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Geological Audit Service ,,lnc. <br /> v �MW Environmental Professronals <'; r <br /> 1803 March Lane, Suite A• c�tarr, 9$q®7-,%4L4t(209)956-0264•Fax(209)956-0700 <br /> September 22, 1994 <br /> - - SC-94-07-1018-04 <br /> Mr. Bill Snavely <br /> San Joaquin County PHS/EHD <br /> P. O. Box 388 <br /> Stockton, CA 95201 <br /> Subject: Analytical Results of Soil Samples <br /> Stockton Fire Station #12 <br /> 4010 East Main Street, Stockton, California <br /> Dear Mr. Snavely: <br /> At the request of our client, Mr. Brian Goins of Goins Environmental Construction (GEC), <br /> GeoAudit has collected soil samples following the removal of two underground.storage tanks <br /> (UST's) from Stockton Fire Station #12 at 4010 East Main Street in Stockton, California <br /> (the site). Two soil samples were collected from the floor of the excavation and one sample <br /> was collected from the excavated soil. All samples were collected on September 9, 1994. <br /> All soil samples were collected using a metric soil sampler loaded with two clean 2 by 3-inch <br /> brass sleeves. The ends of the lead tube were covered with aluminum sheets, capped and <br /> sealed with tape.The samples were then transported under chain-of-custody to McCampbell <br /> Analytical, Inc. (MAI) in Pacheco, California. <br /> Sample TK-1 was collected from beneath Tank #1 (unknown fuel) at a depth of 10 feet <br /> below surface grade (bsg). Sample TK-2 was collected from beneath Tank #2 (diesel fuel) <br /> at a depth of 11 feet bsg. Sample SP-1 was collected from the excavated soil. <br /> No petroleum hydrocarbons were detected in sample TK-1. However, total petroleum <br /> hydrocarbons (TPH) and volatile aromatics (BTE&X) were detected in samples TK-2 and <br /> SP-1. The laboratory report and chain-of-custody are attached. <br /> C-4.9;.]A.&S.rv:a,I— 1 <br /> 5Cw%a-101S-=MCX'MN P.S.012 <br /> Full Spectrum Environmental Services- Hydrogeology <br />