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' 110 2nd Avenue South,ND7 Pacheco CA 94553 5560 <br /> McCampbell Analytica.l Inc Telephone 925-798-1620 Fax 925-798-1622 <br />' blip//www.mecampbell com E-mail majn@mccampbell coo <br /> QC SUMMARY REPORT FOR SW8021R18015Cm <br /> 1 <br /> Matrix W WorkOrder 0312192 <br />' EPA Method SW8021 B/8015Cm Extraction SW5030B BatchlD 9630 Spiked Sample ID 0312196-001A <br /> Sample Spiked MS- MSD` MS-MSD LCS LCSD LCS-LCSD Acceptance Criteria(%} <br />' µg[L pg/L %Rec %Rec %RPD %Rec %Rec %RPD Low High <br /> TPH(btex)a ND 60 93 7 926 1 18 917 967 5.28 70 130 <br />' MTBE ND 10 952 916 381 118 111 630 70 130 <br /> Benzene ND 10 101 95 4 597 112 109 262 70 130 <br /> Toluene ND 10 104 98 6 563 Ill 110 120 70 130 <br />' Ethylbenzene ND 10 107 102 415 112 I10 220 70 130 <br /> Xylenes ND 30 107 103 317 110 110 0 70 130 <br />' %SS 104 100 107 105 249 116 111 3 98 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 /> I <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)I(Amount Spiked) RAD=100"(MS- MSD)I((MS+MSD)12) <br /> •MS and I or MSD spike recoveries may not be near 100%or the RPDs near 0%if a)the sample is inhomogenous AND contains srgnrfkant conoentratons of <br />' analyte relative to the amount spiked or b)rf that specific sample matrix interferes with spike recovery <br /> E 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 matmx or exceeds 2x spike amount for water matrix or sample diluted due to high matrix or <br /> janalyte content. <br />