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y , <br /> North State Environmental Laboratory CA FLAP# 1753 <br /> 09 90 South Spruce Avenue, Suite V • South San Francisco, CA 94080 • (650) 266-4563 • FAX (650) 266-4560 <br /> CERTIFICATE OF ANALYSIS <br /> Quality Control/Quality Assurance <br /> Lab Number: 99-0647 <br /> Client . Compliance & Closure, Inc. <br /> Project Quck Stop #121, Manteca CA / 12118-3 <br /> Date Reported. 05/07/99 <br /> Gasoline and BTEX by Methods 8015M and 8020 <br /> Reporting MS/MSD <br /> Analyte Method Limit Unit Blank Recovery RPD <br /> asoline 8015M 50 ug/L ND 131 1 <br /> Benzene 8020 0 5 ug/L ND 106 4 <br /> Ethylbenzene 8020 0 . 5 ug/L ND 106 2 <br /> Toluene 8020 0 . 5 ug/L ND 109 5 <br /> Xylenes 8020 1 0 ug/L ND 112 6 <br /> ELAPyCerttnpproved <br /> O 1753 <br /> evi <br /> 46 <br /> Page 3 of 3 <br /> John A Murphy, Laboratory Director <br />