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' 110 2nd Ave South,#D7,Pacheco,CA 94553-5560 <br /> McCAMPBELL ANALYTICAL INC Telephone 925-798-1620 Fax 925-798-1622 <br />' httD/Iwww mccampbell com E-mail main@mccamphell corn <br />' QC REPORT <br /> VOCs (EPA 824018260) <br />' Date 12107/01 Extraction NIA Matrix Water <br /> Concentration ug/L I %Recovery <br /> CompoundAmount RPS <br /> $ample MS MSD Spiked M5 MSa <br /> SamplelD 120701 Instrument GC-d <br />' Surrogate NO 1010 990 10000 i 101 99 I 20 <br /> tert-Amyl Methyl Ether NO 99 100 10 00 99 100 E 1 0 <br /> Methyl tert-Butyl Ether NO 94 95 1000 94 95 1 1 I <br /> 1 Ethyl tert-Butyl Ether NO 102 104 f 1000 102 104 ff 1 9 <br /> I� <br /> Di-isopropyl Ether NO 97 100 1000 97 100 30 <br /> Surrogate NO 101 0 990 10000 101 99 20 <br /> Toluene NO 100 107 1000 100 107 68 1 <br /> . Benzene ND 104 10 5 1000 104 105 1 0 <br /> Chlorobenzene ND 103 104 1000 103 104 1 0 <br /> Trichloroethene NO 8 4 8 4 1000 84 84 0 0 <br /> 1,1-Dlchloroethene NO 103 105 1000 103 105 1 9 <br /> I <br /> (A&—Sample <br /> 4'o Re cavery= AmowSpiked 1 DO <br /> RPD-{h?S—A?SD� 2100 <br /> (MS+AIND) <br /> RPD means Relative Percent Deviat70n <br />