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110 2nd Avenue South ISD7 Pacheco CA 94553 5560 <br /> Inc.McCampbell Analytical, Telephone 925 798-1620 Fax 925-798-1622 <br /> Website www mecantpbell corn E road mem@mccarnpbell corn <br /> . QC SUMMARY REPORT FOR SW8260B <br /> W O Sample Matrix Water QC Matrix Water WorkOrder 0504049 <br /> EPA Method SW8260B Extraction SW5030B BatchiD 15733 Spiked Sampte 1D 0504046-004B <br /> Sample Spiked MS MSD MS-MSD LCS LCSD LCS-LCSD Acceptance Criteria (%) <br /> Analyte <br /> -- <br /> pg/L. pglL % Rec % Rec % RPD %Rec %Rec % RPD MS 1 MSD LCS/LCSD <br /> tert-Amyl methyl ether(TAME) ND 10 969 962 0 738 977 42 3 5 68 70-130 1 70- 130 <br /> Benzene ND 10 108 109 122 108 105 2 52 70- 130 70-130 <br /> t-Butyl alcohol(TBA) ND 50 985 949 3$3 45 6 86 6 9 88 70- 130 703 3D <br /> Chlorobenzene ND 10 113 114 1 19 115 115 0 70- 130 70-130 - <br /> 1 2-Dlbromoethane{EDB} ND 10 871 867 0 409 873 84 7 2 99 70-130 _L 70- 130 <br /> I 2-Dichloroethane(1,2-DCA) �ND 10 113 113 0 11 l 105 i 496 70- 130 70- 130 <br /> E1 1-Dichloroethene ND ]0 101 994 179 109 104 4 89 70- 130 70- 130 <br /> --- <br /> Dusopropyl ether(DiPE) ND 10 102 102 0 105 98 6 5 85 F70- <br /> 70- 130 <br /> Ethyl tett-butyl ether(ETBE) ND 10 96 1 943 1 93 969 91 8 5 45 70-130 <br /> Methyl t butyl ether(MTBE) ND l0 984 47 1 1 32 962 878 907 7D- 130 <br /> Toluene ND 10 103 104 1 24 103 101 l 76 70- 130 <br /> Tnehloroethene ND945 94 6 00990 98 4 45 3 50 70- 130 <br /> %SS 1 105 ]0 99 98 0 837 98 #96 1 42 70- 130 70- 130 <br /> %SS2 100 LO 98 98 D 9$ 98 0 70 L30 70 130 <br /> %55310 110 113 3 31 106111 4 28 70- 130 70 130 J <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 /> BATCH 15733 SUMMARY <br /> Sample 1D Date Sampled Date Extracted Date Analyzed Sample ID Date Sampled Date Extracted Date Analyzed <br /> � 0504049 002A 4105!05 4107105 4107105 7 16 PM 0504049-007A 4/05105 4113105 4/13!05 4 31 PM <br /> MS=Matrix Spike MSD=Matrix Spike Duplicate LCS=Laboratory Control Sample LCSD=Laboratory Control Sample Duplicate RPD=Relative Percent Deviation <br /> %Recovery=100'(MS-Sample)!(Amount Spiked) RPD=100'(MS- MSD)I((MS+MSD)1 2) <br /> MS!MSD spike recoveries and 1 or°/RPD may fall outside of laboratory acceptance criteria due to one or more of the following reasons a)the sample is inhomogenous AND <br /> contains significant concentrations of analyte relative to the amount spiked or b)the spiked sample's matrix interferes with the spike recovery <br /> NIA=not enough sample to perform matrix spike and matrix spike duphcate <br /> N R=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 analyte content <br /> aborato extraction solvents such as meth leve chloride and acetone may occasionalaooear in the method blank at low levels <br /> DHS Certification No 1644 !� QA/QC Officer <br />