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I110 2nd Avenue South,#D7,Pacheco,CA 94553-5560 McCampbell Analytical, Inc. Telephone 925 798-1620 Fax 925-798-1622 Website www mccampbell cam E-mail main@mccarnpbeil com 0 QC SUMMARY REPORT FOR SW8021S/8015Cm I W 0 Sample Matrix Water QC Matrix Water WorkOrder 0410373 ' EPA Method SW8021 B18015CM Extraction SW5030B BatchlD 13706 Spliced Sample ID 0410376-003B Analyte S Sample Spiked M ' MSD' MS-MSD' LCS LCSD LCS-LCSD Acceptance Criteria(%) pg/L Ng/L % Rec % Rea %RPD %Rec % Rea %RPD Low High TPH(btex)E ND 60 823 998 193 976 934 437 70 130 ' MTBE ND 10 993 996 0 330 852 909 648 70 130 Benzene ND 10 101 101 0 98 5 107 853 70 130 Toluene ND 10 977 971 0 580 976 105 7 15 70 130 ' Ethylbenzene ND 10 101 102 0 355 995 104 451 70 130 Xylenes ND 30 907 91 0 367 963 913 563 70 130 ' %SS 100 10 104 102 1 204 1 106 1 111 497 70 130 I A]I target compounds in the Method Blank of this extraction batch were ND less than the method RL with the following exceptions ' NONE lie I 1 I 1 ' MS=Matrix Spike MSD=Matrix Spike Duplicate,LCS=Laboratory Control Sample LCSD=Laboratory Control Sample Duplicate,RPD=Relative Percent Deviation %Recovery=100'(MS-Sample)/(Amount Spiced) RPD=100'(MS- MSD)/((MS+MSD)12) '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 contains significant concentrations of analyte relative to the amount spiked or b)the spiked sample's matnx interferes with the spike recovery £TPH(blex)=sum of BTEX areas from the FID 9 cluttered chromatogram sample peak coelutes with surrogate peak NIA=not applicable or not enough sample to perform matrix spike and matrix spike duplicate NR=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 ' janalyte content DHS Certification No 1644 QA/QC Officer