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J ' <br /> if <br /> Report Number 27476 <br /> QC Report Matrix Spike/Matrix Spike Duplicate I Date 7/20/2002 <br /> Project Name Ranch Market-3Q02 <br /> Project Number 770T.43627.00 0001 <br /> 1 Duplicate Spiked <br /> Ii Duplicate Spiked Spiked Sample Relative <br /> Spike i Spiked, Spiked Sample Sample Relative Percent Percent <br /> Spiked Sample Spike Dup Sample Sample Analysis Date Percent Percent Percent Recov Diff <br /> Parameter Sample Value Level Level Value 11 Value Units Method Analyzed Recov Recov Diff Limit Limit <br /> Benzene 27476-11 0 51 200 199 210 6 21 1 uglL EPA 8260B 7/17102 101 103 255 70-130 25 <br /> Toluene 27476-11 077 200 199 11,96 -203 ug/L EPA 82606 7117102 94 5 982 375 70-130 25 <br /> Tert-Butanof 27476-11 <5 0 998 996 ii 965 975 ug/L EPA 82606 7117102 96 7 97 9 1 28 70-130 25 <br /> Methyl-t-Butyl Ether 27476-11 <0 50 200 199 +' 2If0 4 206 ug/L EPA 8260B 7117102 102 103 1'39 70-130 25 <br /> � k <br /> Benzene 27447-09 <0 50 400 400 444 0 432 ug/L EPA 8260B 7115102 110 1108 1 79 70-130 25 <br /> Toluene 27447-09 <0 50 400 400 411132 418 ug/L EPA 82606 7115102 108 104 3 51 70-130 25 <br /> Tert-Butanol 27447-09 <5 0 200 200 202 205 ug/L EPA 8260B 7115102 101 103 1 80 70-130 25 <br /> Methyl-t-Butyl Ether 27447-09 <0 50 400 400 i 366 357 ug/L EPA 8260B 7115102 91 5 892 2 52 70-130 25 <br /> I{ <br /> Ir 111 h <br /> { <br /> �I <br /> 1 � r <br /> I <br /> ' t <br /> Approved By Ji el Kiff <br /> f KIFF ANALYTICAL, LLC r = <br /> 720,01ivef Dnvfe, Suite D s, CA 95616 530-297-4800 , <br /> I'f f <br />