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WASTE DISCHARGE REQUIREMENTS -3- FORWARD INC.,FORWARD LANDFILL SAN JOAQUIN COUNTY WASTES AND THEIR CLASSIFICATION 6. The Discharger proposes to discharge wastes classified under Chapter 15 as designated waste, nonhazardous solid waste and inert waste to the Class II landfill units. The Class III landfill units will only receive wastes classified as nonhazardous solid waste and inert waste. These wastes include, but are not limited to, asbestos, commercial and industrial waste, municipal solid waste, coal and wood ash,contaminated soils, construction and demolition waste, shredder waste and dewatered sewage sludge. 7. The Discharger proposes to discharge wastes containing greater than one percent(>1%) friable asbestos in WMUs D and H. These wastes are classified as `hazardous' under Title 22 of CCR. However,because these wastes do not pose a threat to ground water quality, Section 25143.7 of the Health and Safety Code permits their disposal in any landfill which has waste discharge requirements that specifically permit the discharge,provided that the wastes are handled and disposed of in accordance with applicable statutes and regulations. 8. The Department of Toxic Substances Control (DTSC)has granted shredder waste a variance,for the purposes of disposal, from hazardous waste management requirements pursuant to Section 66310, Title 22 of the CCR. Shredder waste is any non-recyclable waste which results from the shredding of automobile bodies (from which batteries, mufflers, and exhaust pipes have been removed),household appliances, and sheet metal. 9. `Hazardous waste' which has received a variance from DTSC for the purposes of disposal is classified as a `designated waste' pursuant to Section 2522 of Chapter 15. 10. The Discharger proposes to discharge shredder waste to WMUs D and H equipped with composite liners. 11. The Discharger proposes to discharge sewage and water treatment sludges to WMUs D and H equipped with composite liners. 12. The Discharger proposes to discharge soils contaminated with less than hazardous levels of petroleum hydrocarbons to WMU G, a land treatment unit. Contaminated soils are also stored in WMU G prior to treatment. Stored soils are covered with plastic sheeting until they are spread in the treatment area or waste pile. Following treatment, the soils are used as daily or intermediate cover in compliance with Title 14 regulations, or discharged to WMU D. 13. Leachate from the landfill units and liquid wastes described in Discharge Specification B.6 are proposed for discharge to WMU F, a Class II surface impoundment. These wastes are classified as `designated wastes' using the criteria set forth in Chapter 15. The location of WMU F as shown on Attachments B and C is tentative and may be changed. This final location will be specified in WMU F design and construction specifications that will be submitted to the Board for approval.