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I <br /> 110 2nd Avenue South,ND7,Pacheco CA 94553-5560 <br /> McCampbell Analytical, Inc. Telephone 925 798 1620 Fax 925-798 1622 <br /> IAj I Website www rn campbell com Email main@mccampbeil corn <br /> • QC SUMMARY REPORT FOR SW8021B18015Cm <br />' W O Sample Matrix Water QC Matrix Water WorkOrder 0503558 <br /> EPA Method SW8021BI8015Cm Extractlon SW5030B BatchlD 15669 Spiked Sample ID 0503556-008A <br />' T t Analyte Sample Spiked MS' MSD' MS-MSD' LCS LCSD LCS-LCSD Acceptance Criteria (%} <br /> pg/L pg/L % Rec %Rec % RPD % Rec % Rec % RPD MS 1 MSD LCS 1 LCSD <br />' TPH(btex) ND 60 879 904 2 87 925 928 0 345 70-130 70- 130 <br /> MTBE ND 10 875 87 5 0 101 102 0 928 <br /> 70-130 70-130 <br />' Benzene ND 10 114 114 0 106 108 2 18 70-130 70- 130 <br /> Toluene ND 10 110 110 0 989 101 226 70- 130 70- 130 <br /> Ethylbenzene ND 10 107 108 1 20 102 104 1 94 70-130 70- 130 <br />' Xylenes ND 30 91 913 0 366 903 91 10 735 70- 130 70- 130 <br /> %SS 109 10 117 113 3 12 110 112 129 70-130 70-130 <br />' All target compounds to the Method Blank of this extraction batch were ND less than the method RL with the following exceptions <br /> NONE <br /> 1 <br /> BATCH 15669 SUMMARY <br />' Sample ID Date Sampled Date Extracted Date Analyzed Sample 1D Date Sampled Date Extracted Date Analyzed <br /> 503558-OOIA 3130/05 11 39 AM 4/04/05 5 44 PM 4104/05 5 44 PM 0503558-002A 3/30/05 12 00 PM 4/04/05 6 17 PM 4/04105 6 17 PM <br /> 0503558-003A 3130/05 12 24 PM 4/02105 5 35 PM 4/02/05 5 35 PM 0503558-004A 3/30/05 12 50 PM 4/02/05 6 05 PM 4/02/05 6 05 PM <br />' 0503558-005A 3/30105 10 37 AM 4/04105 6 55 PM 4/04/05 6 55 PM 0503558-006A 3/30/05 8 44 AM 4/03/05 7 31 AM 4/03/05 7 31 AM <br /> 0503558-007A 3130/05 8 57 AM 4/05/05 10 09 AM 4/05/05 10 09 AM 0503558-008A 3/30105 9 18 AM 4/04/05 5 49 PM 4/04/05 5 49 PM <br /> 0503558-009A 3/30/05 9 38 AM 4102/05 7 04 PM 4102/05 7 04 PM 0503558-OI OA 3/30/05 10 02 AM 4102105 7 34 PM 4102/05 7 34 PM <br /> 0503558-011A 3/30/05 10 22 AM 4/02/05 8 03 PM 4/02/05 8 03 PM <br /> 1 <br /> 1 <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)I(Amount Spiked),RPD=100`(MS- MSD)/((MS+MSD)/2) <br /> MS I MSD spike recovenes and/or%RPD may fall outside of laboratory acceptance criteria due to one or more of the foiloweng reasons a)the sample is inhomogenous <br /> AND 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 STEX areas from the FID <br /> #cluttered chromatogram sample peak coelutes with surrogate peak <br /> /A=not applicable or not enough sample to perform matrix spike and matrix spike duplicate <br />' NR=anal a concentration in sam le exceeds s ike amount for soil matrix or exceeds 2x s ike amount for water matrix or sam le diluted due to i h matrix or anal .content <br /> DHS Certification No 1644 QA/QC Officer <br /> 1 <br />