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3B <br /> WATER VOLATILE MATRIX SPIKE/MATRIX SPIKE DUPLICATE RECOVERY <br />' Lab Name PAN-AG ENVIRO LABS Contract <br /> effect No Site Location Group <br /> Matrix Spike - Sample No 898-9508-6122 <br /> ' SPIKE SAMPLE MS MS QC <br /> ADDED CONCENTRATION CONCENTRATION % LIMITS <br /> COMPOUND (ug/L) (ug/L) (ug/L) REC # REC <br /> Benzene 50 00 3 6 72 (59-172) <br /> Toluene 50 00 46 91 (66-142) <br /> ' Ethylbenzene 50 00 4 5 89 (62-137) <br /> Total Xylenes 150 00 141 94 (59-139) <br /> SPIKE MSD MS <br /> ADDED CONCENTRATION % % QC LIMITS <br /> COMPOUND (ug/L) (ug/L) REC # RPD # RPD REC <br /> Benzene 5 0 1 44 87 20 22 (59-172) <br /> ' Toluene 5 0 4 5 90 1 21 (66-142) <br /> Ethylbenzene 50 45 89 0 24 (62-137) <br /> Total Xylenes 150 14 2 95 1 21 (59-139) <br /> # Column 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 /> 1 <br /> FORM III VOA-2 3190 <br /> '037 <br />