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110 2nd Avenue South,ND7,Pacheco,CA 94553-5560 <br /> McCampbell Analytical, Inc. Telephone:925-798-1620 Pax:925-798-1622 <br /> 24' Website:www.mccampbell.rxm&mall:main@ampbell.com <br /> QC SUMMARY REPORT FOR SW8015C <br /> W.O.Sample Matrix: Soil QC Matrix: Soil WorkOrder. 0504252 <br /> ' EPA Method: SW8015C Extraction: SW3550C BBtchID:15873 Spiked Sample ID: 0504220-013A <br /> Sample Spiked MS MSD MS-MSD LCS LCSD LCS-LCSD Acceptance Criteria(%) <br /> Analyte <br /> mg/Kg mg/Kg %Rec. %Rec. %RPD %Rec. %Rec. %RPD MS/MSD LCS/LCSD <br /> TPH(d) ND 20 102 101 1.36 96.9 95 1.99 70-130 70-130 <br /> %SS: 100 50 99 98 1.02 99 97 1.75 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 15873 SUMMARY <br /> ' Sample ID Date Sampled Date Extracted Date Analyzed Sample ID Date Sampled Date Extracted Date Analyzed <br /> 0504252-OIIIA 4/14/05 10:30 AM 4/15/05 4/111011:22 PM 0504252-005A 4/14/05 11:00 AM 4/15/05 4/161111:11 PM <br /> 0504252.009A 4/14/05 9:18 AM 4/15/05 4/16/05 11:56 AM 0504252-014A 4/14/05 12:50 PM 4/15/05 4/16/05 10:48 AM <br /> ' 0504252-018A 4/14/05 11:50 AM 4/15/05 4/16/05 9:40 AM 0504252-027A 4/14/05 2:30 PM 4/15/05 4/16/05 8:31 AM <br /> 0504252-029A 4/14/05 3:40 PM 4/15/05 4/16/05 7:23 AM <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/or%RPD may fall outside of laboratory acceptance criteda 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 /> N/A=not enough sample to perform matrix 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 analyta content. <br /> ' DHS Certification No. 1644 QA/QC Officer <br />