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WASTE DISCHARGE REQUIREMENTS -2- FORWARD INCORPORATED WASTE MANAGEMENT FACILITY CLASS II LANDFILLS CLASS III LANDFILLS CLASS II SURFACE IMPOUNDMENT CLASS II LAND TREATMENT UNIT SAN JOAQUIN COUNTY U "E" - This Class II Landfill is being constructed to meet Subchapter 15 requirements, and is dedicated for the disposal of coal and wood ash. U "F" - A proposed Class II surface impoundment which will hold leachate and other 'designated wastes' compatible with the liner. WM "G" - A proposed Class II land treatment unit. Soils contaminated with less than hazardous levels of petroleum hydrocarbons will be stored and aerated at this WMU. U °°H" - A proposed Class III landfill which will hold 'nonhazardous solid waste' . WASTES AND THEIR CLASSIFICATION , 4. The Discharger proposes to continue to discharge 'nonhazardous solid waste' in WMU "D", a Class III landfill unit, as shown on Attachment "B". 5. The Discharger proposes to discharge wastes containing greater than one percent (>1%) friable asbestos in WMUs "0" and "H". These wastes are classified as ' hazardous' under Title 22 of CAC. 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 federal statutes and regulations. 6. The Discharger proposes to discharge coal and wood ash to WMU "E", a Class II landfill unit. Data submitted by the Discharger indicate that coal ash, if commingled with wastes that produce acidic leachate, could release pollutants in concentrations which could cause degradation of waters of the state. However, the Discharger' s data also show that in the absence of acidic conditions, coal ash does not pose such a water quality threat. In addition, the data show that coal ash itself is not capable of generating acidic leachate. 7. The State Department of Health Services (DHS) has granted shredder waste a variance, for the purposes of disposal , from hazardous waste management requirements pursuant to Section 66310 of Title 22 of the CAC. Shredder waste is any waste which results from the shredding of automobile bodies, (from which batteries, mufflers, and exhaust pipes have been removed), household appliances, and sheet metal. i;