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I110 2nd Ave South,#D7,Pacheco,CA 94553-5560 <br /> MCCAMPBELL ANALYTICAL INC Telephone 925-798-1620 Fax 925-798-1622 <br /> Ihttp//wwwmccampbell corn E-mail mam@mccampbell corn <br /> i <br /> QC REPORT <br /> VOCs (EPA 824018260) <br /> Date 08115101-08116101 Extraction NIA Matrix _Water <br /> --1 <br /> Concentration ug/L aRecovery <br /> Compound Amount RPD <br /> Sample MS MSD spied MS MSD <br /> Samplel❑ 81501 Instrument GC-10 <br /> Surrogate ND 1020 102 0 100 00 102 102 00 <br /> Methyl tert-Butyl Ether ND 93 9 4 1000 93 94 1 1 <br /> Surrogate �- ND 1000 100 0 10000 —100 100 0 0 <br /> tert-Amyl Methyl Ether ND _ 95 95 I 1000 95 95 00 <br /> Methyl tert-Butyl Ether ND 101 99 1000 101 99 20 <br /> Ethyl tert-Butyl Ether ND 93 92 1000 93 92 1 1 <br /> Di-isopropyl Ether ND 94 94 1000 94 94 00 <br /> Toluene ND 102 102 1000 102 102 00 <br /> Benzene ND 108 10 8 1000 108 108 0 0 <br /> IChlorobenzene ND 104 102 1000 104 102 1 9 <br /> Trichloroethane ND 87 86 1000 87 86 1 2 <br /> 1,1-Dlchloroethene ND 103 101 10 00 103 101 2 0 <br /> I <br /> VS <br /> I <br /> MS-Sanipk) <br /> Recovery= Amoundpiked lab <br /> RPD_(MS-A4SD) 2 100 <br /> BLS+MSD) <br /> RPD means Relative Percent Deviahon <br />