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Inc. 10 2nd Avenue South,#D7 Pacheco CA 94553-5560 <br /> McCampbeIll Analytical, Telephone 925 798-1620 Fax 925 798-1622 <br /> Website www niccampbell cam E marl mai aQmccampbell com <br /> QC SUMMARY REPORT FOR SW8021B18015Cm <br /> W O Sample Matrix Water QC Matrix Water WorkOrder 0507002 <br /> EPA Method SW80211318015Cm Extraction SW5030B BatchiD 16950 Spiked Sample ID 0506584-014A <br /> Sample Spiked MS MSD MS-MSD LCS LCSD LCS-LCSD Acceptance Criteria(%) <br /> Analyte <br /> pg/L pg1L %Rec %Rec % RPD %Rec % Rec % RPD MS 1 MSD LCS'L <br /> CSD <br /> TPH(btex)e ND 60 100 103 320 100 100 0 70- l30 70MTBE ND 10 907 93 247 992 96 3 26 70-130 70 <br /> Benzene ND 10 958 98 221 928 95 8 123 70-130 70- 130 <br /> Toluene ND 10 89 93 4 487 904 894 1 06 70-130 70-130 <br /> Ethylbenzene ND 10 965 102 527 938 977 407 70- 130 70- 130 <br /> Xylenes ND 30 92 967 495 91 3 96 498 70-130 70- 130 <br /> %SS 99 10 100 103 2 62 98 97 0 606 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 16950 SUMMARY <br /> ample IDDate Sampled Date Extracted Date Analyzed Sample ID Date Sampled Date Extracted Date Analyzed <br /> 0507002-001A 6130105 8 27 AM 7104105 7104/05 6 06 AM 0507002-002A 6130105 8 35 AM 7/04105 7/04/05 639 <br /> AM <br /> 0507002-003A 6130105 11 <br /> 00 AM 7104/05 7104/05 7 12 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)12) <br /> MS 1 MSD spike recoveries and/or%RPD may fall outside of laboratory acceptance critena 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 spsked or b)the Spiked sample's matrix interferes with the spike recovery <br /> £TPH(btex)=sum of BTEX areas from the FID <br /> cluttered chromatogram sample peak coelutes with surrogate peak <br /> NIA=not applicable or not enough sample to perform matrix spoke and matnx spike duplicate <br /> NR=anal a concentration in sam le exceeds s ike 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 />