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g 1 <br /> f. <br /> t <br /> 4 <br /> ' 1.0 INTRODUCTION <br /> { <br /> l � � <br /> 4 <br /> 11 Purpose <br /> { <br /> .i <br /> This site health and safety plan establishes policies and procedures to protect site personnel from the <br /> 'P <br /> I potential hazards posed by the underground storage tank(UST) site Ievaluation at the property located at <br /> 4950 Boham Street Linden, California. The site health and safety plan provides measures to minimize <br /> Potential exposure,accidents= and physical injuries that may occur during daily activities on site and during <br /> adverse conditions. It also provides contingencies for emergency situations. <br /> .1; <br /> This plan must be observed by all Tetra Tech EM Inca(TtEMI)employees and TtEMI subcontractors <br /> �.. participating in the site investigation. Employers involved in hazardous waste activities are required to <br /> comply with Title 29 of the Code of Federal Regulations(CFR),Part 1910 Section 120(29 CFR 1910.120), <br /> Hazardous Waste Operations and Emergency Response. All observers present during these activities must <br /> if <br /> also comply with all safety requirements of the plan. To help ensure safety compliance,all TtEMI field <br /> participants and observers must read this plan and sign a consent agreement(Appendix A) stating that they <br /> agree to comply with all site health and safety plan conditions. Appendix B includes Material Safety Data <br /> Sheets(MSDSs)for chemicals potentially present at the site. <br /> 1.2 Site Location and Description <br /> y , <br /> TtEMI will conduct a subsurface underground storage tank(UST)site evaluation at 4950 Bonham Street, <br /> Linden California(Figure 1). The subsurface UST evaluation will assess the nature and extent of petroleum <br /> hydrocarbon impacts to the soil associated with a former 3,500-gallon underground storage tank(UST)and <br /> l ;h <br /> a former 4,000-gallon UST at the site. An unauthorized release of p troleu n hydrocarbons was identified <br /> during the removal of one 3,500-gallon UST(tank identification nuM'ber 39-2528-02)and a 4000-gallon <br /> i UST(tank identification number 39-2528-01)at the referenced site(Figure 2). Soil samples obtained from <br /> the tank pit indicated total petroleum hydrocarbon contamination ranging from 1,000 milligrams per <br /> kilogram(mg/kg)to 1,500 mg/kg. The soil sample analysis indicated that the hydrocarbon contamination <br /> was weathered diesel fuel. No gasoline or gasoline constituents were detected. <br /> Il <br /> ij <br /> 1' <br /> 111 <br />