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_._.• 1534 Willow Pass Road,A. CA 94565-1701 M c C a m p b e I l A n a l y1 I c a l, I n c. Toll Free Telephone:(877)252-9262/Fax:(925)252-9269 "When Quality Counts" http://www.mccampbell.com/E-mail:main@mccampbeg.com QC SUMMARY REPORT FOR SW8021B/8015Bm W.O.Sample Matrix: Water OC Matrix: Water BatchlD:79242 WorkOrder: 1307227 EPA Method: SW8021B/8015Bm Extraction: SW5030B Spiked Sample ID: 1307246-001A Analyte Sample Spiked MS MSD MS-MSD LCS Acceptance Criteria(%) Ng/L pg/L %Rec. %Rec. %RPD %Rec. MS/MSD RPD LCS TPH(btex)£ ND 60 100 102 1.70 96.2 70-130 20 70-130 MTBE ND 10 101 107 5.47 108 70-130 20 70-130 Benzene ND 10 102 102 0 101 70-130 20 70-130 Toluene ND 10 105 104 0.518 104 70-130 20 70-130 Ethylbenzene ND 10 105 105 0 104 70-130 20 70-130 Xylenes ND 30 107 105 1.27 106 70-130 20 70-130 %SS: 106 10 102 103 0.463 104 70-130 20 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 BATCH 79242 SUMMARY Lab ID Date Sampled Date Extracted Date Analyzed Lab ID Date Sampled Date Extracted Date Analyzed 1307227-004A 07/08/13 8:35 AM 07/11/13 07/11/13 7:33 PM 1307227-009A 07/08/13 11:45 AM 07/10/13 07/10/13 10:25 PM 1307227-015A 07/08/13 1:20 PM 07/10/13 07/10/13 6:22 PM 1307227-019A 07/08/13 3:08 PM 07/10/13 07/10/13 7:24 PM 1307227-023A 07/08/13 4:55 PM 07/10/13 07/10/13 7:55 PM 1307227-027A 07/08/13 3:25 PM 07/10/13 07/10/13 10:55 PM MS=Matrix Spike;MSD=Matrix Spike Duplicate;LCS=Laboratory Control Sample;LCSD=Laboratory Control Sample Duplicate;RPD=Relative Percent Deviation. %Recovery=100'(MS-Sample)/(Amount Spiked);RPD=100'(MS- MSD)/((MS+MSD)/2). MS/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 analyte 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. N/A=not enough sample to perform matrix spike and matrix spike duplicate. NR=matrix interference and/or 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 analyte content,or inconsistency in sample containers. CDPH ELAP 1644♦NELAP 12283CA QA/QC Officer Page 13 of 14