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110 2nd Ave South,#D7,Pacheco,CA 94553-5560 <br /> 11 McCAMPBELL ANALYTICAL INC Telephone 925-798-I620 Fax 925-798-1622 <br /> http//www mccampbell coin E-mail main@mccampbell corn <br /> QC REPORT <br /> VOCs EPA 8240/8260 <br /> Date 09119101-09120101 Extraction EPA 5030 _ — Matrix Water <br /> Concentration ug1L %Recovery <br /> Compound I------ - — ____r - Amount�� --J; RPD <br /> Sample MS MSD SpikedMS MSD <br /> SamplelD 91801 Instrument GC-10 <br /> Surrogate ND 102 0 1020 10000 102 102 i 00 <br /> tert-Amyl Methyl Ether ND 106 103 1000 106 103 29 <br /> I Methyl tert-Butyl Ether ND 123 12 0—L-10 00 123 120 25 <br /> Ethyl tert-Butyl Ether ND 113 109 1 1000 113 109 3 6 <br /> Di-isopropyl Ether ND 11 5 113 1000 115 113 18 <br /> Toluene ND 92 T 90 10 00 92 90 22 <br /> Benzene ND 96 95 ! 1000 96 95 10 <br /> Chlorobenzene ND 93 92 10 00 r 93 l 92 1 1 <br /> T <br /> Trichloroethane ND 7 6 74 1000 I76 74 , 2 7 <br /> 1,1-Dichloroethene 9 3 � 0 <br /> ND T 95--- --93_i1 1000 95- 93 21 <br /> I <br /> I {MS-5aurple) <br /> 9b Recovery= AmounrSpiked l00 <br /> {MS—A�LSD) <br /> RPD= 2100 <br /> (ASS+MSD) <br /> RPD means Relative Percent DevlatLOn <br />