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I l0 2nd Avenue South ttD7 Pacheco CA 94553-5560 McCampbell Analytical Inc Telephone 925-798 1620 Fax 925 798 1622 m � � htip llwww mccampbell^Rom E mill mamQmccampbell com QC SUMMARY REPORT FOR SW8260B Matrix W WorkOrder 0210229 EPA Method SW8260B Extraction SW5030B BatchlD 4409 Spiked Sample ID NIA Sample ; Spiked MS' MSD" 'MS-MSD" LCS LCSD iLCS-LCSDIAcceptance Criteria(%) Compound I - ------I-- - - - Ipg/L i pg/L %Rec I % Rec %RPD %Rec %Rec %RPD Low High Dusopropyl ether(DIPE) N/A 10 N/A NIA NIA 114 I 123 761 1 70 130 Ethyl tert-butyl ether(ETBE) - -N/A i 10— NIA N/A I N/A 108 116 782 - ` 70 130 - Methyl-t butyl ether(MTBE) N/A 10 — N/A NIA NIA 997 i 110 99.3 70 130 - tert-Amyl methyl ether(TAME) NIA 10 N/A NIA N/A 112 I 118 543 70 130 Methanol N/A 2500 N/A N/A N/A 112 106 5 69 70 130 Ethanol NIA 500 3 N/A N/A i N/A 987 116 164 70 130 1 2-Dibromoethane(EDB) N/A E 10 10 N/A NIA i NIA 923 i 98 598 70 130 1,2-Dichloroethane(1,2-DCA) -N/A i 10 N/A NIA NIA 103 110 671 70 130- --I— - %SS NIA 100 j N/A i N/A NIA 102 993 242 70 130 All target compounds in the Method Blank of this extraction batch were ND less than the method RL with the following exceptions lieNONE I MS=Matrix Spike MSD=Matrix Spike Duplicate LCS=Laboratory Control Sample LCSD=Laboratory Control Sample Duplicate RPD=Relative Percent Deviation NIA=not enough sample to perform matrix spike and matrix spike duplicate NR=analyte concentration in sample exceeds spike amount for sod matrix or exceeds 2x spike amount for water matrix or sample diluted due to high matrix or analyte content I %Recovery=100'(MS Sample)I(Amount Spiked) RPD=100'(MS-MSD)1(MS*MSD)`2 MS and/or MSD spike recoveries may not be near 100%or the RPDs near 0%if a)the sample is inhomogenous AND contains significant concentrations of analyte relative to the amount spiked or b)if that specific sample matrix interferes with spike recovery