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3B <br /> SOIL VOLATILE MATRIX SPIKE/MATRIX SPIKE DUPLICATE RECOVERY <br /> Lab Name: PAN-AG ENVIRO LABS Contract: <br />' Project No.: Site: Location: Group: <br /> Matrix Spike - Sample No.: 397-9502-1347 Level: (low/med) IOW <br /> SPIKE SAMPLE MS MS QC. <br /> ADDED CONCENTRATION CONCENTRATION % LIMITS <br /> COMPOUND (ug/Kg) (ug/Kg) (ug/Kg) REC # REC. <br /> Benzene 50 0 42 84 (59-172) <br /> IToluene 50 0 43 86 (66-142) <br /> thylbenzene 50 0 - 41 82 (62-137) <br /> Total Xylenes 150 0 128 85 59-139) <br /> MSPIKE MSD MS <br /> ADDED CONCENTRATION % 70 QC LIMITS <br /> COMPOUND (ug/Kg) (ug/Kg) REC # RPD # RPD REC. <br /> Benzene 50 36 72 16 22 (59-172) <br /> Toluene 50 37 73 16 21 (66-142) <br /> Ethylbenzene 50 34 6$ 1 19 . 1 24 (62-137) <br /> Total Xylenes 150 108 72 17 21 (59-139) <br />' # CoIumn to be used to flag recovery and RPD values with an asterisk <br /> * Values outside of QC limits <br /> RPD: 0 out of 5 outside limits <br /> Spike Recovery: 0 out of 10 outside limits <br /> Comments: Method : 8020 <br /> • <br />' FORM III VOA-2 3/90 <br /> G. I I <br />