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13 January 2015 <br />AGE Project No. 15-3595 <br />Page 3 of 4 <br />Upon completion of the field work and receipt of laboratory analysis, a brief report will <br />be prepared. The report will be reviewed and signed by a California Professional <br />Geologist. <br />PERMITTING AND PRE -FIELD WORK ACTIVITIES <br />Applicable drilling permits will be obtained from the San Joaquin County Environmental <br />Health Department (SJCEHD) and a site-specific Health and Safety Plan will be <br />prepared. Prior to mobilization, each soil boring location will be clearly marked and a <br />utility clearance obtained through Underground Service Alert. The SJCEHD will be <br />contacted a minimum of three days prior to conducting investigation activities to arrange <br />for inspection. <br />FIELD PROCEDURES <br />All field procedures will be overseen by an AGE representative working under the <br />supervision of a California Professional Geologist. Procedures for sample collection and <br />analysis, equipment decontamination and sample handling are presented below. <br />SOIL SAMPLING <br />Soil samples will be collected at discrete five-foot intervals beginning at five feet bsg <br />using a 1.45 inch Geoprobe soil sampling assembly loaded with a two -foot acetate liner; <br />or by hand -packing soil out the of the hand auger bucket into a 3 -inch long steel sample <br />sleeve. Upon sample retrieval, the steel sleeve or a selected portion of the acetate liner <br />will be cut and covered with Teflon sheets, capped and sealed with tape. <br />Appropriately sealed and labeled samples will be placed in a chilled container under ice <br />and transported under chain -of -custody procedure to a CDPH-certified laboratory. <br />Samples will be analyzed for the constituents listed above. Each sample will be labeled <br />with boring designation, depth, time, date and sampler's initials. Soils encountered in <br />the borings will be visually classified by AGE personnel in accordance with the Unified <br />Soil Classification System (USCS). Additionally, soil samples will be field -screened for <br />presence of volatile organic compounds using an organic vapor meter (OVM), equipped <br />with photo -ionization detector (PID) pre -calibrated to isobutylene. <br />EQUIPMENT DECONTAMINATION/WASTE MANAGEMENT <br />Prior to use, all non -disposable sampling tools used for sample collection will be <br />thoroughly rinsed with clean water after being washed with a solution of Alconox. Any <br />Advanced GeoEnvironmental, Inc. <br />