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• <br />• <br />0 <br />McCampbell Analytical Inc <br />Telephone 925-798-1620 Fax 925-798-1622 <br />v%mmccampbell corn E-mail maininlmccamnbell cam <br />QC SUMMARY REPORT FOR SW8021B/8015Cm <br />BatchlD 2489 Matrix W <br />WorkOrder 0206271 <br />EPA Method SW8021 B/8015Cm Extraction SW5030B Ext Date 6/17/02 Spiked Sample ID 020626MOlA <br />Compound <br />Sample <br />Spiked <br />MS" <br />MSD` <br />MS -MSD* <br />LCS <br />LCSD <br />LCS-LCSD <br />Acceptance Criteria (%} <br />pg/L <br />li <br />% Rec <br />% RPD <br />% Rec <br />% Rec <br />% RPD <br />Low <br />High <br />TPH(gas) <br />ND <br />60 <br />102 <br />103 <br />105 <br />994 <br />981 <br />14 <br />80 <br />120 <br />MTBE <br />ND <br />10 <br />85 1 <br />879 <br />327 <br />95 1 <br />929 <br />2 4 <br />80 <br />120 <br />Benzene <br />ND <br />10 <br />954 <br />974 <br />206 <br />113 <br />109 <br />3 4 <br />80 <br />120 <br />Toluene <br />ND <br />10 <br />983 <br />100 <br />1 67 <br />119 <br />116 <br />2 4 <br />80 <br />120 <br />Ethylbenzene <br />ND <br />I0 <br />998 <br />lot <br />1 70 <br />117 <br />11.4 <br />3 1 <br />80 <br />120 <br />Xylenes <br />ND <br />30 <br />99 <br />997 <br />0 671 <br />117 <br />113 <br />2 9 <br />80 <br />120 <br />°/es$ <br />997 <br />10 <br />997 <br />100 <br />0 662 <br />108 <br />104 <br />3 9 <br />80 <br />120 <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 />MS = Matrix Spike MSD = Matrix Spike Duplicate LCS = Laboratory Control Sample LCSD =Laboratory Control Sample Duplicate RPD = Relahve Percent <br />Deviation <br />NIA = not enough sample to perform matrix spike or analyte concentration in sample exceeds spike amount <br />% Recovery = 100 * (MS-Sample)1(Amount Spiked), RPD = 100 * (MS — MSD) I (MS + MSD) * 2 <br />* MS and/or MSD spike recoveries may not be near 100% or their RPDs near 0% if a) the sample is inhomogeneous AND contains significant concentrations of <br />analyze relative to the amount spiked or b) it that sperafic sample matrix interferes with spike recovery <br />