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1 1 4 4 1 t L � L.»r L •. t� _ w� 1 i... � __•_ v .. • i '" _ __a _` � �_ v _. �...� ._ ... - - � - 110 2nd Avenue South,4137 Pacheco CA 94553-5560 McCampbell Analytical Inc Telephone 925 798-1620 Fax 925-798-1622 ' h Ilwww ince bell corn E mail T=m@=canjpbcjj com ' QC SUMMARY REPORT FOR SW8021R/8015Cm Matrix W WorkOrder 0306568 ' EPA Method SW8021B/8015Cm Extraction SW5030B BatchlD 7546 Spiked Sample ID 0306565-011A Sample Spiked MS* MSD* qRPD LCS LCSD LCS-LCSD Acceptance Criteria (%) ' Ng/L pg/L % Ree % Rec % Rec %Rec %RPD Low High TPH(btex)F ND 60 101 998 100 105 489 70 130 ' MTBE ND 10 881 874 0 795 875 88 0 562 70 130 Benzene ND 10 88 867 1 50 909 87 8 347 70 130 Toluene ND 10 947 942 0 486 983 95 1 331 70 130 Ethylbenzene ND 10 102 101 0312 105 103 261 70 130 Xylenes ND 30 107 107 0 107 107 0 70 130 ' %SS 105 100 101 100 0 681 102 102 0 70 130 All target compounds In the Method Blank of this extraction batch were ND less than the method RL with the following exceptions NONE t r MS=Matnx Spike MSD=Matrix Spike Duplicate LCS=Laboratory Control Sample,LCSD=Laboratory Control Sample Duplicate RPD=Relative Percent Deviation %Recovery=100'(MS-Sample)/(Amount Spiked) RPD=100*(MS—MSD)/(MS+MSD)*2 *MS and 1 or MSD spike recovenes may not be near 100 °or the RPDs near 0%if a)the sample is inhomogenous AND contains significant concentrations of analyte relative to the amount spiked or b)if that specific sample matrix interferes with spike recovery £TPH(btex)=sum of BTEX areas from the FID I #Guttered chromatogram sample peak coelutes with surrogate peak NIA=not enough sample to perform matrix spike and matrix spike duplicate NR=analyte concentration in sample exceeds spike amount for sod matrix or exceeds 2x spike amount for water matrix or sample diluted due to high matrix or analyte content I