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I 3B <br /> WATER 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 355-9501-1147 <br /> I <br /> SPIKE SAMPLE MS MS QC <br /> ADDED CONCENTRATION CONCENTRATION % LIMITS <br /> COMPOUND (ug/L) (ug/L) (ug/L) REC # REC <br /> Benzene 5 0 50 93 87 59-172) <br /> Toluene 5 0 1 6 6 2 91 66-142) <br /> Ethylbenzene 5 0 0 7 5 1 89 (62-137) <br /> Total Xylenes 15 0 1 6 15 3 91 59-139} <br /> I <br /> SPIKE MSD MS <br /> ADDED CONCENTRATION QC LIMITS <br /> COMPOUND (up-/L) (ug/L) REC # RPD = RPD REC <br /> Benzene 5 0 8 5 85 ; 22 (59-172) <br /> Toluene 5 0 5 6 8.1 9 21 (66-142) <br /> Ethylbenzene 5—o 4 7 82 8 24 {62-137} <br /> otal Xylenes 150 14 2 85 7 21 (59-139) <br /> # Column to be used to flag recovery and RPD values with an asterisk <br /> * Values outside of QC limits <br /> IRPD 0 out of 5 outside limits <br /> Spike Recovery 0 out of 10 outside limits <br /> Comments Method 8020 <br /> FORM III VOA-2 3190 <br /> 0 � <br />