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1 <br /> Sequoia U 885 Jarvis Drive <br /> Morgan Hill, CA 95037 <br /> Analytical (408) 776-9600 <br /> FAX(408) 782-6308 <br /> yE <br /> 1 r'. <br /> l ' <br /> 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: 311/99 <br /> Modesto,CA 95351 Project Manager: Tom Lutterman Reported: 9/3/99 <br /> ;� � �' ' �K- �°�t"K Volatile Organic Cempo ds byEPA Method 8260B/Qua]ety-Control°�-- "� �, ��� "`� ���' <br /> Petaluma � - <br /> b-Sequoia�inatyt _ a - .. <br /> G <br /> Date Spike Sample QC Reporting Limit Recov. RPD RPD <br /> Analyte Analyzed Level Result Result Units Recov.Limits % Limit % Notes* <br /> Batchi 9030118 Date Prepared: 3/4/99 Extraction Method. EPA 5035 <br /> Blank 9030118-BLK1 <br /> Tert-amyl methyl ether 3/4/99 ND ug/kg 5.00 <br /> Tert-butyl alcohol ND 100 <br /> Di-isopropyl ether ND 5.00 <br /> 1,2-Dibromoethane(EDB) ND 5.00 <br /> 1,2-Dichloroethane ND " 5.00 <br /> Ethanol' ND 200 <br /> Ethyl.tert-butyl ether ND 5.00 <br /> Ivlethy!tert-butyl-ether -- - _- - ND 5.00 <br /> Surrogate: Dibromofluoromethane 50.0 48.7 $0.0-120 97.4 <br /> Surrogate: 1,2-Dichloroethane-d4 50.0 49.5 80.0-120 99.0 <br /> Surrogate: Toluene-d8 50.0 50.0 81.0417 100 <br /> Surrogate: 4-Bromofluorobenzene 50.0 48.4 74.0-121 96.8 <br /> k 9030118-BLK2 <br /> Tert-amyl methyl ether 3/8/99 ND ug/kg 5.00 <br /> Tert-butyl alcohol ND 100 <br /> Di-isopropyl ether ND 5.00 <br /> 1,2-Dibromoethane(EDB) ND 5.00 <br /> 112-Dichloroethane ND 5.00 <br /> Ethanol ND 200 <br /> Ethyl tert-butyl ether ND 5.00 <br /> Methyl tert-butyl ether ND _ 5.00 <br /> Surrogate: Dibromofluoromethane 50.0 51.1 80.0-120 102 <br /> Surrogate: 1,2-Dichloroethane-d4 50.0 54.6 80.0-120 109 <br /> Surrogate: Toluene-d8 50.0 50.6 81.0-117 101 <br /> Surrogate: 4-Bromofluorobenzene 50.0 54.3 74.0-121 109 <br /> ( <br /> Blank 9030118-BLK3 <br /> Tert-amyl methyl ether 3/9/99 ND ug/kg 5.00 <br /> Tert-butyl alcohol ND 100 <br /> Di-isopropyl ether ND 5.00 ; <br /> 1,2-Dibromoethane(EDB) ND 5.00 <br /> 1,2-Dichloroethane ND 5.00 <br /> Ethanol ND 200 <br /> Ethyl tert-butyl ether ND 5.00 <br /> Methyl.tert-butyl ether _ ND _ _ 5.00 <br /> Surrogate: Dibromofluoromethane 50.0 - 47.7 80.0-120 95.4 F - <br /> Surrogate: 1,2-Dichloroethane-d4 50.0 44.6 80.0-120 89.2 <br /> Surrogate: Toluene-d8 50.0 50.0 81.0-117 100 <br /> '19 <br /> ate: 4-Bromofluorobenzene 50.0 50.2 74.0-121 100 <br /> Sequoia Analytical-Petaluma *Refer to end of report for text of notes and definitions. <br /> i <br /> Page 23 of 28 <br />