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Soil Sampling Work Plan <br /> Stockton,CA-SJRRC Property Exchange <br /> 1800 North Marshall Avenue,Stockton,California <br /> Antes Group Project No. UPR8281A <br /> 2.0 PROPOSED SCOPE OF WORK <br /> Antea Group proposes to advance 20 soil borings to a depth of 5 feet bgs for the collection of soil samples. The <br /> locations for the hand auger borings are shown on Figure 2. <br /> In the northern portion of the property, borings HA-3 and HA-5 are situated to evaluate conditions near the former <br /> teepee incinerator. <br /> Borings in the southern portion of the property (HA-17 through HA-20) are tightly clustered due to previous <br /> focused investigation in this area, including numerous groundwater samples exceeding RBRGs, and an lack of <br /> available soil data (AMSC 2009). <br /> Remaining borings are situated to provide comprehensive data on the remainder of the site. <br /> 2.1 Pre Field Activities <br /> Prior to initiating field activities, Antea Group will prepare a Health and Safety Plan (HASP) in accordance with <br /> Title 8, Section 5192 of the California Code of Regulations. The HASP will contain a list of emergency contacts, as <br /> well as a map showing the route to the nearest emergency facility, and will be reviewed daily by field personnel. <br /> Antea Group will open an Underground Service Alert ticket and contact railroad specific utility locator services at <br /> least 48 hours prior to ground disturbance in order to locate all utilities beneath the work locations. Antea Group <br /> will obtain permits for soil borings,and will make all required notifications prior to commencing field work. <br /> 2.2 Soil Borings <br /> Soil borings will be advanced using a hand auger, decontaminated between each boring by using a non-phosphate <br /> detergent and water wash, water rinse, initial deionized/distilled water rinse and final deionized/distilled water <br /> rinse. <br /> Upon completion of each hand auger location,the holes will be backfilled with soil cuttings and tamped to be even <br /> with the ground surface. <br /> 2.3 Soil Sampling <br /> Surface soil samples from 0-0.5 feet bgs will be collected since railroad workers will have greatest exposure to <br /> surface soils, and surface soils are expected to contain the greatest concentrations of COCs. Soil samples from <br /> 4.5-5 feet bgs will also be analyzed in order to determine railroad worker exposure during trenching or digging <br /> onsite. Soil will be classified using the Unified Soil Classification System and logged onto soil boring logs. Soil <br /> samples will be pre-screened in the field using a Photoionization detector (PID), and these readings will be <br /> 3 www.anteagroup.com <br />