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AdvancedGeo Lnviron mental oag 01 August 2018 AGE Project No. 12-2169 Page 2 of 3 National Institute for Occupational Safety and Health, Occupational Safety and Health Administration, U.S. Coast Guard and U.S. Environmental Protection Agency, October 1985. Obtain the applicable site assessment drilling permits will be obtained from the San Joaquin County Environmental Health Department (SJCEHD). Notify the RWQCB and SJCEHD a minimum of 72 hours prior to commencement of any work, following the date of issue for drilling and/or well permits. All drilling locations will be marked at least 48 hours in advance for an Underground Service Alert (USA) check of underground utilities or pipes. 3.2. SOIL SAMPLING AND ANALYSIS AGE proposes to advance one (1) on-site soil boring to a depth of 10-feet bsg. Soil boring (B-1) will be located in an area approximately 10-15 feet west of monitoring well VW-2D, and in an area approximately 10-15 feet east of monitoring well MW-10. The proposed soil boring location is illustrated in Figure 2. Drill boring B-1 using a 4-inch diameter stainless steel hand auger. Collect samples at 5 and 10 feet below surface grade. The soil samples will be collected with a 6-inch brass or stainless-steel sleeve. The exposed ends of each sleeve will be covered with Teflon sheets, capped and sealed with tape. Following sample collection, each preserved sample sleeve will be labeled with the boring location, depth, time, date, and sampler's initials. Appropriately sealed and labeled samples will be placed in a chilled container and transported under chain-of- custody to a State of California ELAP-certified laboratory. Log the soil types visually in accordance with the Unified Soil Classification System (USCS). Additionally, screen the soil samples for organic vapor using an organic vapor meter equipped with a photo-ionization detector (PID). Log the soil types and organic vapor readings on the field boring logs. Analyze the soil samples for the following: Total petroleum hydrocarbons quantified as gasoline (TPH-g) by EPA Method 8015B. Volatile organic compounds (VOCs) including benzene, toluene, ethylbenzene, and total xylenes (BTEX), and fuel additives methyl tertiary- butyl ether (MTBE), tertiary-butyl alcohol (TBA), di-isopropyl ether (DIPE), ethyl tertiary-butyl ether (ETBE), tertiary-amyl methyl ether (TAME), 1,2- dibromoethane (EDB), 1,2-dichloroethane (1,2-DCA) and Naphthalene in accordance with EPA Method 8260B.