Laserfiche WebLink
WASTE DISCHARGE REQUIREMENTS - _2_ <br /> EXXON COMPANY U.S.A. <br /> FORMER EXXON RETAIL SITE 7-3942 <br /> GROUND WATER TREATMENT SYSTEM DISCHARGE <br /> SAN JOAQUIN COUNTY <br /> Detection Analytical <br /> Constituent Level Units Method <br /> Tetraethyl Lead 1 Ng/l Graphite Furnace <br /> (as total lead) AA <br /> 5. Additional concentration limits regarding the constituents of concern are <br /> as follows: <br /> Constituent Level Units Consideration <br /> Total Petroleum 100 Jig/l Taste and Odor <br /> Hydrocarbons <br /> Total Lead 50 Ng/1 Primary Drinking <br /> Water Standard <br /> (MCL) <br /> 6. The Environmental Protection Agency (EPA) and the Board have classified <br /> this discharge as a minor discharge. <br /> 7. The Board adopted a Water Quality Control Plan, Second Edition, for the <br /> Sacramento-San Joaquin Delta Basin (5B) (hereafter Basin Plan) which <br /> contains water quality objectives for all waters of the Basin. These <br /> requirements implement the Basin Plan. <br /> S. The beneficial uses of the Calaveras River and the Sacramento-San Joaquin <br /> Delta downstream of the discharge are municipal , industrial , and <br /> agricultural supply; water contact and noncontact recreation; esthetic <br /> enjoyment; navigation; fresh water replenishment; and preservation and <br /> enhancement of fish, wildlife and other aquatic resources. <br /> 9. The Board has considered antidegradation pursuant to 40 CFR 131.12 and <br /> State Water Resources Control Board Resolution 68-16 and finds that the <br /> permitted discharge is consistent with those provisions. <br /> 10. Water Quality Objectives adopted pursuant to the Inland Surface Waters <br /> Plan, adopted by the State Water Resources Control Board are-applicable to <br /> the discharge. <br /> 11 . Effluent limitations, and toxic and pretreatment effluent standards <br /> established pursuant to Sections 301, 302, 304, and 307 of the Clean Water <br /> Act (CWA) and amendments .thereto are applicable to the discharge. <br /> 12. The action to adopt an NPDES permit is exempt from the provisions of the <br /> California Environmental Quality Act (CEQA) (Public Resources Code Section <br /> 21000, et seq.) , in accordance with Section 13389 of the California Water <br /> Code. <br />