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110 2nd Avenue South #D7,Pacheco,CA 94553-5560 <br /> McCampbell Analytical, Inc. Telephone 925 798-1620 Fax 925-7981622 <br /> Website www niccatnpbell corn /-mail main@mccatnpbell corn <br /> 0 QC SUMMARY REPORT FOR SW8021B/8015Cm <br /> ' W O Sample Matrix Water QC Matrix Water WorkOrder 0503163 <br /> ' EPA Method 5W8021Bl8015Cm Extraction SW503013 BatchlD 15295 Spiked Sample ID 0503157-007A <br /> Analyte Sample Spiked MS* MSD* MS-MSD` LCS LCSD LCS-LCSD Acceptanoe Cntena(%) <br /> pg/L pg/L %Rec %Rec %RPD %Rec %Rec % RPD MS/MSD LCS 1 LCSD <br /> ' TPH(btex)£ _ ND 60 107 _ 966 104 987 934 548 70-130 70- 130 <br /> MTBE ND 10 968 859 119 994 876 127 70-130 70- 130 <br /> ' Benzene _ ND 10 _ 110 109_ 1 13 114 105 841 - 70- 130 70- 130 <br /> Toluene ND 10 111 108 299 109 100 847 70- 130 70- 130 <br /> ' Ethylbenzene ND _ 10 108 _ 108 0 _ 109 101 7 97 70- 130 70- 130 <br /> Xylenes ND 30 95 7 963 0 694 96 90 645 70- 130 70- 130 <br /> %SS 105 10 1 115 1 116 1 39 l 14 1 115 1 0 639 1 70- 130 70- 130 <br /> ' All target compounds to the Method Blank ofthis extraction batch were ND less than the method RL with the following exceptions <br /> NONE <br /> 1 <br /> BATCH 1 295 SUMMARY <br /> ample ID Date Sampled Date Extracted Date Analyzed Sample ID Date Sampled Date Extracted Date Analyzed <br /> 03163-020A 3108105 3112105 5 31 PM 3/12/0553 -021A 3/08/05 3/12/05 3 17 AM 3/12/05 3 17 AM <br /> 0503163-022A 3/08/05 3/12/05 3 50 AM 3/12105 3 50 <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)/(Amount Spiked) RPD=100*(MS- MSD)/((MS+MSD)/2) <br /> *MS!MSD spike recoveries and I or%RPD may fall outside of laboratory acceptance criteria due to one or more of the following 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"nth the spike recovery <br /> ' E TPH(btex)=sum of STEX areas from the FID <br /> 0c' <br /> uttered chromatogram sample peak coelutes with surrogate peak <br /> =not applicable or not enough sample to perform matrix spike and matrix spike duplicate <br /> =analyte concentration in sample exceeds spike amount for sod matrix or exceeds 2x spike amount for water matrix or sample diluted due to high matrix or analyte content <br /> DHS Certification No 1644 QA/QC Officer <br />