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' 110 2nd Ave South,#D7,Pacheco,CA 94553-5560 <br /> 7MCAMPBELL ANALYTICAL INC telephone 925-798-1620 Hax 925-798-1622 <br /> hup llwww mecampbell com F-mail matn@mccampbcll corn <br /> 1 <br /> QC REPORT <br />' VOCs (EPA 824018260) <br /> 1 <br /> Date 12/27/01 Extraction NIA Matrix Water <br /> Concentration ug/L %Recovery <br /> Compound Amount T RPD <br /> - - Sample MS — MSD ' MS MSD --- <br /> —4 Spiked -�— <br /> SamplelD 122601 Instrument GC-10 <br /> Surrogate ND _ 1030 104 0 100 00 103 104 10 I� <br /> tert-Amyl Methyl Ether ND 81 82 , 1000 81 82 12 <br /> Methyl tert-Butyl Ether ND 86 86 1000 86 86 00 <br /> Ethyl tert-Butyl Ether ND 90 92 1000 90 92 22 <br /> Di-Isopropyl Ether ND 95 98 1000 95 98 31 <br />' Surrogate -------- ND 1030 ---104 0 10000 _ 103 104 10 TF <br /> Toluene ND 89 90 1000 �� 89 <br /> IBenzene ND 101 103 1000 101 - 103 20 <br /> Chlorobenzene ND 9 2 9 3 I 1000 92 93 1 1 <br /> Trichloroethene _ ND 7 9 8 1 1000 79 81 25 <br /> 11-Dichloroethene ND 8 3 8 3 1000 1 83 83 00 <br /> I %Recovery= AmnvnlSprked 100 <br /> (� —MSD <br /> RPU= 2100 <br /> I (MS+A48D) <br /> RPD mean Relative Pcment Deviation <br />