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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 /> hqp//www mccamibell com E-mail main@mccampbell com <br /> QC REPORT <br /> VOCs (EPA 824018260) <br /> Date 11/19/01 Extraction NIA Matrix Water <br /> Concentration ug/L %Recovery <br /> Compound Amount RPD <br /> Sample MS MSD Spiked MS MSD <br /> SamplelD 110901 Instrument GC-10 <br /> Surrogate ND 1170 1160 10000 117 116 09 <br /> tert-Amyl Methyl Ether ND 104 102 1000 104 102 19 <br /> Methyl tert-Butyl Ether ND 93 95 1000 93 95 21 <br /> Ethyl tert-Butyl Ether ND 105 106 1000 105 106 09 <br /> Di-isopropyl Ether ND 98 100 1000 98 100 20 <br /> �!r Surrogate ND 1170 1160 10000 117 116 09 <br /> Toluene ND 99 99 1000 99 99 00 <br /> Benzene ND 103 104 1000 103 104 1 0 <br /> 1 Chlorobenzene ND 104 103 1000 104 103 1 0 <br /> Trichloroethene ND 72 7 5 1000 72 75 41 <br /> •� 1,1-Dichloroethene ND 105 106 1 1000 105 106 0 9 <br /> �r <br /> i <br /> 1 <br /> i� <br /> k <br /> rJ01) <br /> _ <br /> -{Ati5—Sample <br /> Re caVery= Amovndprked loo <br /> A/5'`h2SD� <br /> RPD= 2 I <br /> (A&+MSD) <br /> RPD means Relative Percent Deviation <br />