Laserfiche WebLink
Sequoia 680 Chesapeake Drive Redwood City CA 94063 (650) 364-9600 FAX(650)364 9233 <br /> 404 N Wiget Lane Walnut Creek CA 94598 (925)988-9600 FAX(925)988 9673 <br /> 819 Striker Avenue Suite 8 Sacramento CA 95834 (916)921 9600 FAX(916)921 0100 <br /> Analytical 1455 McDowell Blvd North Ste D Petaluma CA 94954 (707)792 1865 FAX(707) 792-0342 <br /> 1 551 Industrial Road San Carlos CA 94070 4111 (650) 232 9600 FAX(650) 232 9612 <br /> 10 <br /> Sequoia-Petaluma Project Scott Forbes Sampled 312199 to 313!99 <br /> 1455 N McDowell Blvd, Suite D Project Number P903283(ATC) Received 3/15199 <br /> Petaluma CA 94954 Project Manager Scott Forbes Reported 3/19/99 <br /> Volatile Organic Compounds by EPA Method 8260A/Quality Control <br /> Sequoia Analytical-San Carlos <br /> Date Spike Sample QC /reporting Limit Recov RPD RPD <br /> Analyte Analyzed Level Result Result Units Recov Limits % Limit % Notes* <br /> 'Batch 9030051 Date Prepared 3116199 Extraction Method EPA 5030B [P/Tl <br /> Blank 9030051-BLKI <br /> 1 2-Dibromoethane 3/16199 ND ug/1 200 <br /> ' 1,2-Dichloroethane i' ND 200 <br /> Di-isopropyl ether ND 200 <br /> Ethyl tert-butyl ether ND 2 00 <br /> Methyl tert-butyl ether ND 200 <br /> 'Tert-amyl methyl ether ND " 2 00 <br /> Tert-butyl alcohol ND _ 100 <br /> Surrogate 12-Dichloroethane-d4 500 562 760-114 112 <br /> 'Surrogate Tohtene-d8 500 514 880-110 103 <br /> Blank 9030051-BLK2 <br /> 1,2-Dibromoethane 3/17199 ND ug/I 2 00 <br /> k1,2-Dichloroethane ND 2 00 <br /> -isopropyl ether ND 2 00 <br /> hyl tert-butyl ether ND 2 00 <br /> 'Methyl tert-butyl ether ND 200 <br /> Tert-amyl methyl ether " ND 200 <br /> Tert-butyl alcohol ND 100 <br /> Surrogate 12-Dichloroethane-d4 50 0 515 760-114 103 <br /> 'Surrogate Toluene-d8 50 0 50 1 880-110 100 <br /> LCS 9030051-BSI <br /> Methyl tert-butv] ether 3/16/99 Soo 506 ug/1 700-130 101 <br /> 'Surrogate 1 2-Dichloroethane-d4 500 540 760-114 108 <br /> Surrogate Toluene-d8 500 518 880-110 104 <br /> LCS 9030051-BS2 <br /> Methyl tert-butyl ether 3117199 500 554 ug/l 700-130 1 l 1 <br /> Surrogate 12-Dichloroethane-d4 500 508 760-114 102 <br /> Surrogate Toluene-d8 500 50 7 880-110 101 <br /> 1 Matrix Spike 9030051-MSI L903121-01 <br /> Methyi tent-butyl ether 3/16199 500 ND 545 ug/] 700-130 109 <br /> 'Surrogate 1 2-Dichloroethane-d4 500 52 5 760-114 105 <br /> Surrogate Toluene-d8 500 515 880-110 103 <br /> Matrix Spike Dup 9030051-MSDI L903121-01 <br /> 'Methyl tert-butyl ether 3116199 50 0 ND 544 ugll _ _ 700-130 109 25 0 0 <br /> Surrogate 12-Dtchloroethane-d4 500 528 760-114 106 <br /> Surrogate Toluene-d8 500 516 880-110 103 <br /> quoia Analytical-San Carlos *Refer to end of report for tett of notes and definitions <br /> ' Page 13 of 15 <br />