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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 />' lhttp//www mccampbell cam E-mail main@mccampbell com <br /> QC REPORT <br /> VOCs (EPA 824018260) <br /> I <br /> Date 12/07/01 Extraction NIA Matrix Water <br /> Concentration ug/L i %Recovery i <br /> Compound Amount RPD <br /> (Sample MS MSD <br /> Spiked MS MSD <br /> SamplelD 120701 Instrument GC-4 <br /> ISurrogate I NO 1010 990 10000 1 101 99 20 <br /> tent-Amyl Methyl Ether ` NO 99 100 10 00 I 99 100 1 0 <br />' Methyl tent-Butyl Ether NO 94 95 1000 1 94 95 1 1 <br /> Ethyl tert-Butyl Ether NO 102 104 1000 I 102 104 19 <br /> Di-isopropyl Ether NO 97 100 10 00 97 100 3 0 <br /> Surrogate NO 101 0 990 1000c) 101 99 2 0 <br /> Toluene NO 100 107 1000 100 107 6 8 <br /> Benzene NO 104 105 1000 104 105 1 0 <br /> Chlorobenzene i NO 103 104 10 00 103 104 1 0 <br /> Trichloroethene I ND 84 84 1000 84 84 00 <br /> 1 1-Dichloroethene NO 103 105 1 1000 103 105 1 9 <br /> I <br /> A&—s..P" <br /> 9'o Re covery= 4mounrSprked � 0 <br /> I { <br /> xrn= h?S—A&D3 <br /> 2100 <br /> {1Va+e rSD) <br />