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1 <br /> FRIEDMAN & BRUYA, INC. <br /> IENVIRONMENTAL CHEMISTS <br /> I Date of Report: 01/26/09 <br /> Date Received: 01/22/09 <br /> Project: Everett Hotel KE080697A, F&BI 901174 <br /> IQUALITY ASSURANCE RESULTS FOR THE ANALYSIS OF WATER <br /> SAMPLES FOR BENZENE, TOLUENE, ETHYLBENZENE, <br /> I XYLENES, AND TPH AS GASOLINE <br /> USING EPA METHOD 8021B AND NWTPH-Gx <br /> I Laboratory Code: 901172-01 (Duplicate) <br /> Relative Percent <br /> Reporting Sample Duplicate Difference <br /> I Analyte Units Result Result (Limit 20) <br /> Benzene ug/L(ppb) <1 <1 nm <br /> Toluene ug/L(ppb) <1 <1 nm <br /> Ethylbenzene ug/L(ppb) <1 <1 nm <br /> I Xylenes ug/L(ppb) <3 <3 nm <br /> Gasoline ug/L(ppb) <100 <100 nm <br /> I Laboratory Code: Laboratory Control Sample <br /> Percent <br /> Reporting Spike Recovery Acceptance <br /> Analyte Units Level . LCS Criteria <br /> I Benzene ug/L(ppb) 50 97 65-118 <br /> Toluene ug/L(ppb) 50 103 72-122 <br /> I Ethylbenzene ug/L(ppb) 50 73-126 <br /> Xylenes ug/L(ppb) 150 100100 74-118 <br /> Gasoline ug/L(ppb) 1,000 95 69-134 <br /> I <br /> I <br /> I <br /> I <br /> I <br /> 111 I <br />