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Seattle 11720 North Creek Pkwy N Suite 400 Bothell WA 90011 8223 <br /> 425 420 9200 fax 425 420 9210 <br /> TM Spokane East 11115 Montgomery Suite B Spokane WA 99206 4776 <br /> 509 924 9200 fax 509 924 9290 <br /> Portland 9405 SW Nimbus Avenue Beaverton OR 97008 7132 <br /> 5U3 906 9200 fax 503 906 9210 <br /> . www ncalabs cam Bond 20332 Empire Avenue Suite E 1 Bend OR 97701 5711 <br /> 541383 9310 tax 541 382 7588 <br /> ERM-West Project UPRR Stockton <br /> 620 Bercut Drive Project Number 8187 25 Reported <br /> Sacramento CA,95814 Project Manager John Borkovich 11/21/00 08 06 <br /> Volatile Organic Compounds by EPA Method 8260B - Quality Control <br /> Sequoia Analytical - San Carlos <br /> Reporting Spike Source %REC RPD <br /> Analyte Result Limit Units Level Result %RLC Limits RPD Limit Notes <br /> Batch 0100063 Prepares! 10/12/00 Using EPA 5030B [PIT] <br /> LCS(0100063-BSI) <br /> Benzene 41 3 200 ug/l 500 826 700-130 <br /> Toluene 464 200 500 928 700-130 <br /> Methyl tert-butyl ether 43 1 200 500 862 700-130 <br /> Surrogate 1 2-Drchloroethane-d4 43 7 500 874 760-114 <br /> Surrogate Toluene-d8 508 500 102 880-110 <br /> Surrogate 4-BFB 45 6 500 912 860-115 <br /> LCS(0 1 00063-BS2) <br /> Benzene 432 260 ug/I 500 864 700-130 <br /> Toluene 48 5 200 500 970 700-130 <br /> Methyl tert-butyi ether 477 200 500 954 700-130 <br /> togat12-Dloroethane-d4 443 Soo 886 760-114 <br /> gate Tohiene-d8 518 500 104 880-1/0 <br /> e <br /> rch <br /> gate 4-BFB 455 500 910 860-115 <br /> LCS(0100063-BS3) <br /> Benzene 402 200 ugll 500 804 700-130 <br /> Toluene 45 5 200 500 91 0 700-130 <br /> Methyl tert-butyl ether 429 200 500 85 8 700-130 <br /> Surrogate 12-Dichloroelhane-d4 45 7 -500 914 760-114 <br /> Surrogate Toluene-d8 522 500 104 880-110 <br /> Surrogate 4-BFB 443 500 88 6 860-115 <br /> LCS(0100063-BS4) <br /> Benzene _- - - 38 8 _ 200 ug/l 500 77 6 700-130 <br /> Toluene 44 1 200 500 88 2 700-130 <br /> Methyl tert-butyl ether 373 200 500 746 700-130 <br /> Surrogate 1 2-Drchloroethane-d4 442 500 88 4 760-114 <br /> Surrogate Toluene-d8 51 7 500 103 880-110 <br /> Surrogate 4-BFB 451 5019 902 860-115 <br /> h Creek Analytic thell The results in this report apply to the samples analyzed in accordance with the chain of <br /> custody document This analytical report must be reproduced in its entirety <br /> Kirk Gend o , Project Manager North Creek Analytical,Inc Page 9 of 11 <br /> Environmental Laboratory Network <br />