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{[ 1102nd Avenue South #D7 Pacheco CA 94553 5a60 <br /> McCampbell Analytical, Inc. Telephone 925 798 1620 Fax 925-798 1622 <br /> Website www mccampbe[t com E mail main@mccampbell cont <br /> QC SUMMARY REPORT FOR SW8021B18015Cm <br /> W O Sample Matrix Water OC Matrix Water WorkOrder 0605317 <br /> EPA Method SW8021B18015Cm Extraction SW50308 BatchlD 21701 Spiked Sample ID 0605317-004A <br /> Analyte Sample Spiked MS MSD MS-MSD LCS LCSD LCS-LCSD Acceptance Criteria(%) <br /> pglL pglL %RBC I %Rec % RPD %Rec %Rec % RPD MS 1 MSD LCS 1 LCSD <br /> TPH(btex)E ND 60 103 104 0 831 100 103 257 70- 130 70-130 <br /> MTBE ND 10 105 109 389 105 103 209 70- 130 70- 130 <br /> Benzene ND t0 101 103 1 54 103 98 9 3 69 70- 130 70- 130 <br /> Toluene ND 10 101 100 0 886 102 98 397 70- 130 70- 130 <br /> Ethylbenzene ND 10 100 102 179 101 100 0 618 70- 130 70- 130 <br /> Xylenes ND 30 95 3 993 4 11 95 98 7 379 70- 130 70-130 <br /> %SS 104 10 104 106 1 34 104 103 146 70- 130 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 /> BATQH 21701 SUMMARY <br /> Sample ID Date Sampled Date Extracted Date Analyzed Sample ID Date Sampled Date Extracted Date Analyzed <br /> 0605317-00 1A 5/15/06 11 20 AM 5117106 5117106 4 45 AM 0605317 002A 5115106 10 55 AM 5/17106 5/17106 10 03 PM <br /> 0605317-003A 511>/06 9 32 AM 5117106 5117106 5 15 AM 0605317 004A 5/15/06 8 30 AM 51[7/06 5117106 5 45 AM <br /> 0605317-005A 5/15/06 10 10 AM 5117106 5117/06 10 33 PM 0605317 006A 5/15106 9 00 AM 5117106 5117/06 8 13 AM <br /> MS=Matnx Spike MSD=Matrix Spike Duplicate LCS=Laboratory Control Sample LCSD=Laboratory Control Sample Duplicate RPD=Relative Percent Deviation <br /> %Recovery=100 (MS-Sample)I(Amount Spiked) RPD=100'(MS- MSD)I((MS+MSD)12) <br /> MS I MSD spike recoveries and I or%RPD may fall outside of laboratory acceptance cntena 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 main interferes with the spike recovery <br /> £TPH(btex)=sum of t3TEX areas from the FID <br /> #cluttered chromatogram sample peak coelutes with surrogate peak <br /> IA=not applicable or not enough sample to perform matrix spike and matrix spike duplicate <br /> NR=anal a 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 />