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of the samples by the laboratory, Park decided to have the laboratory combine the two <br /> samples in order to lower the detection limit from 10 mg/l to 2 mg/l for diesel. The <br /> samples were transported to Sierra Laboratories Inc. under Chain of Custody <br /> documentation. <br /> Soil Test Results <br /> 'The three composited soil sample analysis test results were non-detect at the method <br /> detection limit of 10 mg/kg. The laboratory analytical reports are attached to this report <br /> of findings. <br /> Water Test Results <br /> The water sample analysis test result was also non-detect at the method detection limit 'of <br /> 2 mg/1. The laboratory analytical report is attached to this report of findings. <br /> RECOMMENDATIONS <br /> Park proposes to handle the stockpiled soils as a non-hazardous material. <br /> Park recommends removing the water from the tank excavation pit prior to backfilling the <br /> pit with the stockpiled soils. <br /> Please contact Park's Roseville office at (916).784-7400 if you-have any questions regarding <br /> this submittal. <br /> Sincerely, I <br /> PARK ENVIRONMENTAL CORPORATION <br /> I <br /> � r,RED GEO�O �r�RED Gto <br /> Richard ipp, R.G., C.E.G. RICHARD " R cJ. s� <br /> J. ZIPP <br /> Principal Hydrogeologist Zipp No. 1096 <br /> No. <br /> O 361 CERTIRED <br /> p T : ENGINEERING <br /> R Z:mjm J'J ,� J], GEOLOGIST <br /> qfF OF CAYF qTF OF CALtiFD�ka 4 <br /> 500371 2 <br /> r <br /> G <br />