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California Regional Water Quality Control Board <br /> Central Valley Region <br /> Steven T.Butler,Chair <br /> Winston H.Hickox Gray Davis <br /> Secretaryfor Sacramento Main Office Governor <br /> Environmental Internet Address: http://www.swrcb.ca.gov/--rwgcb5 <br /> Protection 3443 Routier Road,Suite A,Sacramento,California 95827-3003 <br /> US �� <br /> Phone(916)255-3000•FAX(916)255-3015 <br /> 13 November 2000 <br /> Ms. Kama Harrigfeld <br /> Herum, Crabtree, &Brown <br /> 2291 West March Lane, Suite B <br /> Stockton, CA 95207 <br /> REVIEW OF WORK PLAN ADDENDUM, FORMER CONNELL MOTOR TRUCK <br /> COMPANY, STOCKTON, SAN JOAQUIN COUNTY <br /> We have reviewed the 30 October 2000 Work Plan Addendum submitted by Advanced <br /> GeoEnvironmental, Inc. (AGE) on behalf of Mr. Sheldon Heckman for the former Connell Motor Truck <br /> Sales at 2211 North Wilson Way in Stockton (Site). Previous assessments found contamination <br /> primarily adjacent to the truck lift building. Contaminants of concern are total petroleum hydrocarbons <br /> as diesel, gasoline, motor oil, and Stoddard solvent (TPHd, TPHg, TPHmo, and TPHss, respectively), <br /> benzene, toluene, ethylbenzene, and xylenes (collectively BTEX), and volatile organic compounds <br /> (VOCs). The source of solvent contamination is currently unknown. The objective of the work plan and <br /> addendum are to further assess the extent of contamination present at the former truck lift building. The <br /> work plan addendum proposes to advance an additional cone penetrometer testing (CPT) soil boring at <br /> the site. <br /> On 27 October 2000, staff met with the Site owner, his consultants (Ms. Kama Harrigfeld of Herum <br /> Crabtree, and Brown; Mr. William Little, Mr. Nuel Henderson, and Mr. Robert Marty of AGE; and Mr. <br /> Iry Riffenberg of Foothill Engineering) and San Joaquin County staff(Mr. Michael Infuma and Ms. Dot <br /> Lofstrom)to discuss the proposed work plan, including regulatory lead, boundaries of the Site, proposed <br /> sampling locations, well screen lengths, and VOC soil analyses. AGE explained that the Site extends <br /> from slightly north of the Shane and Dave Truck Repair building to slightly south of the BTI building, <br /> and included parcel numbers APN Nos. 117-070-50, 117-360-29, and 117-150-31. AGE also explained <br /> that AGE had collected groundwater sample (P 19) during the preliminary assessment to determine if an <br /> UST on the adjacent property had impacted groundwater at the site. <br /> The preliminary site assessment found contamination at the former truck lift building and the Shane and <br /> Dave Truck Repair(S&D)building. Until the 27 October meeting, it was unclear whether the S&D <br /> building was included in the Site, and whether the S&D building will be investigated as part of the UST <br /> investigation. In a 1 November 2000 phone conversation with Mr. William Little of AGE,we discussed <br /> the results and data missing from the Preliminary Site Assessment Report(Report) on the S&D building, <br /> which he later provided. Based on these data, significant petroleum hydrocarbon and solvent <br /> contamination is present in soil adjacent to the S&D building at approximately five feet below ground <br /> California Environmental Protection Agency <br /> eo Recycled Paper <br />