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r <br /> 110 2nd Avenue South #137 Pacheco CA 94553 5560 <br /> McCampbell Analytical, Inc. Telephone 925 798-1620 Fax 925 798-1622 <br /> Website www mccampbe0 com E-marl r=n@rnccampbell coin • <br /> 74 �� <br /> QC SUMMARY REPORT FOR SW8021B/8015Cm ' <br /> W O Sample Matrix Water QC Matrix Water WorkOrder 0506068 <br /> EPA Method SW8021B1S015Cm J Extraction SW5030B BatchlD 16485 Spiked Sample ID 0506054-001A <br />— - — - Sample Spiked ' -MS's MSD MS-MSD - LCS LCSD LCS-LCSD 'Acceptance Catena(%) <br /> Analyte <br /> pg1L pg/L %Rec %Rec %RPD %Rec % Rec % RPD MS/MSD LCS 1 LCSD ' <br /> TPH(btex)£ ND 60 103, 103 0 106 100 578 70- 130 70-130 <br /> MTBE ND 10 884 825 687 93 1 925 0 720 70- 130 70-130 , <br /> Benzene ND 10 110 104 590 104 107 336 70- 130 70-130 <br /> Toluene ND 10 110 104 567 105 109 347 70- 130 70-130 <br /> Ethylbenzene ND 10 113 107 488 108 111 306 70- 130 70 130 ' <br /> Xylenes ND 30 113 110 299 110 113 299 . 70- 130 70 130 <br /> °/aS5 95 10 96 94 240 95 95 0 70- 130 70-130 , <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 16495 SUMMARY <br /> Sample ID Date Sampled Dale Extracted Date Analyzed Sample ID Date Sampled Date Extracted Date Analyzed <br /> 0506068-ODIA 6101105 1 25 PM 6/07/05 6107105 149 AM 0506068-002A 6/01/05 12 10 PM 6/07105 6/07/05 2 22 AM <br /> 0506068-003A 6/01105 12 45 PM 6/07/05 6107105 3 59 AM 0506068-004A 6/01/05 3 45 PM 6107105 6/07105 4 32 AM <br /> 0506068-005A 6/01105 3 05 PM 6/07105 6107105 5 04 AM 0506068-006A 6/01/05 10 00 AM 6/07/05 6/07/05 12 44 AM ' <br /> 0506068-007A 6/01105 6107/05 6107105 5 37 AM <br /> i <br /> S <br /> r 1 <br /> MS=Matnx Spike MSD=Matrix Spike Duplicate LCS=Laboratory Control Sample LCSD=Laboratory Control Sample Duplicate RPD=Relative Percent Deviabon <br /> %Recovery=100'(MS-Sample)1(Amount Spiked) RPD=100'(MS MSD)1((MS+MSD)12) <br /> MS/MSD spike recoveries and 1 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 orb)the spiked samples matrix interferes with the spike recovery <br /> £TPH(btex)=sum of BTEX areas from the FI D ' <br /> #cluttered chromatogram sample peak coelutes with surrogate peak <br /> N/A=not applicable or not enough sample to perform matnx spike and matnx spike duplicate .' <br /> NR=analyte concentration in sam le exceeds spike amount for soil matrix or exceeds 2x spike amount for water matrix or sample diluted due to high matnx or analyte content ' <br /> 1 <br /> DHS Certification No 1644 QA/QC Officer <br /> 1 <br />