Laserfiche WebLink
Sequoia 1455 McDowell Blvd,North Ste <br /> ' Petaluma,CA 949544 <br /> 4 <br /> Analytical <br /> D— (707)792-1865 <br /> J FAX(707)792-0342 <br /> www sequoialabs com <br /> Secor-Rancho Cordova Project Arco Site 4932,Stockton,CA P402158 <br /> 3017 Kd9are Road Suite 100 Project Number 38984 Reported <br /> Rancho Cordova CA,95670 Project Manager Rusty Benkosky 02/20/04 12 06 <br /> Purgeable Hydrocarbons and BTEX by EPA 8015B/8021B-Quality Control <br /> Sequoia Analytical-Petaluma <br /> Reporting Spike Source %REC RPD <br /> Analyte Result Limit units LCVC1 Result %KEC Limits RPD Limit Notes <br /> Batch 4020143-EPA 5030B,waters <br /> Matrix Spike 4020143-MSl Source P401494-04 Prepared&Analyzed 02/06/04 <br /> Gasoline Range Organics 698 14 ppmv 780 5 6 89 65 135 <br /> Gasoline Range Organics 2460 50 mg/ml Air 2750 20 89 65-135 <br /> Benzene 41 3 0 50 " 400 0 15 103 65-135 <br /> Benzene 13 0 0 16 ppmv 12 5 0 046 104 65-135 <br /> Toluene 214 050 mg/ml Air 186 ND 115 65-135 <br /> Toluene 56 9 0 13 ppmv 493 ND 115 65-135 <br /> Ethylbenzene 47 7 050 mg/ml Air 43 5 0 20 109 65-135 <br /> Ethylbenzene 11 0 0 12 ppmv 100 0 047 110 65-135 <br /> Xylenes(total) 232 050 mg/m'Air 210 ND 110 65-135 <br /> Xylenes(total) 53 5 0 12 ppmv 486 ND 110 65 135 <br /> Methyl tert-butyl ether 18 0 056 " 172 0 10 104 65-135 <br /> .Methyl Cert-butyl ether 64 7 2 0 mg/ml Air 620 0 37 104 65-135 <br /> Surrogate a a,a-Trifluorotoluene 55 3 ppmv 503 110 65-135 <br /> Surrogate a a a-Trifluorotoluene 330 mg/m'Air 300 110 65-135 <br /> Surrogate 4-Bromofluorobenzene 306 300 102 65-135 <br /> Surrogate 4-Bromofluorobenzene 42 8 ppmv 41 9 102 65-135 <br /> Matrix Spike Dup(4020143-MSD1) Source P401494_-04 Prepared&Analyzed 02/06/04 <br /> Gasoline Range Organics 2460 50 mg/m'Air 2750 20 89 65-135 0 20 <br /> Gasoline Range Organics 699 14 ppmv 780 5 6 89 65-135 0 1 20 <br /> Benzene 43 0 0 50 mg/m'Air 400 0 15 107 65-135 4 20 <br /> Benzene 13 5 0 16 ppmv 12 5 0 046 108 65 135 4 20 <br /> Toluene 229 050 mg/ml Air 186 ND 123 65-135 7 20 <br /> Toluene 608 0 13 ppmv 49 3 ND 123 65-135 7 20 <br /> Ethylbenzene 11 1 0 12 100 0 047 111 65-135 09 20 <br /> I <br /> Ethylbenzene 48 0 050 mg/ml Air 435 020 110 65-135 0 6 20 <br /> i <br /> Xylenes(total) 244 050 210 ND 116 65-135 5 20 <br /> Xylenes(total) 563 0 12 ppmv 486 ND 116 65-135 5 20 <br /> Methyl tert-butyl ether 17 0 0 56 " 172 0 10 98 65-135 6 20 j <br /> Methyl tert-butyl ether 61 2 2 0 mg/ml Air 620 0 37 98 65-135 6 20 <br /> Surrogate a a a-Trifluarotoluene 362 300 121 65 135 I <br /> Surrogate a a a-Trifluoroioluene 606 ppmv 503 120 65 135 <br /> Surrogate 4-Bromofluorobenzene 314 ing/m'Air 300 105 65-135 <br /> Surrogate 4-Bromofluorobenzene 439 ppmv 419 105 65-135 <br /> SequoiaAnalytical-Petaluma The results in this report apply to the samples analyzed in accordance with the chain <br /> of custody document Unless otherwise stated results are reported on a wet weight <br /> basis This analytical report must be reproduced in its entirety <br /> Page 11 of 18 <br />