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110 2nd Avenge South,#D7 Pacheco CA 94553-5560 <br /> McCampbell Analytical, Inc. Telephone 925-798-1620 Fax 925-798-1622 <br /> Website www mccamphell cam E-mail rmm@mecampbcl]corn <br /> QC SUMMARY REPORT FOR S'V'V'8015C <br /> Matrix W WorkOrder 0406242 <br /> EPA Method SW8015C Extraction SW3510C BatchlD 11983 Spiked Sample ID N/A <br /> Sample Spiked MS' MSD' MS-MSD- ECS LCSD LCS-LCSD Acceptance Criteria(%) <br /> yg/L pg/L %Rec %Rec %RPD %Rec %Rec %RPD Low High <br /> TPH(d) NIA 7500 N/A N/A NIA 104 101 327 70 130 <br /> %SS NIA 2500 N/A N/A N/A 109 108 128-A- 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 /> MS=Matrix Spike MSD=Matrix Spike Duplicate LCS=Laboratory Control Sample,LCSD=Laboratory Control Sample Duplicate RPD=Relative Percent <br /> Deviation <br /> %Recovery=100'(INS-Sample)/(Amount Spiked) RPD=100"(MS- MSD)/((MS+MSD)/2) <br /> MS and 1 or MSD spike recoveries may not be near 100%or the RPDs near 0%it a)the sample is inhomogenous AND contains significant concentrations of <br /> analyte relative to the amount spiked or b)if that specific sample matrix interferes vnth spike recovery <br /> WA=not enough sample to perform matrix spike and matnx spike duplicate <br /> NR=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 <br /> anal a content <br /> DHS Certification No 1644 _QA/QC Officer <br />