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110 2nd Avenue South #D7 Pacheco CA 945 5 3-51 60 <br /> McCamphell Analytical, Inc. Telephone 925-798-1620 rax 925 798-1622 <br /> Website www mccampbell coin E-mail maine mccamplZA- I <br /> ell corn <br /> {� QC SUMMARY REPORT FOR SW8021B18015Cm <br /> Matrix W WorkOrde r 0403245 <br /> EPA Method SW8021B/8015Cm Extraction SVV5030B BatchlD 10760 Spiked Sample tD 0403241-002A <br /> Sample Spiked MS' MSD* IMS-MSD LCS LCSD LCS-LCSD Acceptance Criteria(%) <br /> �pg/L pg1L %Rec % Rec %RPD %Rec %Rec %RPD Low High <br /> TPH(btex)£ ND 60 984 998 136 103 105 0983 70 130 <br /> MTBE - - - ND 10 96 887 785 108 100 - 726 70 130 -- <br /> Benzene ND 10 119 113 546 108 109 0651 70 130 <br /> Toluene ND 10 112 106 5 78 100 102 l 83 70 130 <br /> - -1 <br /> Ethylbenzene - ND 10 116 112 284 107 109 r 161 70 130 <br /> Xylenes ND T 30 103 100 - 328 997 997 0 70 130 <br /> %SS 895 10 111 - 105 1 569 102 102 i 0 1 70 130 <br /> All target compounds in the Method Blank of this extraction batch were ND less than the method RL with the following exceptions <br /> NONF <br /> MS=Matrix Spike MSD=Matrix Spike Duplicate LCS=Laboratory Control Sample LCSD=Laboratory Control Sample Duplicate RPD=Relative Percent <br /> Deviation <br /> %Recovery=100'(MS-Sample)I(Amount Spiked) RPD=100"(MS- MSD)1((MS+MSD)12) <br /> 'MS and 1 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 /> ana3yte relailve to the amount spiked or b)if that specific sample matrix interferes Wath spike recovery <br /> £TPH(btex)=sum of BTEX 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 matrix or exceeds lac spike amount for water matrix or sample diluted due to 1•igh matrix or <br /> analyte content <br /> DHS Certification No 1644 QAiQC Officer <br />