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I110 2nd Ave South,#D7,Pacheco,CA 94553-5560 <br /> MCCAWBELL ANALYTICAL INC Telephone 925-798-1620 Fax 925-798-1622 <br /> IliM211www mccamnbell cold E-mail marn@mccampbell com <br /> • <br /> QC REPORT _ <br /> VOCs (EPA 8240/8260) <br /> IDate 04126100-04127100 Matrix Water <br /> Extraction NIA <br />' Concentration ug1L %Recovery <br /> Compound Amount RPD <br /> Sample MS MSD Spiked MS MSD <br /> SamplelD 42100 Instrument GC-4 <br /> ISurrogate 0 000 1080 1120 10000 108 112 36 <br /> tort-Amyl Methyl Ether 0 000 1110 1150 10000 111 115 35 <br /> I Methyl tert-Butyl Ether 0 000 1120 1160 10000 112 116 35 <br /> Ethyl tert-Butyl Ether 0 000 1150 1150 1 10000 115 115 00 <br /> Di-isopropyl Ether 0 000 1080 1080 10000 108 108 00 <br /> Tolune 0 000 1150 1200 10000 115 120 43 <br /> Benzene 0 000 1130 1120 10000 113 112 I 0 9 <br /> • Chlorobenzene 0 000 1130 1160 10000 113 116 2 6 <br /> Trichloroethane 0 000 1050 1070 10000 11 105 107 1 9 <br /> 1,1-Dichloroethene 0 000 1200 1160 10000 120 116 34 <br /> %Recovery= Antoun1Sp,ked 100 <br /> MS—MSD <br /> RPD= 2100 <br /> MS rMSD) <br /> RPD means Relative Percent Deviation <br />