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I110 2nd Ave South,#D7,Pacheco,CA 94553-5560 <br /> MCCAMPBELL ANALYTICAL INC Telephone 925-798-1620 Fax 925-798-1622 <br /> hM//www mccamobell c!2 E-mail main@mccampbeIl cam <br /> I <br /> QC REPORT <br /> VOCs (EPA 824018260) <br /> IDate 09125/00-09126/00 Matrix Water <br /> Extraction NIA <br />' Concentration ug/L %Recovery <br /> Compound Amount ( RPD <br /> ISample MS MSD I Spiked IMS MSD <br /> SampielD 93000 Instrument CC-4 <br /> I r <br /> I Surrogate 0 000 970 990 10000 97 99 20 <br /> tert-Amyl Methyl Ether 0 000 940 930 10000 94 93 1 1 j <br /> Methyl Cert-Butyl Ether 0 000 960 92 0 10000 96 92 43 <br /> Ethyl tert-Butyl Ether 0 000 950 950 10000 95 95 00 <br /> Di-isopropyl Ether 0 000 940 96 0 1 10000 94 96 21 <br /> ' Surrogate I 0 000 1020 900 10000 I� 102 90 (I 125 <br /> Tolune 0 000 900 890 100 00 90 89 1 1 <br /> Benzene 0 000 870 970 10000 87 97 109 14 <br /> Chlorobenzene 0 000 820 72 0 10000 82 72 I 130 <br /> I Trichloroethane 0 000 930 95 0 10000 93 95 2 1 <br /> r <br /> 1,1-Dichioroethene 0 000 800 830 10000 80 83 37 <br /> I <br /> Y. <br /> I <br /> I <br /> I <br /> I Recovery MS—Sample} <br /> - �imouadprked la0 <br /> MS—MSD <br /> I RPD= 2100 <br /> MS+MSD <br /> RPD means Relative Percent Devnadon <br />