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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.com <br /> QC SUMMARY REPORT FOR SW8021B/8015Cm <br /> W.O.Sample Matrix: Soil QC Matrix: Soil WorkOrder: 0505326 <br /> EPA Method: SW8021B/8015Cm Extraction: SW5030B BatchlD:16328 Spiked Sample ID: 0505350-002A <br /> Analyte Sample Spiked MS MSD MS-MSD LCS LCSD LCS-LCSD Acceptance Criteria(%) <br /> mg/Kg mg/Kg %Rec. %Rec. %RPD %Rec. %Rec. %RPD MS/MSD LCS/LCSD <br /> TPH(btex)£ ND 0.60 98.3 99.5 1.20 96.7 96 0.711 70-130 70-130 <br /> MTBE ND 0.10 95 94.3 0.737 91.1 98.6 7.92 70-130 70-130 <br /> Benzene ND 0.10 101 99.5 1.93 98.8 106 6.71 70-130 70-130 <br /> Toluene ND 0.10 83.2 82.6 0.827 84 85.6 1.90 70-130 70-130 <br /> Ethylbenzene ND 0.10 103 103 0 104 105 0.607 70-130 70-130 <br /> Xylenes ND 0.30 91.3 90.7 0.733 91.3 95 3.94 70-130 70-130 <br /> %SS: 108 0.10 110 93 17.0 89 109 20.5 70-130 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 /> NONE <br /> i <br /> BATCH 16328 SUMMARY <br /> Sample ID Date Sampled Date Extracted Date Analyzed Sample ID Date Sampled Date Extracted Date Analyzed <br /> 0505326-002A 5/16/05 5/23/05 5/23/05 11:28 PM 0505326-003A 5/16/05 5/23/05 5/24/05 12:01 AM <br /> 0505326-004A 5/16/05 5/23/05 5/24/05 12:33 AM 0505326-005A 5/16/05 5/23/05 5/24/05 2:12 AM <br /> 0505326-006A 5/16/05 5/23/05 5/24/05 2:44 AM 0505326-007A 5/16/05 5/23/05 5/24/05 8:44 AM <br /> MS=Matrix Spike;MSD=Matrix Spike Duplicate;LCS=Laboratory Control Sample;LCSD=Laboratory Control Sample Duplicate;RPD=Relative Percent Deviation. <br /> %Recovery=100'(MS-Sample)/(Amount Spiked);RPD=100'(MS- MSD)/((MS+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 <br /> contains significant concentrations of analyte relative to the amount spiked,or b)the spiked sample's matrix interferes with the spike recovery. <br /> E TPH(btex)=sum of BTEX areas from the FID. <br /> #cluttered chromatogram;sample peak coelutes with surrogate peak. <br /> N/A=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 2x spike amount for water matrix or sample diluted due to high matrix or analyte content. <br /> DHS Certification No. 1644 QA/QC Officer <br />