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I EO 2nd Atienue South #D7 Pacheco CA 94553 5560 <br /> t McCampbell Analytical, Inc. Telephone 925 798 1620 1-ax 925 798 1622 <br /> 1 Website «ww mccampbell com h mail niamr mcea Abell com <br /> QC SUMMARY REPORT FOR SW8021BI8015Cm <br /> W O Sample Matrix Water QC Matrix Water WorkOrder 0603167 <br /> EPA Method SW8021B/8015Cm Extraction SW5030B BatchlD 20689 Spiked Sample ID 0603167-006B <br /> Analyte Sample Spiked MS MSD i MS-MSD LCS ; LCSD 'i LCS-LCSD Acceptance Criteria(%) <br /> pglL pglL % Rec %Rec I % RPD % Rec % Rec %RPD MS!MSD LCS!LCSD <br /> 7 NH(btex)£ ND 60 111 108 264 103 I 109 5 73 70- 130 70- 130 <br /> MTBE ND 10 103 i 104 0 819 105 j 105 0 70- 130 70- 130 <br /> Benzene ND 10 91 i 93 2 11 105 101 4 73 70- 130 70- 130 <br /> Toluene ND 1 D 93 2 j 94 6 1 46 97 6 95� 2 67 70- 130 70- 130 <br /> Ethvlbenzene ND 10 937 95 3 1 69 103 i 101 1 08 70- 130 70- 130 <br /> Xylenes ND 30 953 96 0 697 953 96 3 I 1 04 70-130 70- 130 <br /> %SS 107 l0 96 97 0 624 106 98 7 39 70- 130 l 70- 130 <br /> All target compounds in the Method Blank of this extraction batch were ND less than the method RL with the followmg exceptions <br /> NONE <br /> BATCH 20689 SUMMARY <br /> Sample ID Date Sampled Date Extracted Date Analyzed Sample 1D Date Sampled Date Extracted Date Analyzed <br /> 3167-0040 3109/06 10 55 AM 3/11100 311 1106 10 22 AM 0603167-005!3 3109106 9 15 AM 3111106 3111/06 10 52 AM <br /> 6603167 006B 3109106 9 48 AM 3/11/06 3/11/06 It 21 AM 0603167-007C 3!09106 12 35 PM 3!11!06 3111106 1 1 I AM <br /> 0603167-0071C 3109/06 12 35 PM 3114106 3114/06 12 16 AM 0603167-008C 3109106 11 50 AM 3/11/06 3111106 1 40 AM <br /> 0603167-0080 3109106 11 50 AM 3114106 3/14/06 3 43 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)I((MS+MSD)1 2) <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 /> #cluttered chromatogram sample peak coelutes with surrogate peak <br /> =not applicable or not enough sample to perform matrix spike and matrix spike duplicate <br /> NR=anal a concentration to sample exceeds spike amount for soft matrix or exceeds 2x spike amount for water matrix or sample diluted due to high mainx or analyte content <br /> DHS Certlficatlon No 1644 QA/QC Officer <br />