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LA �McCamjpbell Analytical, Inc. 1102nd Avenue South #D7 Pacheco CA 94553-5560 <br /> Telephone 925-798-1620 Fax 925-798 1622 <br /> Website www mccampbell corn E mail maurQmccampbell com <br /> QC SUMMARY REPORT FOR SW8260B <br /> W O Sample Matrix Water QC Matrix Water WorkOrder 0507231 <br /> EPA Method SW8260B Extraction SW5030B BatchlD 17133 Spiked Sample ID 0507222-003A <br /> 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/MSD LCS/LCSD <br /> Benzene ND 10 112 115 236 101 111 973 70- 130 70- 130 <br /> Methyl-t-butyl ether(MTBE) ND l0 101 102 156 941 983 438 70- 130 70- 130 <br /> Toluene ND 10 107 110 338 977 108 996 70-130 70- 130 <br /> %SS 1 101 10 92 93 181 93 91 143 70- 130 70- 130 <br /> %SS2 92 10 98 98 0 98 100 1 54 70- 130 70- 130 <br /> %SS3 92 10 112 107 4 13 107 108 1 34 70- 130 70- 130 <br /> Ail 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 17133 S MMARY <br /> Sample ID Date Sampled Date Extracted Date Analyzed Sample ID Date Sampled Date Extracted Date Analyzed <br /> 0507231-OOIB 7114!05 12 49 PM 7/18/05 7118/05 2 23 PM 0507231-002B 7/14105 1 17 PM 7/18/05 7/18/05 3 12 PM <br /> 507231-0038 7114105 1 07 PM 7118/05 7118/05 4 03 PM 0507231-004B 7/14/05 4 06 PM 7118105 7/18105 11 13 PM <br /> 0507231 0456 7114105 1 20 PM 7118/05 7/18105 11 58 PM 0507231-006B 7/14/05 3 29 PM 7119!05 7/19105 12 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)1((MS+MSD)12) <br /> MS 1 MSD spike recoveries and/or%RPD may fall outside of laboratory acceptance cntena 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 spsked sample's matnx interferes with the spike recovery <br /> N/A=not enough sample to perform matrix spike and matrix spike duplicate <br /> NR=analyte concentration m sample exceeds spike amount for sod matnx or exceeds 2x spike amount for water matnx or sample diluted due to high matrix or analyte content <br /> kaboratory extraction solvents such as methylene chlonde and acetone may occasionally appear in the method blank at low levels <br /> DHS Certification No 1644 Q QA/QC Officer <br />