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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 /> h //www mccam bell co m E-mail mwn@mccampbcfl com <br /> QC REPORT <br /> VOCs (EPA 824018260) <br /> Date 1114101 Extraction EPA 5030 Matrix Water <br />' Concentration ug/L %Recovery <br /> Compound Amount RPD <br /> Sample MS MSD Spiked MS MSD <br /> SamplelD 111501 instrument GC-10 <br /> Surrogate -- ND 1000 99 0 �1100 00 !- 100 99 1 0 1 <br />' tert-Amyl Methyl Ether ND 102 96 4 1000 102 96 61 <br /> Methyl tent-Butyl Ether ND 97 94 1000 9794 3 1 <br /> Ethyl tert-Butyl Ether ND 11 2 105 1 1000112__�, — 105 65 <br /> Di-isopropyl Ether ND 108 104 1000 108 104 1 38 <br /> Surrogate x ND f 1000 990 100 00 —100 99 1 0 <br /> tert-Amyl Methyl Ether — ND 102 96 1000 102 -96 61 <br /> Methyl tent-Butyl Ether _ ND 97 94 1000 97Y 94 3141 <br /> T <br /> Ethyl tart-Butyl Ether ND 11 2 105 10 00 112 105 65 <br /> Di-isopropyl Ether ND 108 104 1000 108 104 38 <br /> 1 <br /> (hLS-Sample <br /> %Recovery= Amoundpiked 100 <br /> A!3 A <br /> RPDA 2100 <br /> (,&rtAED) <br /> RPD means Relative Percent Deviation <br />