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• <br /> Advanced <br /> GeoEnvironmental, Inc. <br /> 24 November 1999 ENVIRONMENTAL IiEALTH DIviSION <br /> AGE-NC Project No. 98-0448 304 E. Weber Ave."Third Floor <br /> J P. O. Box 388, Stockton CA 95201-0388 . <br /> Approved <br /> Mr. Harlin Knoll Denied [' ' <br /> San Joaquin County PHS-EHD Conditions�p M,,f Saa,Q •.,rte <br /> 3 1"ww c9�,a,;„e or .Y..e&A, ,-�. 3 ,„ 4 1999 <br /> 04 East Weber.Avenue, Third m�S� ly�I 99 _b--y �� <br /> Stockton, California 95202 ?AL HEALTh <br /> SERVICES <br /> Subject: Stockpiled Soil <br /> SIERRA LUMBER- 375 West Hazelton, Stockton, California <br /> Dear Mr. Knoll: <br /> At the request of Mr. Bob Long of Sierra Lumber, Advanced GeoEnvironmental, Inc. (AGE) is <br /> requesting approval from the San Joaquin County Public Health Services - Environmental Health <br /> Division (PHS-EHD) to spread two soil stockpiles (Stockpile Nos. 1 and 2) presently located in a <br /> southwest section of the Sierra Lumber site; Stockpile No. 1 was generated during drilling activities <br /> at the site in July 1998 while Stockpile No. 2 was generated during drilling activities at the site in <br /> June 1999. <br /> On 10 November 1999,a representative from AGE collected soil samples from the above mentioned <br /> stockpiled soil at the direction of the PHS-EHD. Soil samples were preserved by covering both ends <br /> of a brass sleeve with Teflon sheets, capping and sealing with tape. Each preserved sample sleeve <br /> was labeled with location, time, date and sampler's initials. Each preserved sample was logged on <br /> a chain-of-custody form, placed in a chilled container and transported to a California Department <br /> of Health Services (DHS)-certified laboratory for analysis of: <br /> • Total petroleum hydrocarbons quantified as gasoline (TPH-g) by EPA Method 8015M; and <br /> • Volatile aromatic compounds (benzene, toluene, ethyl benzene and xylene: BTEX) with <br /> methyl-tertiary butyl ether(MTBE) by EPA Method 8020. <br /> The laboratory reports of the soil analyses are attached. Xylenes were detected from Stockpile No. <br /> 1 at a concentration of 0.015 milligrams per kilogram (mg/kg). No benzene, toluene, ethylbenzene <br /> or TPH-g were reported from the analyses. <br /> AGE proposes to spread the stockpiled soil at its present location at a thickness of approximately <br /> 6-inches. <br /> 4005 North Wilson Way,Stockton,California 95205 <br /> Telephone(209)467-1006 FAX(209)467-1118 <br />