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T I10 2nd Avenue South ND7 Pacheco CA 94553 5560 <br /> McCampbell Analytical, Inc. Telephone 925-798-1620 Fax 925 798 1622 <br /> Web Site www mccampbell corn E mail mar r mccampbeli tam <br /> QC SUMMARY REPORT FOR SW8021B/8015Cm <br /> W O Sample Matrix Air QC Matrix Water WorkOrder 0501229 <br />' EPA Method SW8021 B18015Cm Extraction SW5030B BatchlD 14718 Spiked Sample ID 0501223-OOSA <br /> Analyte Sample Spiked MS' MSD' MS-MSD` LCS LCSD LCS-LCSD Acceptance Criteria{%} <br />' pg1L pg/L % Rec % Rec % RPD %Rec %Rec %RPD MS 1 MSD LCS 1 LCSD <br /> TPH(btex) ND 60 115 1 l 1 3 56 87 5 944 3 54 70-130 1 70- 130 <br />' MTBE ND 10 91 6 103 114 94 1 93 1 1 15 70- 130 70- 130 <br /> Benzene ND 10 <br /> 115 116 0 872 97 2 95 6 1 71 70 130 70- 130 <br />' Toluene ND 10 119 111 672 977 95 4 232 70-130 70- 130 <br /> Ethy3benzene ND l0 116 114 252 993 977 1 67 70-130 70- 130 <br /> Xylenes ND 30 107 100 645 100 993 0 669 70- 130 1 70- 130 <br />' %SS 100 10 110 111 1 15 98 99 1 11 70- 130 70- 130 <br /> All target compounds in the Method Blank of this extinction batch were ND less than the method RL with the following exceptions <br />' NONE <br /> lie <br /> I <br />' MS=Matrix Spike MSD=Matrix Spike Duplicate LCS=Laboratory Control Sample LCSD=Laboratory Control Sample Dupticate RPD=Relative Percent <br /> Deviation <br /> o Recovery=1 o0"(MS-Sample)/(Amount Spiked) RPD=100`(MS- MSD)/({MS+IASD)1 2) <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 <br /> inhomogenous AND contains significant concentrations of analyte relative to the amount spiked or b)the spiked sample s matnx interferes with the spike recovery <br /> £TPH(btex)=sum of BTEX areas from the FID <br /> #duttered chromatogram sample peak coelutes with surrogate peak <br /> N/A=not enough sample to perform matrix spike and matrix spike duplicate <br /> NR=analyte concentration in sample exceeds spike amount for sod matnx or exceeds 2x spike amount for water matrix or sample diluted due to high matnx or <br /> analyte content <br /> DHS Certification No 1644 )—V/QA/QC Officer <br />