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McCampbell Analytical, Inc. 1302nd Avenue South Pacheco 95560 <br /> 16 <br /> Telephone 925 798 3620 Fax 92525 798-168-16 22 <br />' Website www mccampbell com Email MOL11@mccampbelt oom <br /> QC SUMMARY REPORT FOR SW8021.B/8015Cm <br />' WO Sample Matnx Water QC Matrix Water WorkOrder 0506514 <br /> EPA Method SW8021B18015Cm Extractlon SW5030B BatchlD 16892 Spiked Sample ID 0506514-011A <br /> 1 Anelyte Sample Spiked MS MSD MS-MSD LCS LCSD LCS-LCSD Acceptance Criteria(%) <br /> Ng1L NgIL %Rec % Rec %RPD % Rec % Rec %RPD MS I MSD 'LCS/LCSD <br /> TPH(btex)£ ND 60 102 98 398 100 939 687 70- 130 70- 130 <br /> MTBE ND 10 85 3 91 1 657 107 983 820 70- 130 70- 130 <br />' Benzene ND 10 91 93 8 300 101 93 5 801 _ _ 70- 130 70-130 <br /> Toluene ND 10 899 907 201 105 936 11-1 70-130 70- 130 <br /> Ethylbenzene ND 10 937 94 7 101 102 98 3 4 15 70-130 70-130 <br />' Xylenes _ ND 30 86 957 0 388 103 100 328 70-130 70- 130 <br /> %SS 99 10 102 I04 257 101 98 3 54 70-130 70- 130 <br />' All target compounds in the Method Blank of this extraction hatch were ND less than the method RL with the following exceptions <br /> NONE <br /> BATCH 16892 SUMMARY <br /> Sample ID Date Sampled Date Extracted Date Analyzed Sample ID Date Sampled Date Extracted Date Analyzed <br /> 06514-009A 6127105 12 39 PM 7101105 7101105 10 04 PM 0506514-010A 6127/05 12 55 PM� 7102/05 7102105 2 47 AM <br /> 506514-011A 6/27105 1 11 PM 7/02/05 7102/05 3 52 AM 1 0506514-012A 6/27105 1 30 PM_ 7102105 7102/05 4 25 AM <br /> 1 <br /> 1 <br /> 1 <br />' MS=Matrix Spike MSC?=Matnx Spike Duplicate LCS=Laboratory Control Sample LCSD=Laboratory Control Sample Duplicate,RPD=Relative Percent DeviatEon <br />' %Recovery=100'(MS Sample)I(Amount Spiked) RPD=100'(MS- MSD)/((MS F MSD)12) <br /> MS I MSD spike recoveries and 1 or%RPD may fall outside of laboratory acceptance criteria due to one or more of the fallowing reasons a)the sample is inhomogenous AND <br /> contains significant concentrations of analyte relative to the amount spiked orb)the spiked samples matrix interferes with the spike recovery <br />' £TPH(btex)=sum of BTEX areas from the FID <br /> #cluttered chromatogram,sample peak coelutes with surrogate peak <br /> not applicable or not enough sample to perform matrix spike and matrix spike duplicate <br />' R=anal a cgncantratlon in sem le exceeds s Ike amount for sell matrix or exceeds 2x spike amount ter water matrix or sample diluted due to high matrix or anal a content <br /> DHS Certification No 1644 QA/QC Officer <br />