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110 2nd Avenue South,#D7 Pacheco CA 94553 5560 <br /> McCampbell Analytical, Inc. Telephone 925-798-1620 Fax 925-79R-1622 <br /> Website www mccampbell com E-mail main®mccampbell coin <br /> QC SUMMARY REPORT FOR SW8021B/8015Cm <br /> W O Sample Matrix Air QC Matrix Water WorkOrder 0509191 <br /> EPAMethod SW8021B/8015CM Extraction SW5030B BatchlD 17924 Spiked Sample ID 0509192-002A <br /> Analyte Sample Spiked MS MSD MS-MSD LCS LCSD LCS-LCSD Acceptance Criteria(%) <br /> pg/L lig/L %Rec %Rec % RPD %Rec % Rec %,RPD MS/MSD LCS!LCSD <br /> TPH(btex)E ND 60 105 106 0 588 108 106 1 36 70- 130 70- 130 <br /> MTBE ND 10 887 972 9 13 93 954 2 56 70- 130 70- 130 <br /> Benzene ND 10 90 1 92 3 242 92 5 958 352 70- 130 70- 130 <br /> Toluene ND 10 91 8 93 5 192 938 965 286 70- 130 I 70- 130 <br /> Ethylbenzene ND 10 92 3 94 5 237 949 96 1 16 70- 130 70- 130 <br /> Xylenes ND 30 947 947 0 953 99 3 4 11 70- 130 70- 130 <br /> %SS 112 10 97 96 126 96 96 0 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 17924 SUMMARY <br /> Sample ID Date Sampled Date Extracted Date Analyzed Sample ID Date Sampled Date Extracted Date Analyzed <br /> J0509191-001A 9/08/05 4 00 PM 9/10/05 9/10/05 7 21 AM I 0509191-002A 9/08/05 6 00 PM 9110105 _�-9/10/05 6 48 AM <br /> i <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)1((MS+MSD)12) <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 /> O[NIA <br /> cluttered chromatogram sample peak coelutes with surrogate peak <br /> =not enough sample to perform matrix spike and matrix spike duplicate <br /> R=anap concentration in sample exceeds spike amount for soil matnx or exceeds 2x spike amount for water matrix or sample diluted due to high matrix or analyte content <br /> DHS CerttficatlonNo 1644 QA/QC Officer <br />