preservation and <br /> enhancement of fish, wildlife and other aquatic resources. <br /> OPERATION AND DESIGN OF FACILITIES <br /> 26. The Discharger ceased A/C pipe production in July, 1987. The Discharger still <br /> produces PVC pipe at the facility, but the process is a completely closed system where <br /> all of the water is recycled and no process wastewater is generated. Currently, -fie <br /> only wastes diseftafged te suffaee ifapou.-A.me.-As afe water from an air compressor after- <br /> cooler and condensation water from the office air conditioning system-. are use in a <br /> MW <br /> 41L.'T to <br /> .......... ................ <br /> ........................ -M <br /> sprinkler system ffiafi�`Deriodically wets down the waste:" <br /> ................ <br /> .... .............. <br /> airborne.reduce the chance of asbestos particles becoming <br /> ..... . .... <br /> undtnesolace:>rrn:::cants:i........................ <br /> ..............................6.d <br /> -W ..M. M.Ov...... <br /> ..... ..... .. ................. <br /> 27. While A/C pipe was being produced, the facility impounded the process wastewater <br /> from the A/C pipe slurrying process, the heat exchanger cooling water, and the boder <br /> plant steam condensate. The impoundment facilities consist of two unlined settling and <br /> evaporation/percolation basins, approximately 1100 feet x 60 feet x 18 feet deep, <br /> constructed of earthen embankments. <br /> 28. A spr-ifiklef systefa pef:iedieall, the waste to feduee the ehanee ef-asbestes <br /> beeefning aif:beff-�e—. <br /> GORREGTIA3 E! <br /> 29. The SWAT Repeft has detetim nd sttr-faee wa*f 3-�� <br /> y wasw-fflanagement afiefis-. Erafemely high levels -1 <br /> .4. -Iv-efe- fettad ift the IYOULVIO. <br /> 30. The Disehftfgef fifty be feEltie efive Aefien Plaft (CAP) ptff9tt_ew. <br /> te Chaptef 15, Aniele 5 fequi-e—e— _AA__- +h_ ___+__ifm6ea pfeb <br /> CEQA CONSIDERATIONS <br /> 31. The action to adopt WDRs for this facility is exempt from the provisions of the Califor- <br /> nia Environmental Quality Act (Public Resources Code Section 21000, et seq.), in <br /> accordance with Title 14, CCR, Section 15301 for existing facilities. <br />