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SITE SAFETY PLAN Project No. 9688 <br /> Husky Crane, Inc. July 10, 1999 <br /> II. Health Risk Analysis <br /> A)Job Tasks to be Performed: In 1987 two underground storage tanks last known <br /> to contain either gasoline or diesel fuel were removed by others. Soil samples <br /> gathered in October 15, 1991 indicated the presence of petroleum hydrocarbons <br /> which exceed local regulatory agency guidelines. The soil stockpile generated during <br /> the excavation of the UST's containing 33,000 mg/Kg Oil and Grease was put back <br /> in the excavation. <br /> Although there have been various investigative efforts by others addressing the spread <br /> of contamination, some significant data has not been developed. WIDE intends to <br /> collect the required data to begin a complete soil and groundwater investigation of the <br /> subject site. At this time one soil boring will be drilled and sampled in the <br /> approximate center of the tank removal excavation. The boring will be sampled to <br /> beyond the recent historical maximum depth to groundwater. <br /> All soils removed during the boring installation will be placed in 55 gallon DOT <br /> approved drums pending laboratory analyses. The drill cuttings will be sampled and <br /> tested for both petroleum hydrocarbons and total lead (Pb). Once the laboratory test <br /> results have been received the drummed soil cuttings will be sent to an approved <br /> landfill for disposal. <br /> All down hole equipment will be decontaminated prior to leaving the excavation area. <br /> Water generated during this operation will be contained in 55 gallon drums. This <br /> water will then be sampled and sent for disposal at an approved facility. <br /> B) Summary of Potential Exposure Conditions, Pathways, Chemical Hazards <br /> and Physical Hazards: See Table I (to be filled out by CHSO/HSO) <br /> C) Chemical Hazard Data: See Table II (to be filled out by CHSO/HSO. All <br /> excavation personnel will be required to wear hard hats, safety glasses and safety <br /> boots. Also required will be for the excavation personnel to have C Class Chemical <br /> protection equipment. Levels of contamination will be monitored by the site safety <br /> officer. <br /> D) Physical and Non-Chemical Hazards: See Table III (to be filled out by <br /> CHSO/HSO) <br /> E) Overall rating of Risk Due to Project Hazards: (To be filled out by <br /> CHSO/HSO) <br /> Serious Moderate Low <br /> 4 <br />