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„ Y <br /> , <br /> CALIFORNIALABORATORY SE, <br /> RVICE'S <br /> , <br /> Y, <br /> 10/15/04 14 52 <br /> ENSR-Sacramento Project Former Unocal 2859, 1665o f A O.k OIodert ,`&J0195 <br /> 10411 Old Placerville Rd,Suite 210 Project Number 06940-357-100 + <br /> Sacramento,CA 95827-2508 Project Manager Ben I Henmgburg COC# 1,2,3 <br /> GasBTEX by GC PM FII -Quality Control ' <br /> - <br /> Reporting Spike Source %REC RPD ' <br /> Analyte Result Limit Units Level Result °/6REC Limits RPD Limit Notes <br /> Batch CN07800- EPA 5030 Water GC <br /> LCS Dup(CN07800-BSD1) Prepared 10/08/04 Analyzed 10/11/04 ' <br /> Gasoline 478 50 µg/L 500 95 6 65-135 0209 30 <br /> Surrogate o-Chlorotoluene(Gas) 204 200 102 65-135 ” <br /> s 1 Matrix Spike(CN07800-MSI) + Source CNJ0I93-01 Prepared 10108!04 Analyzed 10/11/04 <br /> Gasoline 387 50 Ag/l, 500 774 65-135 <br /> Surrogate o-Chlorotoluene(Gas) 164 200 82 0 65-135 <br /> Matrix Spike Dup(CN07800-MSD!) Source CNJO193-01 Prepared 10/08/04 Analyzed 10/11/04 <br /> Gasoline 472 50 µg/L 500 94 4 65-135 19 8 30 <br /> Surrogate o-Chlorololuene(Gas) 194 200 970 65-135 <br /> 41 Batch CN07858 -EPA 5030 Water GC <br /> Blank(CN07858-BLKI) Prepared 10/11/04 Analyzed 10/13/04 <br /> Gasoline ND 50 µglL <br /> —Benzene -- ND—_O 50 <br /> Toluene ND 050 " <br /> k_ <br /> _..ND. .,�� � 050_ <br /> . - <br /> _Ethyl benzene-_� r� ----�— <br /> Xylenes(total) ND 10 <br /> -Surrogale o-Chlororoluene(Gas) __ —20 5 y T w` - -`-"------20 0 <br /> LCS(CN07858-BSI) Prepared 10/11/04 Analyzed 10/13/04 ' <br /> Benzene 18 l 050 µg/L 200 905 70-140 <br /> Toluene 229 050 200 114 70-140 <br /> Ethylbenzene 23 1 050 200 116 70-140 ' <br /> Xylenes(total) 71 1 1 0, 600 118 70-140 <br /> Surrogate o-Chlorotoluene(BTEA9 193 200 965 65-135 <br /> 1 <br /> ' CA DOHS FLAP Accreditation/Registration Number 1233 <br /> + <br /> 3249 Fitzgerald Road Rancho Cordova, CA 95742 www californialab com 916-638-7301 Fax 916-638-4510 <br /> l ` <br />