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110 2nd Avenue South #D7 Pacheco CA 94553 5560 <br /> McCampbell Analytical, Inc. Telephone 925 798-1620 Fax 925-798-1622 <br /> A. I Website www mccampbell corn E-mail mamQmccanipbell corn <br /> • QC SUMMARY REPORT FOR SW8021B1$015Cm <br /> W O Sample Matrix Air/Water QC Matrix Water WorkOrder 0412341 <br />' EPA Method SW8021BI801SCm Extraction SW5030B BatchlD 14355 Spiked Sample ID 0412335-005A <br /> Sample Spiked MS" MSD" MS-MSD" LCS LCSD LCS-LCSD Acceptance Criteria(%) <br /> Analyte <br />' pg1L pglL %Rec % Ree % RPD % Rec %Rec %RPD MS!MSD LCS f LCSD <br /> TPH(btex)£ NO 60 105 114 8 32 983 99 1 0 770 70-130 70- 130 <br /> MTBE ND 10 105 117 106 105 103 208 70-130 70- 130 <br /> Benzene ND 10 105 107 224 117 113 3 82 70-130 70- 130 <br /> Toluene ND 10 108 114 561 118 108 897 70-130 70- 130 <br /> Ethylbenzene NO 10 117 118 0 748 113 l 12 142 70-130 70 130 <br /> 107 107 0 100 100 0 70-130 70- 130 <br /> Xylenes ND 30 <br />' %SS 99 10 110 113 2 55 1 114 113 0 443 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 /> 1 <br /> ' MS=Matnx Spike MSD=Matrix Spike Duplicate LCS=Laboratory Control Sample LCSD=Laboratory Control Sample Duplicate RPD=Relative Percent <br /> Deviation <br /> %Recovery=too'(MS-Sample)/(Amount Spiked) RPD=100"(MS- MSD)1((MS+MSD)12) <br /> ' .MS!MSD spike recoveries and/or%RPD may fall outside of laboratory acceptance criteria due to one or more of the following reasons a)the sample is <br /> inhomogenous AND contains significant concentrations of analyte relative to the amount spiked or b)the spiked sample's matrix interferes with the spike recovery <br /> £TPH(btex)=sum of BTEX areas from the FID <br /> ' #cluttered chromatogram sample peak coelutes with surrogate peak <br /> NIA=not enough sample to perform matrix spike and matrix 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 /> ' janalyte content <br /> DHS Certtficatxon No 1644 QA/QC Officer <br /> 1 <br />