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110 2nd Avenue South,#D7 Pacheco CA 94553-5560 <br /> McCampbell Analytical Inc 'Telephone 925-798-1620 Fax 925 798-1622 <br /> http llwww mecHEbell corn E-mail niamccarnpbell corn <br /> I <br /> QC SUMMARY REPORT FOR SW8021B <br /> Matrix W WorkOrder 0312306 <br />' EPA Method SW8021B Extraction SW5030B BatchlD 9683 Spiked Sample ID 0312274-003A <br /> Sample Spiked MS' MSD' MS-MSD' LCS LCSD LCS-LCSD Acceptance Criteria(%) <br />' pg1L pg/L %Rec % Rec %RPD %Rec %Rec %RPD Law High <br /> Chlorobenzene ND 10 972 100 327 969 992 234 70 130 <br /> 1,1-Dlchloroethene ND 10 I1 i 118 563 117 111 463 70 130 <br />' Tnchloroethene ND 10 953 94 376 102 997 207 70 130 <br /> %SS 115 100 l06 110 3 l2 104 100 3 61 70 130 <br />' All target compounds in the Method Blank of this extraction batch were ND less than the method R1.with the following exceptions <br /> NONE <br /> MS=Matrix Spike MSD=Matrix Spike Duplicate,LCS=Laboratory Control Sample LCSD=Laboratory Control Sample Duplicate RPD=Relative Percent <br /> ' Deviation <br /> %Recovery=10o'(MS-Sample)1(Amount Spiked) RPD=100'(MS- MSD)1((MS+MSD)12) <br /> MS and 1 or MSO 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,orb)if that specific sample matrix interferes with spike recovery <br /> NIA=not enough sample to perform matrix spike and matrix spike duplicate <br /> NR=analyte concentration in sample exceeds spike amount for soil matrix or exceeds 2x spike amount for water matrix or sample diluted due to high matrix or <br /> analyte content <br /> ' Laboratory extraction solvents such as methylene chloride and acetone may occasionally appear In the method blank at low levels <br />