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i <br /> r <br /> 1 ' <br /> 110 2nd Avenue South #D7 Pacheco CA 94553 5560 , <br /> McCampbell Analytical, Inc. L— Telephone 925-798-1620 Fax 925 798 1622 4 <br /> Website www mccamplicH com E-mail ma n n mcmitipbell com h ri• <br /> QC SUMMARY REPORT FOR SW8260B <br /> W O Sample Matrix Water QC Matrix Water WorkOrder 0506068 <br /> EPA Method SW82608 Extraction SW50308 SatchlD 16503 Spiked Sample ID 0506068-0058 <br /> -— —-' - — - Sample -Spiked - IMS -MSD- MS-MSD LCS- _ LCSD LCS-LCSD Acceptance CnteFia(%) -" � " . <br /> Analyte <br /> Ng/L pg/L %Rec % Rec %RPD %Rec % Rec %RPD I MS I MSD LCS 1 LCSD ' <br /> Benzene ND 10 105 108 297 972 995 237 70- 130 70-130 <br /> x <br /> Toluene ND 10 105 104 0 919 981 96 l 196 ✓ 70- 130 70-130 ' <br /> %SSI 90 10 103 104 128 101 102 0 557 70- 130 70 130 <br /> %SS2 94 10 96 94 255 99 98 108 70- 130 70-130 <br /> %SS3 99 10 90 96 6 19 96 97 108 70- 130 70-130 <br /> All target compounds to the Method Blank of this extraction batch were ND less than the method RL with the following exceptions <br /> NONE 4 <br /> BATCH 16503 SUMMARY <br /> Sample ID Date Sampled Date Extracted Date Analyzed Sample ID Date Sampled Date Extracted Date Analyzed <br /> 0506068-002B 6/01/05 12 10 PM 6104105 6/04/05 7 07 PM 0506068-003B 6101105 12 45 PM 6104/05 6104105 7 50 PM <br /> 0506068-004B 6/01105 3 45 PM 6104/05 6/04/05 8 33 PM 0506068-005B 6101105 3 05 PM - 6104/05 6104105 9 15 PM <br /> 0506068-006B 6/01/05 10 00 AM 6/04/05 6104/05 9 58 PM 0506068-007B 6/01/05 6/04/05 6104105 10 41 PM <br /> 1 <br /> MS=Matrix Spike MSD=Matnx 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)12) <br /> MS/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 signfcant concentrations of analyte relative to the amount spiked or b)the spiked sample's matrix interferes with the spike recovery <br /> N/A=not enough sample to perform matnx spike and matrix spike duplicate <br /> NR=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 /> Laboratory extraction solvents such as methylene chlonde and acetone may occasionally appear in the method blank at low levels • <br /> DHS Certification No 1644 QA/QC Officer <br />