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110 2nd Avenue South,11137,Parlicvn,CA 945>3 5560 <br /> f McCampbell Analytical, Inc. Tetophone 925-798-1(320 Fax 925-MA622 <br /> Wcbsite www nx:campbeli corn H trail mam(omccan pbcll sum <br /> QC SUMMARY REPORT FOR SW8021Bl8015Cm <br /> W O Sample Matrix Water QC Matrix Water WorkOrder 0509601 <br /> EPA Method SW8021B/8015cm Extraction SW5030B BatchlD 18248 Spiked Sample ID 0509601-001A <br /> Analyte Sample Spiked MS MSD MS-MSD LCS LCSD LCS-LCSD Acceptance Crttena(%) <br /> pg/L NgIL %Rec %Rec I % RPD %Rec %Rec %RPD MS 1 MSD LCS I LCSD <br /> 1 PI I(btex)£ ND 60 106 lit 472 IN 108 0 70- 130 70- 130 <br /> MTBE ND 10 93 88 8 4 69 969 867 11 2 70- 130 70-130 <br /> Benzene ND 10 946 896 536 961 932 3 06 70-130 70-130 <br /> Toluene ND 10 964 919 490 973 93 6 3 92 70-130 70- 130 <br /> hthylbenzene ND -10 956 93 8 1 85 973 944 3 03 70- 130 70-130 <br /> Xylenes ND 30 953 95 0 350 99 95 4 12 70-130 70-130 <br /> %SS 98 10 99 96 304 100 100 0 70- 130 70- 130 <br /> AllLarget compounds to the Method Blank of this extraction batch were ND less than the method RL with the following exceptions <br /> NONI- <br /> BATCH 18248 SUMMARY <br /> Sample ID Date Sampled Date Extracted Date Analyzed Sample ID Date Sampled Date Extracted Date Analyzed <br /> 009601-001 A 9/27105 9 57 AM 10/01/05 10/01/05 3 34 PM 0509601-002A 9127105 10 27 AM 10/01/05 10/01/05 4 03 PM <br /> 0509601-003A <br /> 9127/05 1 1 39 AM 10/01/05 10/01/05 4 33 PM 0509601-004A 9127105 10 59 AM 10/01/05 10/01/05 5 03 PM <br /> 0509601-005A 9/27/05 12 11 PM 10/01/05 10/01/05 6 05 PM 0509601-006A 9127/05 1 15 PM 10/01/05 10/01/05 7 34 PM <br /> 0509601-007A 9/27/05 8 34 AM 10101/05 10/01/05 8 04 PM 0509601-008A 9/27/05 9 10 AM 10/01/05 10/01/05 8 33 PM <br /> MS=Matrix Spike MSD=Matrix Spike Duplicate LCS=Laboratory Control Sample,LCSD=Laboratory Control Sample Duplicate RPD=Relative Percent Deviation <br /> %Recovery=400`(MS-Sample)I(Amount Spiked),RPD=100"(MS- MSD)I((MS+MSD)12) <br /> MS I MSD spike recoveries and/or%RPD may fall outside of laboratory acceptance entera due to one or more of the following reasons a)the sample is tnhcmogenous AND <br /> contains significant concentrations of analyte relative to the amount spiked or b)the spiked sample's matnx interferes with the spike recovery <br /> E TPH(btex)=sum of BTEX areas from the FID <br /> #cluttered chromatogram sample peak coelutes with surrogate peak <br /> =not applicable or not oncugh sample to perfomr matrix spike and matrix spike duplicate <br /> R=enalyte concentration in sample exceeds spike amount far sell matrix or exceeds 2x spike amount for water matnx or sample diluted due to high matrix oranalyto content <br /> DHS Certification No 1644 L" QAIQC Officer <br />