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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 /> hqV//www mcemmpbell co m E-mail main@mccampbell cam <br /> • QC REPORT <br /> ' VOCs EPA 8240/8260 <br /> ' Date 04/23101-04124/01 Matrix Water <br /> Extraction NIA <br /> I <br /> Concentration ugly %Recovery 4 <br /> Compound' Amount MS MStD RPD Sample M5 MSE) Spiked <br /> SampielD 42001 Instrument GC-10 <br /> ' Surrogate 0 000 1010 1000 100 00 101 100 1 0 <br /> tert-Amyl Methyl Ether 0 000 850 870 ;j 10000 85 87 I 23 <br /> Methyl tert Butyi Ether 0 000 840 860 10000 84 86 ! 24 f <br /> ' ; Ethyl tert-Butyl Ether 0 000 920 930 10000 92 93 j 1 1 <br /> Di-isopropyl Ether I 000o 91 0 940 10000 91 94 32 <br /> ' Toluene 0 000 1020 1030 10000 1 102 103 1 0 <br /> Benzene j 0 000 960 98 0 I 1000o II 96 98 21 <br /> ' • ; Chlorobenzene 0 000 1050 1070 j 10000 105 107 1 9 <br /> Trichloroethane I 0 000 730 75 0 i' 10000 �� 73 75 27 <br /> i 1,1-Dichloroethene 0 000 890 920 „ 100 00 89 92 33 ' <br /> 1 <br /> 1 <br /> 1 <br /> • <br /> ' <br /> (Ms—sample) <br /> 5 Recovery= Am°unrSpiked 100 <br /> MS—MSD <br /> RPI]= 2106 <br /> ' (MS+MSD) <br /> RPD means Relative Percent Deviation <br />