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Additional Site A'sessmen# Re ort , WELDON CHURCH,PROPERTY . 104 WestBeverlyPlace; Tracy, California ,, , . . : M ' 1.0. INTRODUCTION ' At the request of Mr. Weldon Church;.Advanced GeoEnvironmental, Inc: (AGE)bas prepared-the T enclosed Additional Site Asse'ssment'Report for the property located at 104 West,Beverly Place, Tracy,'California(the site). The scope of work included advancement of nine soil.probe borings for collectiori and analysis of soil and .`grab' ground water samples, and preparation of this report.'The ' location of the site is illustrated on Figure 1 and-a plan of the site is illustrated on Figure 2. This report has been,prepared in accordance with guidelines:established by the Central 'Valley ' RFgional .Water Quality Control Board (CVRWQCB) for the subsurface. investigation of _,underground storage tankz(UST) sites. Site,background'information is provided in Appendix A. 2.0 PROCEDURES , ' Field'.work was•conducted in accordance withuidelines established by the.CVRW CB for the. investigation of UST sites. Soil boring,installation, and sampling, procedures for the site were lie outlined., in the'AGE-prepared Revised Work Plan for Soil and Ground Water Investigation - Addendum, dated b4 January 2000.and approved-by.the San Joaquin County Environmental Health Department (EHD) by letter dated 23 Apri12001. 2.1: ADVANCEMENT OF SOIL,PROBE BORINGS On 09 and 10.June and 26 August 2003, nine soil probe borings (B 16 through B24)were advanced on= and off-site utilizing avan-mounted Geoprobe.5400 direct-push probing unit equipped with 1:25-inch•diaineter probing rods; sthe probing unit advances soil probe,borings using:a:hydraulic . . hammer.to, drive'soil and groundwater sampling tools to specified depths.'Soil'boring B17 was • ' `advanced to a depth of"25..feet bsg, and B21 was advanced to a depth of 10 feet bsg;"the remaining ,. ' '. borings were advanced to.20 feet bsg. Soil boring locations are depicted on Figure 2: ' 2'.-2' SOIL SAMPLE COLLECTION Soil�sam les were collected continuo p ously from boring'B16 at 4-foot intervals, beginning at surface grade; the coritiiiuous soil samples were retrieved-using a.Geoprobe four-foot macro core barrel loaded with one four-foot lacetate sleeve.'.Soit samples.'were preserved.•by,covering both ends of a , ' separated "6Anch portion of thee-aceiate sleeve with Teflon sheets,;capping, and'sealing:with tape. Then each sample sleeve was labeled with soil probe boring location;depth,time,date and sarnpler's ' initials and was.�stored in a'chilled container;under rce:' Advanced GeoEnviranrn ntal,Inc: