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110 2nd Avenue South OD7 Pacheco CA 94553 5560 <br /> McCampbell Analytical Inc Telephone 925-798-1620 Fax 925-798-1622 <br /> http//www mucampbell coin E mat] ntam r@ucampbell coin <br /> . QC SUMMARY REPORT FOR SW8021B/8015Cm <br /> Matrix W WorkOrder 0209324 <br /> EPA Method SW8021 B/8015Cm Extraction SW6030B BatchtD 4075 Spiked Sample ID 0209327-002A <br /> Sample Spiked MS' MSD' MS-MSD" LCS LCSD LCS-LCSD Acceptance Criteria(%) <br /> Compound <br /> ' pg/L pg/L % Rec %Rec %RAD %Rec %Rec %RPD Low High <br /> TPH(gas) ND 60 928 915 141 118 987 175 80 120 <br /> ' MTBE ND 10 896 962 707 994 107 7 69 80 120 <br /> Benzene ND 10 902 888 153 93 6 992 5 84 80 120 <br /> Toluene ND 10 963 95 1 40 941 954 140 80 120 <br /> ' Ethylbenzene ND 10 101 101 0 546 97 7 100 2 52 80 120 <br /> Xylenes ND 30 100 99 7 0 334 93 3 967 3 51 80 120 <br /> %SS 95 7 100 985 987 0 165 96 7 995 288 80 120 <br /> All target compounds to the Method Blank of this extraction batch were ND less than the method RL with the following exceptions <br /> ' NONE, <br /> 1 <br /> MS=Matnx Spike MSD=Matnx Spike Duplicate LCS=Laboratory Control Sample LCSD=Laboratory Control Sample Duplicate RPD=Relative Percent <br /> ' Deviation <br /> NIA=not enough sample to perform matrix spike and matrix spike duplicate <br /> 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 <br /> ' analyte content <br /> %Recovery=100'(MS-Sample)/(Amount Spiked) RPD=100"(MS—MSD)I(MS+MSD).2 <br /> .MS and 1 or MSD spike recoveries may not be near 100%or the BPDs near 0%if a)the sample is inhomogenous AND contains significant concentrations of <br /> ' anal to relative to the amount spiked or b)if that specific sample matrix interferes with spike recovery <br />