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I 110 2nd Ave South,#D7,Pacheco,CA 94553-5560 <br /> McCAMPBELL ANALYTICAL INC Telephone 925-798-1620 Fax 925-798-1622 <br /> htto//www mccampbell com E-maul matn@mccampbell corn <br /> I <br /> I• <br /> QC REPORT <br /> VOCs (EPA 824018260) <br /> Date 10125101-10/26101 Extraction NIA Matrix Water <br /> Concentration ug/L %Recovery <br /> Compound Amount RPD <br /> Sample MS MSD Spiked MS MSD <br /> SamplelD 102301 Instrument GC-10 <br /> Surrogate ND 1070 980 10000 107 98 88 <br /> tert-Amyl Methyl Ether ND 97 96 1000 97 96 1 0 <br /> Methyl tent-Butyl Ether ND 84 86 1000 84 86 24 <br /> Ethyl tert-Butyl Ether ND 84 83 1000 84 83 12 <br /> Di-isopropyl Ether ND 89 90 1000 89 90 1 1 <br /> Toluene ND 108 109 1000 108 109 09 <br /> Benzene ND 100 102 10 00 100 102 2 0 <br /> • Chlorobenzene ND 103 104 1000 103 104 1 0 <br /> Tnchloroethane ND 72 72 1000 72 72 00 <br /> 1,1-Dichioroethene ND 7 3 7 6 1000 73 76 4 0 <br /> AIS—Sample <br /> i&Re coveiy= AmauniSprked t00 <br /> �'�JA&D) <br /> RFD- 2 100 <br /> I 'I9+A4YD) <br /> RPD means Relative Percent De+nation <br />