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I I O 2nd Avenue South,#D7 Pacheco,CA 94553 5560 McCampbell Analytical, Inc. Telephone 925-7984620 Fax 925-798-1622 ' Website www mccampbell com E mail mam@mccampbell com QC SUMMARY REPORT FOR SW8021B/8015Cm W O Sample Matrix Water QC Matrix Water WorkOrder 0412541 EPA Method SW8021B1801513m Extraction SW5030B BatchlD 14506 Spiked Sample ID 0412545-001A Analyte Sample Spiked MS* MSD* MS-MSD* LCS LCSD LCS-LCSD Acceptance Criteria(%} tpg1L pg1L % Rec %Rec % RPD %Rec % Rec %RPD MS 1 MSD LCS 1 LCSD TPH(btex)r= ND 60 97 987 176 91 6 892 272 70- 130 70-130 ' MTBE ND 10 97 1 964 0 686 987 979 0 769 70- 130 70-130 Benzene ND 10 101 103 190 109 107 2 27 70- 130 70-130 ' Toluene ND 10 100 103 248 100 98 9 1 57 70- 130 70-130 Ethylbenzene ND 10 105 106 1 56 108 105 2 94 70-130 70-130 Xylenes ND 30 91 3 95 394 100 100 0 70- 130 70-130 ' %SS 107 10 109 110 1 02 111 113 1 79 70- 130 70-130 All target compounds in the Method Blank of this extraction batch were ND less than the method RL with the following exceptions ' NONE 1 MS=Matrix Spike MSD=Matrix Spike Duplicate LCS=Laboratory Control Sample LCSD=Laboratory Control Sample Duplicate RPD=Relative Percent Deviation %Recovery=100'(MS-Sample)1(Amount Spiked) RPD=100*(MS- MSD)1((MS+MSD)1 2) *MS 1 MSD spike recoveries and!or%RPD may fall outside of laboratory acceptance criteria due to one or more of the following reasons a)the sample is inhomogenous AND contains significant concentrations of analyle relative to the amount spiked or b)the spiked sample's matrix interferes with the spike recovery £TPH(btex)=sum of BTEX areas from the FID #cluttered chromatogram sample peak coelutes with surrogate peak NIA=not applicable or not enough sample to perform matrix spike and matrix spike duplicate 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 janalyte content DHS Certification No 1644 QA/QC Officer I