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110 2nd Ave South,#{D7,Pacheco,CA 94553-5560 <br /> McCAWBELL ANALYTICAL INC Telephone 925-798-1620 Fax 925-798-1622 <br /> 11ttp llwww in ca bell com E-mail main@mccampbell conn <br /> QC REPORT <br /> VOCs (EPA 824018260) <br /> Date 03/01102 <br /> Extraction EPA 5030 Matrix Air <br /> Concentration uglL %Recovery <br /> Compound Amount RPD <br /> Sample MS MSD Spiked MS MSD <br /> SamplelD 30102 Instrument GC-10 <br /> Surrogate ND 1000 980 1000o 100 98 20 <br /> tert-Amyl Methyl Ether ND 108 108 10 00 108 108 00 <br /> Methyl tert-Butyl Ether ND 109 108 1000 109 108 09 <br /> Ethyl tent-Butyl Ether ND 114 114 10 00 114 114 00 <br /> Di-isopropyl Ether ND 11 0 11 0 10 00 110 110 00 <br /> Toluene ND 104 105 1000 104 105 1 0 <br /> Benzene ND 106 107 10 0D 106 107 09 <br /> Chlorobenzerle ND 107 107 1000 107 107 00 <br /> Trtchloroethene ND 96 105 1000 96 105 90 <br /> 1,1-Dichloroethene ND 11 2 11 3 10 DO 112 113 0 9 <br /> i <br /> {M$—$ample <br /> Re covery= 100 <br /> AountSpiked <br /> RPI)— 2 100 <br /> (ASIS+AfsD) <br /> RPD means Relative Percent Deviation <br />