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07 May 2019 Advanced <br /> AGE Project No. 14-3154 E n v i ro n m e n t a l <br /> Page 2 of 7 <br /> Additional Agency: <br /> Central Valley Regional Water Quality Control Board <br /> 11020 Sun Center Drive, Suite 200, Rancho Cordova, CA 95670 <br /> 3.0. ON-SITE CONTROL <br /> The Site Safety Officer will coordinate site access control and security. An exclusion zone <br /> will be established approximately 10 feet around work areas. No unauthorized person <br /> shall be allowed within this exclusion area. <br /> 4.0. HAZARD EVALUATION <br /> The following substance(s) or hazards are known or suspected to be on site. <br /> SUBSTANCESINVOLVED: CONCENTRATIONS: <br /> TPH-diesel Low concentrations in soil/ high <br /> concentrations in groundwater <br /> SVOCs Low concentrations- below ESLs <br /> PCBs Low concentrations- below ESLs <br /> Metals, glass or other industrial debris Low concentrations- below ESLs <br /> Dioxin and Furan Low concentrations- below ESLs <br /> The primary hazards of each are identified as follows: <br /> • Hydrocarbon fuels - Components of fuels are colorless liquids with strong aromatic <br /> petroleum hydrocarbon-like odors. They are flammable and have low solubility in <br /> water. Exposure to these materials in excess of recommended exposure limits can <br /> cause mild eye, nose, and throat irritation and can produce a narcotic effect on the <br /> central nervous system. Symptoms of exposure at these concentrations include <br /> headache, nausea, drowsiness, dizziness, and loss of coordination. Certain <br /> components of gasoline (BTEX-VOCs etc.) are known or suspected carcinogens. <br /> The additional potential hazards include: Slip-trip-fall hazards, noise, heavy equipment <br /> (i.e., drill rig) vibration hazards traffic hazards, etc. <br />