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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 /> A# I Website www mccampbell com E-mail main®mccairipbell com <br /> . QC SUMMARY REPORT FOR SW8021BI8015Cm <br /> IW O Sample Matrix Water QC Matrix Water WorkOrder 0503533 <br /> EPA Method SW13021B111015Cm Extraction 8W5030B BatchlD 15652 Spiked Sample ID 0503531-002A <br /> Sample Spiked MSMSD" MS-MSD' LCS LCSD LCS-LCSD Acceptance Criteria <br /> Analyte (%) <br /> pg/L pglL %Rec %Rec %RPD %Rec % Rec t37 <br /> t-1 <br /> LCS/LCSD <br /> ITPH(btex)C ND 60 923 945 230 974 99 8 70- 130 <br /> MTBE ND 10 102 100 1 49 983 912 70- 130 <br /> BenzeneND 10 107 109 1 28 108 101 705 70-130 70- 130 <br /> Toluene ND 10 100 1 102 1 225 103 102 1 37 70- 130 70-130 <br /> Ethylbenzene ND 10 101 103 277 107 105 208 70-130 70- 130 <br />' Xylenes ND 30 86 903 491 95 95 3 0 350 70- 130 70- 130 <br /> %SS Ito l0 117 115 1 84 112 106 542 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 /> BATCH 156.52 SUMMARY <br />' Sample ID Date Sampled Date Extracted Date Analyzed Sample ID Date Sampled Date Extracted Date Analyzed <br /> 503533-001A 3/29/05 10 45 AM 4102105 7 19 AM 4/02105 7 19 AM <br /> 1 <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)12) <br /> MS 1 MSD spike recoveries and/or%RP❑may fall outside of laboratory acceptance crilena due to one or more of the following reasons a)the sample is inhomogenous <br /> AND contains significant concentrations of analyte relative to the amount spiked or b)the spiked sample's matnx interferes With the spike recovery <br />' E TPH(btex)=sum of STEX areas from the FID <br /> #NR <br /> cluttered chromatogram sample peak coelutes with surrogale peak <br /> /A=not applicable or not enough sample to perform matrix spike and matrix spike duplicate <br />' =analyte concentration in samle exceeds s ike amount for soil matrix or exceeds 2x s ike amount for water matrix or sam le diluted due hi In matrix or anal a content <br /> DHS Cerhficatlon No 1644 QA/QC Officer <br />