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110 2nd Avenue Soutty#D7 Pacheco CA 94553-5560 ' <br /> McCampbell Analytical, Inc. Telephone 925 799-1620 fax 925-799-1622 <br /> Website www mecampbell corn E-mail main@riccampbell corn <br /> QC SUMMARY REPORT FOR SW8021B/8015Cm <br /> Matrix W WorkOrder 0404203 <br /> EPA Method SW8021BI8015Cm Extraction SW5030B BatchlD 11121 Spiked Sample ID 0404210-004B <br /> Sample Spiked MS* MSD* MS-MSD* LCS LCSD LCS-LCSD Acceptance Criteria(%) <br /> pg/L }tg/L %Rec %Rec % RPD %Rec %Rec %RPD Low High 4 <br /> TPH(btex)£ ND 60 103 997 335 106 102 377 70 130 j <br /> MTBE ND 10 101 962 451 102 100 1 85 70 130 <br /> Benzene ND 10 108 110 232 101 106 541 70 130 <br /> Toluene ND 10 101 102 1 39 858 91 1 599 70 130 <br /> Ethylhenzene _ ND 10 107 965 104 106 111 —5 12 70 I 130 <br /> Xylenes W ND 30 95 7 967 104 96 100_ 408 - 70 130 <br /> %SS 103 10 107 106 0 712 983 103 431 70 130 <br /> All target compounds In the Method Blank of this extraction batch were ND less than the method RL with the fallowing exceptions <br /> NONE <br /> MS=Matnx Spike MSD=Matrix Spike Duplicate LCS=Laboratory Control Sample LCSD=Laboratory Control Sample Duplicate RPD=Relative Percent <br /> Deviation <br /> Recovery=100*(MS-Sample)!(Amount Spiked),RPD=100*(MS- MSD)1((MS+MSD)12) <br /> *MS and J 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 /> £TPH(btex)=sum of 6TEX areas from the FID <br /> #cluttered chromatogram sample peak coelutes with surrogate peak <br /> NIA=not enough sample to perform matrix spike and matrix spike duplicate <br /> NR=analyte concentration in sample exceeds spike amount for soil matnx or exceeds 2x spike amount for water matnx or sample diluted due to high matrix or <br /> analyl content <br /> DHS Certification No 1644 QA/QC Officer <br />