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t <br /> 1 -w 'A T rrOR�N .n .LABORATORY SERVICES <br /> Page 5 of 6 11/16/05 15:18 <br /> 1 <br /> i <br /> APEX Envirolech lnc.-Gold River Project: Moore Petroleum <br /> 11244 Pyrites Way Project Number: ERA02.004 CLS Work Order#:COK0254 <br /> Gold River,CA 95670 Project Manager: Paul White <br /> Volatile Organic Compounds by EPA Method 8260B - Quality Control <br /> Reporting Spike Source %REC RPD <br /> Analyte Rcsult Limit Units Level Result %REC Limits RPD Limit Notes <br /> Batch Cf)O',541 -EPA 5010 W!iter .MS <br /> Blank(COUtica I_M.,Kt) Prepared&Analyzed: 11/09/05 <br /> Di-isopropyl Liiwi ND 0.50 pg?L <br /> Ethyl trrl-hum cIhrr ND 0-50 " <br /> Methyl tort-bu yl cil er 0.50 " <br /> tent-Amyl niciiiyl ether \D 0.50 " <br /> Tert-bri1YI a I r)1­1 NI) 5.0 <br /> Benzene N L7 0.50 " <br /> Toluene N1) 0.50 " <br /> Ethylbenzene \D 0.50 " <br /> xylenes(In1:il) ND 1.0 <br /> �cs <br /> 9.19 10.0 91.9 72-125 <br /> (Cow"c—,I-l;,S]} Prepared&Analyzed: 11/09/05 <br /> Methyl tort-1,x,I cel rr 20 S 0.50 µg/L 20.0 104 ' 52-130 <br /> Surro mr:Toh,w"-d8 b:7 10.0 95.7 72-125 <br /> LCS Dull (C" :'h'r,'_.al-E3SD1) _ Prepared&Analyzed: 11/09/05 <br /> Methyl lcrt=hui !r licr 1 7 0.50 pg/L 20.0 108 52-130 4.24 30 <br /> Surr)grrfe:Tolnrrtc•-d4 'J,(15 10.0 96.5 71-115 <br /> i <br /> CA DOHS ELAP Accreditation/Registration Number 1233 <br /> 3249 Road Rancho Cordova, CA 95742 www.californialab.com 916-638-7301 Fax: 916-638-4510 <br />