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1 E 110 2nd Avenue S01.1111 OD7 Pacheco CA 94553 5560 <br /> McCampbell Analytical Inc Telephone 925-798 1620 Fax 925-798-1622 <br /> Nip I/www rnccampbell corn E mail main@Tccarnpbell com <br /> 1 <br /> i QC SUMMARY REPORT FOR SW8021B/8015Cm <br /> Matrix W WorkOrder 0311267 <br /> ' EPA Method SW8021 B18015Cm Extraction SW5030B BatchlD 9400 Spiked Sample ID 0311267-002A <br /> Sample Spiked MS' MSD' MS-MSD LCS LCSD LCS-LCSD Acceptance Criteria(%) <br /> ' NgIL Ng/L % Rec %Rec E %RPD %Rec %Rec %RPD Low High <br /> TPH(btex) ND 60 986 103 398 96 8 942 282 70 130 <br /> ' MTBE ND 10 - 819 84 253 929 96 3 20 - 70 130 <br /> Benzene ND 10 90 6 90 7 0 179 93 4 97 3 86 70 130 <br /> Toluene ND 10 962 96 5 0 306 959 995_ 374 70 130 <br /> Ethylbenzene — ND 10 97 8 98 2 0 388 974 101 320 70 130 <br /> Xylenes ND 30 100 100 0 100 100 0 70 130 <br /> ' %SS 101 100 T 102 102 0 101 104 256 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 /> MS=Matrix Spike MSD=Matrix Spike Duplicate LCS=Laboratory Control Sample LCSD=Laboratory Control Sample Duplicate,RPD=Relative Percent <br /> ' <br /> Deviation <br /> %Recovery=100'(MS Sample)I(Amount Spiked) RPD=100.(MS MSD)!((MS+MSD)/2) <br /> "MS and 1 or MSD spike recoveries may not be near 100%or the RPDs near 0%if a)the sample 3s 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 /> ' 4 cluttered chromatogram sample peak cost utes.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 soil matrix or exceeds 2x spike amount for water matrix or sample diluted due to high matrix or <br /> analyte content <br /> 1 <br /> it <br /> � I <br /> c � <br />