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1102nd Avenue South #D7 Pacheco CA 94553 5'60 <br /> McCampbell Analytical, Inc. Telephone 925 798-1620 Fax 925-798 1622 <br /> 14 1 Website www mccampbell com E-mail inan a mccampl com <br /> QC SUMMARY REPORT FOR SW8021B/8015Cm <br /> I <br /> Matrix W WorkOrdf r 0403291 <br /> EPA Method SW8021 B18015Cm Extraction SW5030B BatchlD 10800 Spiked Sample ID 0403288-001A <br /> Sample Spiked MS` MSD" IMS-MSD LCS LCSD !LCS-LCSD Acceptance Criteria(%) <br />' pg/L pg/L %Rec %Rec i %RPD %Rec %Rec % RPD Low High <br /> TPH(btex)a ND 60 95 8 965 0 722 102 998 1 93 70 130 <br /> T--_- -- ----_ - <br /> MTBE — - ---ND-- 10 94 1 995 5 58 108 —105 1 328 70 130 <br /> Benzene ND 10 111 106 407 116 113 3 10 70 130 <br /> Toluene ND 10 102 93 9 8 77 108 102 539 70 130 <br /> Ethylbenzene ND 10 93 111 18 0 W 112 111 1 07 70 130 <br /> Xylenes ND 30 100 100 0 100 _ 100 0 70 130 <br /> I %SS 87 6 10 — 103— 104 0 855 107 106 1 20 70 130 <br /> All target compounds in the Method Blank of this extraction batch were ND less than the method RL with the tollowmg exceptions <br /> NONE <br /> I <br />' MS=Matrix Spike MSD=Matrix Spike Duplicate LCS=Laboratory Control Sample LCSD=Laboratory Control Sample Duplicate RPD=Relat ve Percent <br /> Deviation <br /> Recovery w 100`(MS-Sample)I(Amount Spiked),RPD=100`(MS- MSD)/((MS+MSD)12) <br /> `MS and 1 of 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 STEX 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 soil matrix or exceeds 2x spike amount for water matrix or sample diluted due to nigh matrix or <br /> analyte content <br /> �kQAiQC <br /> DHS Certification No 1644 Officer <br />