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110 2nd Avenue South !lD7,Pacheco CA 94553-5560 <br /> McCampbell Analytical Inc Telephone 925-798-1620 Fax 925-798-1622 <br /> ' httpJ/www mccamphell cam E-mail main@mecampbell corn <br /> QC SUMMARY REPORT FOR SW8021B/801SCm <br /> t <br /> Matrix W WorkOrder 0302329 <br /> ' EPA Method SW8021BI8015Cm Extraction SW5030B BatchlD 5986 Spiked Sample ID NIA <br /> Sample Spiked MS" MSD* MS-MSD` LCS LCSD ILCS-LCSDIAcceptance Criteria(%) <br /> Compound <br /> pg/L. NgIL %Rec %Rec I %RPD %Rec %Rec %RPD—T---Low High <br /> TPH(gas) N/A 60 NIA N/A N/A 987 103 459 70 130 <br /> t MTBE N/A 10 N/A N/A N/A 85 1 864 1 49 70 130 <br /> Benzene N/A 10 NIA NIA N/A 97 8 99 6 1 78 70 130 <br /> Toluene NIA 10 NIA NIA N/A 92 3 95 6 353 70 130 <br /> Ethylbenzene NIA 10 NIA N/A N/A 985 103 414 70 130 <br /> Xylenes N/A 30 N/A N/A N/A 93 3 100 690 70 130 <br /> ' %SS N/A 100 1 N/A I NIA NIA 99 9 969 297 80 120 <br /> All target compounds to 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 /> . N/A=not enough sample to perform matnx spike and matrix spike duplicate <br /> NR=analyte concentration in sample exceeds spike amount for sod matrix or exceeds 2x spike amount for water matnx or sample diluted due to high matrix or <br /> analyte content <br /> I ' %Recovery=100'(MS-Sample)I(Amount Spiked) RPD=100"(MS—MSD)I(MS+MSD)'2 <br /> MS and I or MSD spike recovenes 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)if that spec3fic sample matrix interferes with spike recovery <br />