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WASTE DISCHARGE REQUIREMENTS -7- FORWARD INC.,FORWARD LANDFILL SAN JOAQUIN COUNTY collection pipe. The two collection pipes drain to a lined sump which discharges via pipeline to the surface impoundment. CERTIFICATION 35. A certified engineering geologist certified in the October 1987 Report of Waste Discharge that WMUs C,D 87 and E meet the siting and construction requirements in Chapter 15. Design and construction certifications are provided for each additional unit or module as it is constructed. CEQA CONSIDERATIONS 36. The San Joaquin County Community Development Department adopted a final environmental impact report(EIR) on the project in accordance with the California Environmental Quality Act, (Public Resources Code Section 21000, et seq.), and the State Guidelines. The project may have the following significant impacts on water quality: a. Surface water contamination from inadequate surface water drainage controls and stormwater detention, b Ground water contamination from existing unlined landfill units. 37. The Board has reviewed the EIR and these WDRs will mitigate or avoid the significant impacts on water quality as follows: a. Landfill slopes, ridge tops and peripheral areas shall be revegetated upon landfill cell completion to inhibit erosion and intermittently hydroseeded during filling if erosion problems occur. b. Because WMU B is unlined and is a possible source of ground water contaminants,prohibit discharge of additional waste to WMU B until an engineered cover or liner system over the top of waste in WMU B is in place. OTHER CONSIDERATIONS 38. On 9 October 1991, the United States Environmental Protection Agency (USEPA)promulgated regulations (Title 40, Code of Federal Regulations,Parts 257 and 258, "federal MSW regulations" or "Subtitle D") that apply,in California, to dischargers who own or operate Class II or Class ffi landfill units at which municipal solid waste (MSWLF) is discharged. The majority of the federal MSW regulations became effective on the "Federal Deadline",which is 9 October 1993. 39. This Order implements (1) the Water Quality Control Plan for the Sacramento River, Sacramento-San Joaquin Delta, and San Joaquin River Basins (5A, 5B, 5C), Second Edition; (2) the prescriptive standards and performance goals of Chapter 15, Division 3,Title 23 of the California Code of Regulations, effective 27 November 1984, and subsequent revisions; (3) the prescriptive standards and performance criteria of Part 258, Title 40 of the Code of Federal Regulations (Subtitle D of the Resource Conservation and Recovery Act); and (4) State Water Resources Control Board Resolution No. 93-62,Policy for Regulation of Discharges of Municipal Solid Waste, adopted 17 June 1993.