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WASTE DISCHARGE REQUIREMENTS SOILS RECYCLING FACILITY -6- WESTERN SOILS RECYCLING CALIFORNIA WASTE REMOVAL SYSTEMS CLASS II WASTE PILES SAN JOAQUIN COUNTY Wastes Acceptable for Discharge 7. The discharge of solid waste to the Class II waste pile "A" shall be limited to non-Title 22-hazardous petroleum hydrocarbon contaminated soils from site cleanup operations. The discharge of solid waste to the Class II waste pile "B" shall be limited to non-Title 22- hazardous treated soils from the site's thermal treatment system. 8. Treated soils may be disposed of as ' inert waste' at their site of origin or at other sites if all of the following criteria are mets a. The treated soil is not a hazardous waste as determined by criteria contained in Title 22, CCR, Division 4, Chapter 30, Article 11, including toxicity, ignitability, reactivity and corrosivity. b. Total petroleum hydrocarbons (TPN) as gasoline, TPH as diesel , and aromatic volatile organics (benzene, ethylbenzene, toluene, and xylenes) are not detectable in representative samples of treated soil. C. Extractable inorganic constituent concentrations in the treated soils are less than or equal to background concentrations of the same constituents in native soils at the site of disposal . For purposes of this specification, extractable concentrations shall be measured from representative samples of treated soil and background soils using the procedures specified in Monitoring and Reporting Program No. 92-000. 9. Disposal of treated soils and any discharge of residual wastes from the recycling of treated soils shall be according to the requirements of Chapter 15, in a manner which is consistent with the waste's classification. General WMU Construction 10. Materials used to construct liners shall have appropriate physical and chemical properties to ensure containment of discharged wastes over the operating life, closure, and post-closure maintenance period of the WMUs.