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Consolidated Forwarc. c. Landfill <br />Methylene Chlori& — 1.0 <br />PAHs (carcinogenic) — 7-5 x 101 <br />PCBs — 1.0 x 101 <br />PCDDlFs — 3.0 x 10-5 <br />Cresol — 4.0 x 103 <br />Metals <br />Arsenic — 5.0.x 101 <br />Beryllium— 7.r, <br />Cadmium — 1.0 x 101 <br />Chromium III — �,.0 x 102 <br />Copper - 2.2 x 102 <br />Lead - 5.0 x 101 <br />Mercury — 2.0 <br />Nickel — 2.0 x IO2 <br />Zinc — 9.2 x I01 <br />Page 12 <br />To mange both on -and Off-site impacts due to the on-site aeration or treatment of <br />contaminated soils, the concentration of chlorinated hydrocarbons in the soil rill be restricted <br />to lower levels than tho_: Fumed in the health risk assessment contained in the Forward <br />Final EIR (1993). <br />41 Austin 1994 (L2.b) (updated), Austin 2000 (LZb) <br />Vie landfill operator shill continue to participate it, the Sart Joaquin County Regional - <br />Household Hazardous T3'astz Program to help reduce the amount of household hazardous <br />waste in the waste stream <br />42 Forward 1993 (AS) <br />Fire hydrants and a pressurized water source for fire suppression and dust control shall be <br />installed. <br />43 Forward 1993 (A11) <br />In order to reduce risks to public health due to particles of ash leaving the facility, all trucks <br />containing ash shall be cored and water should be available at the ash pile to assure that <br />all ashes which are dcmrped are damp. Active faces need to have a certain moisture content <br />so as to preclude the generation of dust. It is recognized that a balance must be struck <br />between maintaining suffccient moisture for dust control and applying too much moisture <br />such that the generation of excess leachate occurs. The conditions at acts •e faces of a <br />landfill as well as lire le: generated, shall be monitored and professional judgment <br />utilized at all tines to keep these Avo factors in balance. <br />F. HYDROLOGY AND WATER Q 11.-3LITY <br />44 (F.1) <br />Proposed as Part of the Project: <br />As part of the design plass for the proposed landfill, Forward Landfill completed calculations <br />of the 1000 -year peak disc.c6 -ges. The hydraulic and drainage study was used to design <br />appropriate drainage con=-ols. Drainage controls were designed to prevent contact between <br />surface water and refuse. Si -z run-on and run-off control facilities consist of drains and <br />0 perimeter ditches that channel surface water to lined holding and evaporation ponds on the <br />