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1534 Willow Pass Road,Pittsburg,CA 94565-1701 <br /> ® McCampbell Analytical, Inc. Toll Free Telephone:(877)252-9262/Fac(925)252-9269 <br /> "When Quality Counts" I http://www.mccampbcO.com/E-med:main@mccampbelLcom <br /> QC SUMMARY REPORT FOR SW8021B/8015Bm <br /> W.O.Sample Matrix: Water QC Matrix: Water BatchlD:80764 WorkOrder: 1308623 <br /> EPA Method: SW8021BI8015Bm Extraction: SW5030B Spiked Sample ID: 1308628-001A <br /> Analyte Sample Spiked MS MSD MS-MSD LCS Acceptance Criteria(eh) <br /> pg/L pg/L %Rec. %Rec. %RPD %Rec. MS/MSD RPD LCS <br /> TPH(btex)£ ND 60 102 98.5 3.05 98.2 70-130 20 70-130 <br /> MTBE NO 10 113 114 1.27 108 70-130 20 70-130 <br /> Benzene ND 10 106 107 0.447 101 70-130 20 70-130 <br /> Toluene ND 10 107 108 0.841 103 70-130 20 70-130 <br /> Ethylbenzene ND 10 106 109 2.56 104 70-130 20 70-130 <br /> Xylenes ND 30 108 111 3.04 1 105 70-130 20 70-130 <br /> %SS: 93 10 94 100 6.13 1 94 70-130 20 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 /> NONE <br /> BATCH 80764 SUMMARY <br /> Lab ID Date Sampled Date Extracted Date Analyzed Lab ID Date Sampled Date Extracted Date Analyzed <br /> 1308623-001A 08/15/13 9:15 AM 08/19/13 08/19113111.05PM 1308623-002A 08/15/13 10:50 AM 08/19/13 08/19/13 11:34 PM <br /> 1308623-003A 08/15/1310:05 AM 08/20/13 0820/1312:05 AM <br /> MS=Matrix Spike;MSD=Matrix Spike Duplicate;LCS=Laboratory Control Sample;-CSD=Laboratory Control Sample Duplicate;RPD=Relative Percent Deviation. <br /> %Recovery=100'(MS-Sample)/(Amount Spiked);RPD=100-(MS- MSD)/((MS t MSD)/2). <br /> 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 <br /> significant concentrations of analyte relative to the amount spiked,or b)the spiked sample's matrix interferes with the spike recovery. <br /> £TPH(blex)=sum of BTEX areas from the FID. <br /> #cluttered chromatogram;sample peak ocelutes with surrogate peak. <br /> N/A=not enough sample to perform matrix spike and matrix spike duplicate. <br /> 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 <br /> or anal a content,or inconsistency in sample containers. <br /> CDPH ELAP 16441 NELAP 12283CA QA/QC Officer <br /> Page 11 of 12 <br />