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Health and Safety Plan, Subsurface Investigation <br />Potential New Court Site, Stockton, California <br />initiated until this review is completed and any identified deficiencies corrected to the satisfaction of the <br />SH&EP. <br />The SH&EP may issue an exemption to this requirement based on the nature of the work activities to be <br />undertaken. <br /> <br />5.2 Identification of Hazards <br />Performance of the above work activities presents the following hazards to personnel: <br />Chemical Exposure: The soil and groundwater contains no known concentrations of petroleum <br />hydrocarbons (i.e., diesel fuel, volatile hydrocarbons). However; protection will be provided <br />through the use of PPE and employment of direct-reading monitoring procedures. <br />Field Equipment Operations: Direct push and HSA drilling introduces significant hazards <br />associated with drill rig equipment. Operation of this equipment must meet the requirements <br />specified in SH&E 403, Drilling. <br />Materials Handling: The handling of materials related to this site may introduce harm to <br />individuals. Protection will be provided through the use of PPE and manual lifting guidelines. <br /> <br />5.3 Environmental Contaminant Hazards <br />Although there are no known environmental issues associated with the site, the information <br />presented below is intended to inform site personnel about the expected hazards associated with <br />petroleum hydrocarbons. Hazards associated with the use of commercially available hazardous <br />materials are addressed as part of worker hazard communication requirements (see Section 4.2). <br />5.3.1 Petroleum Hydrocarbon Compounds (TPH) <br />Petroleum hydrocarbon fuels (i.e., gasoline and diesel fuel) are produced by refining various crude oil <br />fractions. Because refining is primarily a distillation process, all petroleum fuels contain a mixture of <br />hydrocarbon compounds (primarily in the aliphatic and aromatic families), additives, and agents <br />introduced in final blending to improve performance, clean and lubricate engine components, and reduce <br />emissions. <br />Project 104290.19.01 15 January 2009