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110 2nd Avenue South #D7 Pacheco CA 94553 5560 <br /> McCampbell Analytical, Inc. Telephone 925-798-1620 Fax 925 798 1622 <br />' Z4 1 Website www mccampbell corn E mail mam@mccampbell corn <br /> QC SUMMARY REPORT FOR SW8260B <br />' W O Sample Matrix Water QC Matrix Water WorkOrder 0503531 <br /> EPA Method SW8260B Extractlon SW503011 Batch10 15641 Spiked Sample ID 0503518-012C <br />' Analyte Sample Spiked MS* MSD* MS-MSD* LCS LCSD LCS-LCSD Acceptance Criteria (%) <br /> pg1L pg/L %Rec % Rec %RPD % Rec %Rec % RPD MS 1 MSD LCS/LCSD <br />' tert-Amyl methyl ether(TAME) ND 10 978 964 l 37 964 99 2 65 70- 130 70- 130 <br /> Benzene ND 10 103 104 0 441 108 109 0 719 70- 130 70- 130 <br />' t-Butyl alcohol(TBA) ND 50 103 106 262 882 855 3 10 70- 130 70- 130 <br /> I <br /> Diisopropyl ether(DIPE) ND t0 101 100 0 470 103 105 146 70- 130 70- 130 <br /> Ethyl tert-butyl ether(ETBE) ND 10 95 3 945 0 881 955 962 0 710 70- 130 70- 130 <br />' Methyl-t-butyl ether(MTBE) ND 10 104 102 2 10 976 99 2 1 65 70- 130 70- 130 <br /> Toluene ND 10 104 103 0 813 105 106 I 0 435 70- 130 70- 130 <br /> t %SS 1 124 10 too 101 139 96 96 0 70- 130 70-130 <br /> %SS2 94 10 99 99 0 98 99 0 371 70- 130 70- 130 <br /> %SS3 118 10 106 106 0 110 109 l 41 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 15641 SUMMARY <br /> Sample ID Date Sampled Date Extracted Date Analyzed Sample ID Date Sampled Date Extracted Date Analyzed <br /> 0501111-001B 111,111119 26 AM 41021013 43 PM 4/02105 3 43 PM 0503531-002B 3129/05 10 05 AM 4/02105 4 25 PM 4/02/05 4 25 PM <br />' <br /> 050353t-003B 3/29105 10 43 AM 4/02/05 5 08 PM 4102105 5 08 PM 0503531-004B 3/29/05 9 53 AM 4/02/05 5 51 PM 4/02/05 5 51 PM <br /> 0503531-005B 3129105 9 09 AM 4/02/05 6 33 PM 4/02105 6 33 PM 0503531-006B 3/29/05 10 41 AM 4/02105 7 16 PM 4/02/05 7 16 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)I(Amount Spiked) RPD=100'(MS- MSD)/((MS+MSD)12) <br /> `MS 1 MSD spike recoveries and I or%RPD may fall outside of laboratory acceptance criteria due to one or more of the following reasons a)the sample is inhomogenous <br /> AND contains significant concentrations of analyte relative to the amount spiked or b)the spiked sample's matrix interferes with the spike recovery <br />' N/A=not enough sample to perform matrix spike and matrix spike duplicate <br /> NR ri analyte concentration in sample exceeds spike amount for soil matrix or exceeds 2x spike amount for water matnx or sample diluted due to high matrix or analyte content <br /> !'L.b,,r,,,c,r,extraction solvents such as meth lene chloride and acetone may occasionally appearm the method blank at low levels <br /> DHS Certification No 1644 QA/QC Officer <br />