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SITE SAFETY PLAN, JOB #4827.04 <br /> GENERAL INFORMATION <br /> SITE Client/Company. Unocal Corporation <br /> Site Location 437 East Miner Avenue, Stockton, California <br /> PLAN PREPARED BY. GeoStrategies, February 14, 1995 <br /> OBJECTIVES To provide a safety plan for the safe completion of the <br /> site work <br /> EFFECTIVE DATES February 15 through December 31, 1995 <br /> SUMMARY Hazardous material may be present, caution is <br /> advised Site work includes auger drilling of three <br /> soil borings, installation of five groundwater <br /> monitoring wells, surveying of the wellhead <br /> elevations, and development and sampling of the <br /> newly installed wells Some work may be in public <br /> streets. Previous investigations detected Total <br /> Petroleum Hydrocarbons as gasoline (TPHg) up to <br /> 19,000 parts per million (ppm) in soil beneath the site <br /> and up to 51,000 parts per billion (ppb) in <br /> groundwater Benzene was detected in these previous <br /> investigations at concentrations up to 140 ppm in soil <br /> and up to 9,600 ppb in groundwater <br /> SITE/WASTE CHARACTERISTICS <br /> WASTE TYPE(S) Solids (drill cuttings) <br /> Liquids (steam cleaning rinsate) <br /> CHARACTERISTIC(S) Volatile, combustible, toxic <br /> FACILITY Former service station Now an open, vacant lot, <br /> with no paving, buildings, or underground facilities <br /> 4827 04-ssp 02 B-1 <br /> GeoStrategies Inc. <br />