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' 1102nd Avenue South 9D7 Pacheco CA 94553-5`60 <br /> McCampbell Analytical, Inc. Telephone 925-798-1620 Fax 925-798-1622 <br />' Website www meta tipbell com E-mail mai[Qmecmnpl com <br /> QC SUMMARY REPORT FOR SW8021B/8015Cm <br /> I <br /> Matrix W WorkOrde r 0403274 <br />' EPR Method SW8021 BI6015Cm Extraction SW5030B BatchlD 10793 Spiked Sample ID 0404274-011A <br /> Sample Spiked MS- MSD" MS-MSD LCS LCSDLCS-LCSD Acceptance Criteria(%) <br />' pg/L pg/L % Rec %Rec %RPD %Rec I %Rec I %RPD Low High <br /> TPH(btex)£ ND 60 100 101 0 852 100 101 0 697 70 130 <br /> MTBI. - ND 10 103 962 7 12 111 116 472 70 130 <br />' Bemene _ ND 10 110 112 140 109 114 488 70 130 <br /> Toluene _ ND 10 103 104 4 497 101 104 322 70 W 130 <br /> Ethylbenzene ND 10 109 11] �l 43 107 IEO � 349 74 130 <br /> i <br /> Xylenes ND 30 997 100 0 334 957 100 443 70 130 <br />' %SS - -- - 900 -10 106105 l 36 102 104 1 85 70 130 <br /> AI I 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=Matrix Spike MSD=Matrix Spike Duplicate LCS=Laboratory Control Sample LCSD=Laboratory Control Sample Duplicate RPD=Relative Percent <br /> Deviation <br /> Recovery=100-(MS Sample)1(Amount Spiked),RPD=100"(MS- MSD)1((MS+MSD)12) <br />' "MS and 1 or MSD spike recoveries may not be near 100%or the RPDs near 0%if 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 with spike recovery <br /> £TPH(btex)=sum of BTEX areas from the FID <br />' #cluttered 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 soil matrix or exceeds 2x spike amount for water matrix or sample diluted due to high matrix or <br /> analyte content <br /> DHS Certification No 1644 QA/QC Officer <br />