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s . I 110 211d Avenue Soudi,9D7-Pacheco,CA 94551-5560 14 McCampbell Analytical, Inc. Teleptione;925-798-1620 Fax;425-793-1622 Al Website:utivw,mccampbe!I-com E-mail:main rq nccampbe€Leone- { i QC SUMMARY REPORT FOR SW8260B Matrix: W VvorkOrder; 0409382 EPA Method: SW8260B Extraction: SW5030B BatchlO;13300 Spiked Sample ID: 0409382-004B Analyte Sample.Spiked MS' MSD" MS-MSD LCS LCSD LCS-1-CSD,Acceptance Criteria(%) Ng/L Pg11- %Ree. %Rec. %RPD %Rec. % Rec. %RPD Low High Benzene ND 10 120 ! 119 0.977 112 Ili 2.68 70 130 Methyl-t-butyl ether(MTBE) ND 10 107 106 1.65 307 I 109 1.94 70 130 ND Tolienc ND 101 f$ 1 t8 0 109 111 1.24 70 !30 °/QSSI 108 10 98 97 0.522 98.5 1 98.9 0.390 70 130 I� %S S2: 103 10 t 02 103 0.968 102 i 101 0.304 70 130 %SS3: I i 7 10 116 117 0.649 110 113 2.18 70 .130 All target compounds in the Method Blank of this extraction batch were ND less than the method RL with the Following exceptions: NONE i MS=Matrix Spike:MSD=Matrix Spike Duplicate;LCS=Laboratory Control Sample:LCSD=Laboratory Control Sample Duplioal2;RPD=Relative percent Deviation, I I I %Recovery=100'(MS-Sample)/(Amount Spiked):RPD=100"(MS- MSD)/((MS-MSD)12)- - MS!MSD spike recoveries and!or%RPD may fall outside of Paboratory acceptance criteria due to one cr more of the following reasons:a)the sample is I inhomogenous AND contains significant concentrations of analyte retative to the amount spiked.or b)the spiked sample's matrix interferes with the spike recove^r. Li NIA=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 tohigh matrix or analyle content. r Laboratory extraction solvents such as methylene chloride and acetone may occaslonally appear in the method blank at low levels. DHSCertification No. 1644 �QA/QC Officer I . I