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1455 McDowell Blvd North,Ste D <br /> Sequoia Petaluma,CA'94954 <br /> 4 (707)792-1865 <br /> FAX(707)792- 3 <br /> Aw Analytical www sequoialabscorn <br /> Cambria Environmental Project Equiva 5-7d <br /> 270 Perkins St Project Number 440 West Charter Way,Stockton Reported <br /> Sonoma CA,95476 Project Manager Aubrey Cool 12/12/00 07 37 <br /> Volatile Organic Compounds by EPA Method 8260B- Quality Control <br /> Sequoia Analytical - Petaluma <br /> Reporting Spike Source %REC RPD <br /> Analyte Result Lama Units level Result %REC Limits RPD Limit Notes <br /> Batch 0110272-EPA 5030 soils <br /> LCS(0110272-BS4) Prepared&Analyzed 11/16/00 <br /> Methyl tert-butyl ether 00556 000500 mg/kg 00500 111 758-124 4 <br /> Surrogate Dibromofluoromethane 00432 00450 960 80-120 <br /> Surrogate 12-Dichloroethane-d4 00374 00450 831 80-120 <br /> Surrogate Toluene-d8 00452 00450 100 81-II7 <br /> Matnx Spike(0110272-MSI) Source P011104-01 Prepared&Analyzed 11/09/00 <br /> Methyl tent-butyl ether 0 127 000500 mg/kg 0 125 ND 102 758-124 <br /> Surrogate Dibromofluoromethane 0 107 0 113 947 80-120 <br /> Surrogate 1 2-Dichloroethane-d4 00962 0113 851 80-120 <br /> Surrogate Toluene-d8 0112 0113 991 81-117 <br /> Matrix Spike Dup(0110272-MSDI) Source P011104-01 Prepared&Analyzed 11/09/00 <br /> Methyl tert-butyl ether 0 127 000500 mg/kg 0 125 ND 102 75 8-124 0 35 <br /> Surrogate Dibromofluoromethane 0 108 0113 956 80-120 <br /> Surrogate 1 2-Dichloroeihane-d4 00926 0113 819 80-120 <br /> Surrogate Toluene-d8 0109 0113 965 81-117 <br /> Batcff0110339-EPA 5030 soils MRM <br /> I <br />- Blank(0110339-BLKI) - - - --Prepared-11/13/00 Analyzed-11/14/00 - - <br /> Tert-amyl methyl ether ND 0 500 mg/kg <br /> Teri-butyl alcohol - - = -- -ND - - 100----.,-- <br /> Di-isopropyl <br /> 0OT— "F-Di-isopropyl ether ND 0 500 " <br /> 1,2-Dlbromoethane(ED13) ND 0500 " <br /> 1,2-Dichloroethane ND 0500 " <br /> Ethanol ND 200 " <br /> Ethyl tert-butyl ether ND 0 500 " <br /> Methyl tert-butyl ether ND 0 500 " <br /> Surrogate Dibromofluoromethane 218 200 109 80-120 <br /> Surrogate I 1-Dichloroethane d4 238 200 119 80-120 <br /> Surrogate Toluene-d8 106 200 103 81-117 <br /> Sequoia Analytical-Petaluma The results in this report apply to the samples analyzed in accordance with the ch <br /> custody document This analytical report must be reproduced in its entirety <br /> Page 31 of 41 <br />