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11 <br />WASTE DISCHARGE REQUIREMENTS <br />FORWARD INCORPORATED <br />WASTE MANAGEMENT FACILITY <br />CLASS II LANDFILLS CLASS III LANDFILLS <br />CLASS II SURFACE IMPOUNDMENT <br />CLASS II LAND TREATMENT UNIT <br />CLOSURE OF CLASS I LANDFILL <br />SAN JOAQUIN COUNTY <br />lb <br />Ste <br />39. The maximum depth of the treatment zone shall not exceed five feet <br />from the initial soil surface. <br />40. Aerated soil from WMU G shall be disposed of as follows: <br />*TPH Concentration Maximum Benzene Disposal <br />mq/kq Concentration, mq/kg Alternatives <br /><100 <0.7 A, B, C, D <br />>100 <0.7 D, E <br />* Total Petroleum Hydrocarbon <br />A = Co -disposal with 'nonhazardous <br />B = Use as daily cover <br />C = Use as intermediate cover <br />D = Use as foundation layer of cap <br />E = Confer with Board regarding <br />continue aeration <br />solid waste' <br />at closure <br />possible disposal options or <br />41. Soil piles stored in WMU G shall at all times be completely covered <br />with a synthetic liner, except during treatment. <br />42. Soils containing contaminants other than petroleum hydrocarbons and <br />BTX (for example, chlorinated hydrocarbons, heavy metals, etc.) shall <br />not be placed in WMU G without prior approval of the Board. <br />43. WMU G shall be graded so that runoff will collect in a sedimentation <br />pond dedicated to that unit. Water leaving that sedimentation pond <br />may be discharged if it does not contain waste. <br />DRYING OPERATION SPECIFICATIONS <br />44. Sludges from water or wastewater treatment plants may be disposed <br />of by spreading on a one foot thick, compacted clay pad that is <br />bermed to prevent runoff. Within 48 hours, this waste shall be <br />disced into the clay pad in such a manner as to allow drying of the <br />waste with no percolation of liquid through the bottom of the clay <br />pad. Once the waste has dried, it and any soil it has contacted <br />shall be moved to WMU D, or WMU H for disposal. The clay pad shall <br />be rebuilt to its original thickness after each drying cycle. The <br />