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110 2nd Avenue South 907 Pacheco CA 94553-5560 <br /> F4McCampbell Analytical Inc Telephone 925-798-1620 Fax 925-798 1622 <br />' http 1/www mccampbell com E mad main(a�mccampbe]I com <br /> • QC SUMMARY REPORT FOR SW8021B/8015Cm <br /> Matrix W WorkOrder 0211445 <br /> ' EPA Method SW8021 B/8015Cm Extraction SW5030B -- BatchlD 5070 Spiked Sample ID NIA <br /> Sample Spiked MS" MSD' MS-MSD` LCS LCSD LCS-LCSD Acceptance Criteria{%) <br /> Compound <br /> pg/L� pglL % Rec %Ree %RPD %Rec %Rec %RPD Low High <br /> TPH(gas) N/A 60 NIA N/A N/A 10t 101 0132 80 120 <br /> MTBE NIA 10 N/A N/A N/A 102 994 232 80 120 <br /> Benzene NIA 10 NIA NIA NIA 102 971 453 80 120 <br /> ' Toluene NIA 10 N/A N/A NIA 103 979 465 80 120 <br /> Ethylbenzene N/A 10 NIA N/A NIA 100 949 5 19 80 120 <br /> Xylenes N/A 30 NIA N/A N/A 103 997 361 80 120 <br /> ' %SS NIA 100 N/A NIA NIA 914 891 264 80 120 <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 /> 1 <br /> MS=Matrix Spike MSD=Matrix Spike Duplicate LCS=Laboratory Control Sample LCSD=Laboratory Control Sample Duplicate RPD=Relative Percent <br /> ' Deviation <br /> . NIA=not enough sample to perform matrix spike and matrix spike duplicate <br /> 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 <br /> ' analyte content <br /> %Recovery=100"(MS-Sample)I(Amount Spiked),RPD=100`(MS—MSD)I(MS+MSD)'2 <br /> MS and 1 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 <br /> ' analyte relative to the amount spiked or b)rf that s ecific sample matrix interferes with spike recove <br />