Laserfiche WebLink
Sequoia Geo Chesapeake Drive Redwood C]ty,CA 94063 <br /> (650)364-9600 FAX(650)364-9233 <br /> 404 N.Wlget Lane Walnut Creek,CA 94598 (925)988-9600 FAX(925)988-9673 <br /> �r 819 Striker Avenue,Suite 8 Sacramento,CA 95834 (916)921-9600 FAX(916)921-0100 <br /> 1111W Analytical <br /> 1455 McDowell Blvd.North,Ste.D Petaluma,CA 94954 (707)792-1865 FAX(707)792-0342 <br /> v ATC Associates,Inc. Project: SUSD/Corporation Yard Sampled: 2/23/99 to 2/24/99 <br /> 1117 Lone Palm Ave.,Suite B Project Number: na Received: 3/1199 <br /> Modesto,CA 95351 Project Manager: Tom Lutterman Reported: 3115199 <br /> +� Volatile Organic Compounds by EPA Method 8260B/Quality Control <br /> Sequoia Analytical-Petaluma <br /> Date Spike Sample QC Reporting Limit Recov. RPD RPD <br /> 6"lAnalyte Analyzed Level Result Result Units Recov. Limits % Limit % Notes* <br /> F Blank 9030118-BLK4 <br /> �,.Tert-amyl methyl ether 3/11199 NO ug/kg 5.00 <br /> Tert-butyl alcohol NO 100 <br /> Di-isopropyl ether NO 5.00 <br /> 1,2-Dibromoethane(EDB) ND 5,00 <br /> #" 1,2-Dichloroethane NO 5.00 <br /> Ethanol NO 200 <br /> Ethyl tert-butyl ether ND 5.00 <br /> Methyl tert-butyl ether _ _ NO 5.00 _ <br /> Surrogate: Dibromofluoromethane 50.0 50.0 80.0-120 100 <br /> Surrogate: 1,2-Dichloroethane-d4 50.0 51.6 80.0-110 103 <br /> Surrogate: Toluene-d8 " 50.0 49.5 81.0-117 99.0 <br /> S. Surrogate: 4-Bromofluorobenzene 50.0 51.6 74.0-121 103 <br /> s"S 9030118-BSI <br /> hyl tert-butyl ether 3/4199 _50.0 48.1 ug/kg 70.0-130 96.2 <br /> rogate: Dibromofluoromethane 50.0 50.9 80.0-120 102 <br /> Surrogate: 1,2-Dichloroethane-d4 50.0 52.9 80.0-120 106 <br /> ' Surrogate: Toluene-d8 50.0 48.6 81.0-117 97.2 <br /> t.Surrogate: 4-Bromofluorobenzene 50.0 48.8 74.0-121 97.6 <br /> LCS 9030118-13S2 <br /> Methyl tent-butyl ether _ _ 3/8/99 50.0 51.0 ug/kg 70.0-130 _102 <br /> Surrogate: Dibromofluoromethane 50.0 52.0 80.0-120 104 <br /> Surrogate: 1,2-Dichloroethane-d4 50.0 57.5 80.0-120 115 <br /> Surrogate: Toluene-d8 " 50.0 48.9 " 81.0-117 97.8 <br /> Im Surrogate: 4-Bromofluorobenzene 50.0 50.6 74.0-121 101 <br /> LCS 9030118-BS3 <br /> Methyl tert-butyl ether 319/99 50.0 45.5 ug/kg 70.0-130 91.0 <br /> 6w Surrogate: Dibromofluoromethane 50.0 50.7 80.0-120 101 <br /> Surrogate: 1,2-Dichloroethane-d4 50.0 49.4 80.0-120 98.8 <br /> Surrogate: Toluene-d8 50.0 52.6 81.0-117 105 <br /> Surrogate: 4-Bromofluorobenzene 50.0 51.5 74.0-121 103 <br /> LCS 9030118-BS4 <br /> Methyl tert-butyl ether 3/11/99 50.0 44.6 ug/kg 70.0-130 89.2 <br /> j,Surrogate: Dibromofluoromethane 50.0 52.0 80.0-120 104 <br /> Surrogate: 1,2-Dichloroethane-d4 50.0 56.3 80.0-120 113 <br /> Surrogate: Toluene-d8 50.0 43.6 81.0-117 87.2 <br /> Surrogate: 4-Bromofluorobenzene 50.0 50.3 74.0-121 101 <br /> 75t4uoia Analytical-Petaluma *Refer to end of report for text of notes and definitions. <br /> rw <br /> Page 24 of 28 <br /> rw <br />