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"s 1 10 2nd Avenue South #D7 Pacheco CA 94551 5560 <br /> 4 McCampbell Analytical, Inc. Telephone 925 798-1620 Fax 925-798 1622 <br /> Website www inccampbeil coni E mail mam@nicwnhbdl corn <br /> QC SUMMARY REPORZ FOR SW8021B/8015Cm <br /> Matrix W WorkOrder 0404327 <br /> EPA Method SW8021 B/8015Cm Extraction SW5030B BatchlD 11222 Spiked Sample ID 0404319-001A <br /> Sample Spiked MS` MSD' 'MS-MSD LCS LCSD LCS-LCSD Acceptance Criteria(%) <br /> pg/L pglL % Rec %Rec %RPD %Rec %Rec % RPD Low High <br /> TPI I(htex)£ ND 60 104 103 1 32 104 101 333 70 130 <br /> MTBE ND 10 117 109 659 105 997 529 70 130 <br /> Benzene w ND 10 113 111 228 104 t00 350 70 130 <br /> Toluene ND 10 105 104 0 643 999 97 8 2 17 70 130 <br /> Ethylbenzene ND 10 113 112 j l 30 111 106 441 70 130 <br /> Xylenes ND 30 103 100 1 3 28 100 100 0 70 130 <br /> %SS 102 10 t04 101 3 45 982 987 0 470 70 130 <br /> Ali 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'(MS Sample)/(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 PID <br /> #cluttered chromatogram sample peak coelutes with surrogate peak <br /> NIA=not applicable or not enough sample to perform matrix spike and matrix spike duplicate <br /> NR=analyte concentration in sampte exceeds spike amount for sal 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 ��64A/QC Officer <br />