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1 110 2nd Avenue South #D7 Pacheco,CA 94553-5560 <br /> McCa.mpbell Analytical Inc Telephone 925 798-1620 Fax 925-798 1622 <br /> ' hup.//www mccampbell com E mai] macn@Fnccampbell coca <br /> QC SUMMARY REPORT FOR SW8021B/8015Cm <br /> Matrix W WorkOrder 0212022 <br /> ' EPA Method SW8021B/8015Cm Extraction SW5030B BatchlD 5119 Spiked Sample ID 0212019-001A <br /> Sample Spiked MS* MSD* MS-MSD* LCS LCSD LCS-LCSD Acceptance Criteria(%) <br /> Compound -- - - - <br /> ' pg/L Ng/L % Rec %Rec %RPD %Rec %Rec ' %RPD Low High <br /> TPH(gas) ND 60 102 101 0 572 105 107 2 13 s0 120 <br /> MTBE ND 10 909 93 221 886 91 8 362 80 120f l <br /> ' Benzene ND 10 94 965 266 100 104 345 80 120 <br /> Toluene ND 10 100 101 0 916 94 995 5 72 80 120 <br /> Ethylbenzene ND 10 104 105 0 597 983 100 1 88 80 120 <br /> Xylenes ND 30 103 100 328 933 967 3 51 80 120 <br /> ' %SS 105 100 100 998 0715 983 106 759 80 120 <br /> All target compounds in the Method Blank of this extraction batch were ND less than the method RL with the following exceptions <br /> ' NONE <br /> lie <br /> MS=Matrix Spike MSD=Matrix Spike Duplicate LCS=Laboratory Control Sample LCSD=Laboratory Control Sample Duplicate RPD=Relative Percent <br /> ' Deviation <br /> N/A=not enough sample to perform matrix spike and matrix spike duplicate <br /> NR=analyte concentration in sample exceeds spike amount for soil matrix or exceeds 2x spike amount for water matrix or sample diluted due to high matrix or <br /> anaiyte content <br /> ' %Recovery=100*(MS Sample)/(Amount Spiked) RPD=100*(MS—MSD)!(MS+MSD)•2 <br /> MS and I or MSD spike recoveries may not be near 100° or the RPDs near 0%if a)the sample is mhomogenous AND contains significant concentrations of <br /> ' analyte relative to the amount spiked,or b)if that specific sample matrix interferes with spike recovery <br />