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1 <br /> 110 2nd Avenue South #D7 Pacheco CA 94553 5560 <br /> McCampbell Analytical, Inc. Telephone 925 798.1620 Fax 925.798 1622 <br />' Website www mccampbell com E mail main®mccampbell corn <br /> • QC SUMMARY REPORT FOR SW8021B/8015Cm <br /> W O Sample Matrix Water QC Matrix Water WorkOrder 0412541 <br />' BPA Method SW8021B/8015Cm Extraction SW5030B SatchlD 14506 Spiked Sample ID 0412545-001A <br /> Analyte Sample Spiked MS' MSD' MS-MSD' LCS LCSD LCS-LCSD Acceptance Cnteria(%) <br />' pg/L pg/L % Rec % Rec % RPD % Rec % Rec %RPD MS/MSD LCS 1 LCSD <br /> TPH(btex) ND 60 97 987 1 76 91 6 892 272 70-130 70- 130 <br />' MTBE ND 10 97 1 964 0 686 987 979 0 769 70-130 70- 130 <br /> Benzene ND 10 101 103 1 90 109 107 227 70- 130 70-130 <br />' Toluene ND 10 100 103 248 100 989 157 70- 130 70-130 <br /> Ethylbenzene ND 10 105 106 1 56 108 105 294 70- 130 70- 130 <br /> Xylenes ND 30 91 3 95 394 100 100 0 70-130 70- 130 <br />' %SS 107 10 109 110 1 02 111 113 1 79 70-130 70-130 <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 /> i <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)/2) <br /> 'MS I MSD spike recoveries and/or°/RPD may fall outside of laboratory acceptance crdena due to one or more of the following reasons a)the sample is <br /> inhomogenous AND contains signLficant concentrations of analyte relative to the amount spiked or b)the spiked sample's matrix interferes with the spike recovery <br /> £TPH(btex)=sum of BTEX areas from the FID <br /> #cluttered chromatogram sample peak coelutes with surrogate peak <br /> NIA=not applicable or 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 /> janalyle content <br /> DHS Certification No 1644 QA/QC Officer <br />