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Report Number 25060 . <br /> QC Report • Matrix Spike/Matrix Spike Duplicate Date 3114102 <br /> Project Name FORMER BEACON #419 <br /> Protect Number 1419.45 <br /> Duplicate Spiked <br /> Duplicate Spiked Spiked Sample Relative <br /> Spike 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 Value Units Method Analyzed Recov Recov Diff Limit Limit <br /> Benzene 25042-02 <0 50 197 19 7 200 203 ug/L EPA 8260B 3111102 101 103 164 70-130 25 <br /> Toluene 25042-02 <0 50 197 197 206 207 ug/L EPA 8260E 3111/02 104 105 0 572 70-130 25 <br />'4 Tert-Butanol 25042-02 <5 0 98 6 98 4 93 8 91 5 ug1L EPA 82606 3111102 951 930 225 70-130 25 <br /> Methyl-t-Butyl Ether 25042-02 <0 50 197 197 172 166 ug/L EPA 82606 3111102 874 84 6 3 31 70-130 25 <br /> Benzene 25060-02 <0 50 400 400 432 41 3 ug/L EPA 82606 314102 108 103 4 57 70-130 25 <br /> Toluene 25060-02 <0 50 400 400 407 399 ug/L EPA 82606 314102 102 998 191 70-130 25 <br /> Tert-Butanol 25060-02 <50 200 200 221 213 ug/L EPA 8260B 314102 111 106 388 70-130 25 <br /> Methyl-t-Butyl Ether 25060-02 <0 50 400 400 376 348 ug/L EPA 8260B 314102 940 871 762 70-130 25 <br /> Benzene 25043-36 <0 50 400 400 408 385 ug/L EPA 8260E 314!02 102 964 570 70-130 25 <br /> Toluene 25043-36 <0 50 400 400 401 385 ug/L EPA 8260E 314102 100 962 4 12 70-130 25 <br /> Tert-Butanol 25043-36 <5 0 200 200 214 208 ug/L EPA 8260B 314102 107 104 300 70-130 25 <br /> Methyl-t-Butyl Ether 25043-36 <0 50 400 400 34 5 361 ug/L EPA 8260B 314102 864 902 436 70-130 25 <br /> Benzene 25050-02 <0 50 400 400 390 375 ug/L EPA 8260B 315102 974 937 3 84 70-130 25 <br /> Toluene 25050-02 <0 50 400 400 393 385 ug/L EPA 82606 315102 982 962 208 70-130 25 <br /> Tert-Butanol 25050-02 <5 0 200 200 199 202 ug/L EPA 82606 315102 99 5 101 1 61 70-130 25 <br /> Methyl-t-Butyl Ether 25050-02 <0 50 400 400 358 36 6 ug/L EPA 8260E 315102 896 916 218 70-130 25 <br /> Benzene 25001-01 <0 50 400 400 41 8 400 ug/L EPA 8260B 314102 104 100 4 35 70-130 25 <br /> Toluene 25001-01 <0 50 400 400 440 414 ug/L EPA 8260B 314102 110 103 602 70-130 25 <br /> Approved By J ' I Kiff <br /> KIV=F ANALYTICAL, LLC <br /> 720 Olive Drive, Suite D Davis, CA 95616 530-297-4800 <br />