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' 110 2nd Ave South,#D7, Pacheco,CA 94553-5560 <br /> MCCANWBELL ANALYTICAL INC Telephone 925-798-1620 Fax 925-798-1622 <br /> htty//www mccamubell com E-mail main@mccampbell com <br /> QC REPORT <br /> VOCs (EPA 824018260) <br /> Date 12/07/01 Extraction NIA Matrix Water <br /> Concentration ug/L %Recovery <br /> Compound Amount RPD <br /> Sample MS MSD Spiked MS MSD <br /> SamplelD 120701 Instrument GC-4 <br /> Surrogate NO 1010 990 10000 101 99 20 <br /> tert-Amyl Methyl Ether I NO 99 100 1000 99 100 10 <br /> Methyl Cert-Butyl Ether NO 94 95 1000 94 95 1 1 <br /> Ethyl tert-Butyl Ether NO 102 104 1000 102 104 19 <br /> Di-isopropyl Ether NO 97 100 1000 97 100 30 <br /> Surrogate NO 1010 990 10000 101 99 20 <br /> Toluene NO 100 107 1000 100 107 68 <br /> Benzene NO 104 105 10 00 104 105 1 0 <br /> Chlorobenzene NO 103 104 1000 103 104 1 0 <br /> Trichloroethene NO 84 84 1000 84 84 0 0 <br /> 1 1-Dichloroethene NO 103 105 1000 103 105 1 9 <br /> {,LLS—Sa»rple <br /> Y.Re covery= 100 <br /> AmounrSpiked <br /> (AtiS—eLLSD) <br /> RPD= 2100 <br /> RPD means Relative Percent Deviation <br />