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11�2�inTd—A-vTenue South 4D7 Pacheco CA 94553-5560 <br /> McCampbell Ana�y�lcat frit e 925-798-16211 Fax 925 79&1622 <br /> http// ampbell cpm Email main c)mccampbell coin -` T <br /> QC SUMMARY REPORT FOR SW8021B/8015Cm <br /> Matrix W WorkOrder 0212368 <br />' EPA Method SW80218/8015Cm Extraction SW5030B SatchlD 5417 Spiked Sample ID 0212369-011A <br /> Sample Spiked MS" MSD' MS-MSD" LCS LCSD LCS-LCSD Acceptance Criteria(%} <br /> Compound – ---- <br />' pg/L lig/L %Rec % Rec %RPD %Rec %Rec %RPD Low High <br /> TPH(gas) ND 60 922 102 ]Go 100 953 500 80 120 <br /> MTBE ND to 93 1 846 948 903 873 347 80 120 <br />' Benzene ND 10 112 102 972 86 2 886 282 80 120 <br /> Toluene ND 10 108 979 940 898 921 2 47 80 120 <br />' Ethylbenzene ND 10 102 992 277 864 88 2 2 06 80 120 <br /> Xylenes ND 30 96 7 967 0 90 943 470 80 120 <br />' %SS 106 100 i l8 103 13 3 88 6 85 5 3 56 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 /> 1 <br /> 1 <br /> 1 <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 sod matrix or exceeds 2x spike amount for water matnx or sample diluted due to high matrix or <br /> analyte 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 inhomogenous AND contains significant concentrations of <br /> analyte relative to the amount spiked,or b)if that specific sample matrix interferes with spike recovery <br />