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(4,1 '1'�44 110 2nd Ave South,#D7,Pacheco,CA 94553-5560 <br /> MCCAMPBELL ANALYTICAL .INC. "Telephone 925-798-1620 Fax 925-798-1622 <br /> http//www mccamp-bell corn E-mail matn@mccampbell comm <br /> QC REPORT <br /> VOCs (EPA 824018260) <br /> Data 09/24/0"9/25/01 Extraction EPA 5030 Matrix Water <br /> Concentration ug/L %Recovery <br /> Compound At RPD <br /> Sample MS MSD mounrnoun MS MSD <br /> Spiked <br /> SamplelD 92201 Instrument GC-10 <br /> Surrogate ND 990 1000 10000 99 100 ' 10 <br /> tent-Amyl Methyl Ether NO 103 102 1000 103 10.2 10 <br /> Methyl tent-Butyl Ether NO 91 89 1000 j 91 89 i 22 <br /> Ethyl telt-Butyl Ether NO 97 94 1000 97 94 31 <br /> D1-lsopropyl Ether NO 102 101 ;! 10 00 102 101 10 <br /> Toluene NO 91 92 1000 91 92 1 1 <br /> . E Benzene NO 93 9 4 1000 93 94 1 1 <br /> Chlorobenzene NO 9 3 94 1000 93 94 1 1 <br /> Tnchloroethane NO 71 73 1000 71 73 2 8 <br /> _ _ 3 <br /> 1,1-Dlchloroethene NO 88 9 0 1000 i 88 90 2 2 <br /> (MS-5uniple) <br /> %Re covery= Aniou iSp+ked 100 <br /> (elaS—SSD) <br /> RPD= 2100 <br /> (MS+h2SD) <br />