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Consolidated Forward Inc. Landfill Page 16 Copper - 2.2 x 102 Lead -5.0x101 Mercury - 2.0 Nickel - 2.0 x 102 Zinc -9.2x101 To mange both on -and off-site impacts due to the on-site aeration or treatment of contaminated soils, the concentration of chlorinated hydrocarbons in the soil will be restricted to lower levels than those assumed in the health risk assessment contained in the Forward Final EIR (1993). 41 Austin 1994 (L2.b) (updated), Austin 2000 (L2.b) The landfill operator shall continue to participate in the San Joaquin County Regional Household Hazardous Waste Program to help reduce the amount of household hazardous waste in the waste stream. 42 Forward 1993 (A5) Fire hydrants and a pressurized water source for fire suppression and dust control shall be installed. 43 Forward 1993 (A.11) In order to reduce risks to public health due to particles of ash leaving the facility, all trucks containing ash shall be covered and water should be available at the ash pile to assure that all ashes which are dumped are damp. Active faces need to have a certain moisture content so as to preclude the generation of dust. It is recognized that a balance must be struck between maintaining sufficient moisture for dust control and applying too much moisture such that the generation of excess leachate occurs. The conditions at the active faces of a landfill as well as the leachate generated, shall be monitored and professional judgment utilized at all times to keep these two factors in balance. F. HYDROLOGYAND WATER QUALITY 44 (F.1) Proposed as Part of the Project: As part of the design plans for the proposed landfill, Forward Landfill completed calculations of the 1000 -year peak discharges. The hydraulic and drainage study was used to design appropriate drainage controls. Drainage controls were designed to prevent contact between surface water and refuse. Site run-on and run-off control facilities consist of drains and perimeter ditches that channel surface water to lined holding and evaporation ponds on the site. The surface -water collection drain system will be designed to divert the water to the storm water collection basin in the southwest corner of the current Austin Road Landfill, at times when enough surface water accumulates to have discharged into the collection basin. All waste at the proposed Forward Landfill will be separated from the north and south branches of Littlejohn Creek by a levee system or other acceptable method designed to protect the site from a 100 -year flood event.