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4 <br /> 01 September 2004 <br /> AGE-NC Project No. 03-1091 <br /> Page 2of3 <br /> SOIL SAMPLING <br /> On 05 May 2004, an AGE representative met Mr. Michael lnfurna of the SJCEHD at the site for <br /> approval of the requested sampling locations. Following SJCEHD approval, fourteen soil samples <br /> (DB-1, ST-1, ST-2, LL-1 through LL-11) were collected at the specified locations. Samples ST-1 <br /> and ST-2 were collected at a depth of seven to ten feet below surface grade(bsg),samples DB-1,LL- <br /> 1 through LL-11 were collected at four feet bsg. Samples ST-1, ST-2 and DB-1 were angled at <br /> approximately 30 degrees to reach the areas directly below the septic tank and distribution box. Soil <br /> samples were collected using a Geoprobe soil sampling assembly loaded with four pre-cleaned <br /> 1.125-inch by 6-inch brass sleeves. One sleeve of each soil sample was preserved by covering both <br /> ends of the brass sleeve with Teflon sheets, capping, and sealing with tape. <br /> All samples were properly labeled,placed in a appropriate,chilled container and transported under <br /> chain-of-custody to Cal Tech Environmental Laboratory a State of California Department of Health <br /> Services (DHS)-certified laboratory. The samples were analyzed for: <br /> • Total petroleum hydrocarbons quantified as gasoline and diesel (TPH-g and TPH-d) in <br /> accordance with EPA Method 8015 Modified; <br /> • Total petroleum hydrocarbons quantified as oil and grease (TPH-o&g) in accordance with <br /> EPA Method 8015 Modified; <br /> • Total recoverable petroleum hydrocarbons(TRPH)in accordance with EPA Method 418.1, <br /> carbon chain C-8 through C-50; <br /> • Full scan 8260b, reporting all peaks; and <br /> • pH in accordance with EPA Method 150.1. <br /> LABORATORY RESULTS <br /> None of the target analytes were reported at concentrations above the detection limits. The pH <br /> analysis of all samples was measured between 6.175 and 7.762 units. <br /> Copies of the laboratory report(CTEL Project No: CT214-0405019)and chain-of-custody form are <br /> included in Appendix A. <br /> SEPTIC SYSTEM REPAIRS <br />