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E � <br /> E <br /> Laboratories, Inc <br /> TRC Alton Geosetence Project 5886 <br /> 21 Technology Drive Project Number [none] <br /> Irvine CA,92618-2302 Project Manager Anju Farfan Reported 08/30/05 05 51 <br /> '1 <br /> Volatile Organic Analysis (EPA Method 8260) <br /> Quality Control Report - Method Blank Analysis <br /> Constituent Batc4 ID QC Sample I MB Result Units PQL MDL Lab Quals <br /> Benzene BOH1341 BOH1341-BLK1 ND ug/L 0 50 0 12 <br /> 1,2-Dibromoethane BOH1341 !J BOH1341-BLK1 ND ug/L 050 011 <br /> 1 2-Dichloroethane BOH1341 I BOH1341-BLK1 ND ug/L 050 025 <br /> Ethylbenzene BOH1341 BOH1341-BLK1 ND ug1L 050 0 13 <br /> Methyl t-butyl ether BOH1341 BOH1341-BLK1 015000 uglL 0 50 015 J <br /> Toluene BOH1341 I BOH1341-BLK1 ND uglL 0 50 015 <br /> Total Xylenes BOH1341 BOH1341-BLK1 ND ug/L 1 0 040 <br /> t-Amyl Methyl ether BOH1341 li BOH1341-BLK1 ND ug/L 0 50 0 31 <br /> t-Butyl alcohol BOH1341 „ BOH1341-BLK1 ND ug/L 10 10 <br /> D isopropyl ether BOH1341 BOH1341-BLK1 ND uglL 0 50 0 25 <br /> Ethanol BOH1341 BOH1341'BLK1 ND ug1L 1000 110 <br /> Ethyl t-butyl ether BOH1341 li BOH1341-BLKI ND ug/L 0 50 027 <br /> 1,2-Dichloroethane-d4(Surrogate) BOH1341 BOH1341'-BLK1 101 % 76-114 (LCL-UCL) <br /> Toluene-d8(Surrogate) BOH1341 11 BOH1341'-BLK1 102 % 88-110 (LCL-UCL) <br /> 4-Bromolluorobenzene(Surrogate) BOH1341 BOH1341-BLK1 102 % 86-115 (LCL-UCL) <br /> I ! 1 <br /> E I I <br /> E <br /> 1 <br /> ISI � <br /> E � <br /> E � <br /> � u <br /> a <br /> E i <br /> E ' <br /> BC Lab0rat0ries The results in this report apply to the samples analyzed to accordance with the chain of custody document This analytical report must be reproduced in its enurery <br /> All results listed in this report are for the exclusive use of the su6mrtting1 parry 8C LaboworicsAlftpurnes no responsibility for report alteration separation detachment or third party interpretation <br /> 9 4100 Atlas Court-Bakersfield,CA 93308- (6[ 7-44911 - FAX(661)327-1918-www bclabs com r Page 49'd5l <br /> 11 1 - <br />