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110 2nd A%enue South 4137 Pacheco CA 94553 X560 <br /> McCampbell Analytical, Inc. Telephone 925 798 1620 Fax 925 798 1622 <br /> it Website www nx,canVbell corn E mail main&nccanipbell com <br /> QC SUMMARY REPORT FOR SW8021B/8015Cm <br /> W O Sample Matrix Water QC Matrix Water WorkOrder 0603167 <br /> EPA Method SW8021BI8015Cm Extraction SW5030B BatchlD 20676 Spiked Sample ID 0603141-013A <br /> Analyte Sample Spiked MS I MSD MS-MSO LCS I LCSD LCS-LCSD Acceptance Criteria (%) <br /> Y � <br /> pg/L pg/L % Rec % Rec E % RPD % Rec I % Rec 1 % RPD MS 1 MSD I LCS/LCSD <br /> T PH(btex)£ -_ ND 60 101 r 105 3 57 112 I HI 1 0 549 70- 130 70 130 <br /> MTBE ND 10 109 91 6 171 y 95 6 92 1 373 70- 130 70 130 <br /> Benzene ND 10 101 105 I 346 994 979 l 51 70- 130 70- 130 <br /> Toluene ND 10 939 979 426 102 I 98 i 379 70- 130 70- 130 <br /> Ethylbenzene ND 10 92 6 103 107 101 996 i 1 55 70- 130 70- 130 <br /> Xylenes ND 30 95 7 99 7 4 10 103 100 j 328 70- 130 70- 130 <br /> %5S <br /> 110 10 97 103 593 105 103 1 89 70- 130 70- 130 <br /> i <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 20676 SUMMARY <br /> Sample ID Date Sampled Date Extracted Date Analyzed Sample ID Date Sampled Date Extracted Date Analyzed <br /> 00 3167-ODIC 3/09/06 8 45 AM 3/11/06 3111106 9 53 AM 10603167-002C 3109106 1 45 PM 3113/06 3/13106 7 19 PM <br /> 3107-0031) 3109106 1 10 PM 3111106 3111/06 8 55 AM 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)I((MS+MS D)1 2) <br /> MS I 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 matnx interferes with the spike recovery <br /> £TPH(btex)=sum of BTEX areas from the FID <br /> u cluttered chromatogram sample peak coelutes with surrogate peak <br /> not applicable or not enough sample to perform matrix spike and matrix spike duplicate <br /> = <br /> analyte 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 jr, 1 QA/QC Officer <br /> y � u <br />