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110 2nd Ave. South,#D7,Pacheco,CA 94553-5560 <br /> IMGCA TWBELL ANALYnCAL INC. 'telephone: 925-798-1620 Fax:925-798-1622 <br /> . bM:llwww.mccamnhell.com E-mail:main@mccampbell.com <br /> QC REPORT <br /> VOCs (EPA 824018260) <br />' Date: 07105101-07106101 Extraction: EPA 5030 Matrix: Water <br /> Concentration: ug1L %Recovery <br /> Compound Amount RPD <br /> Sample; MS MSO Spiked MS MSD E I <br /> SaMplelQ: 70101 Ins hent GC-10 <br />' Surrogate NO I 100.0 101.0 100.00 1 100 101 � 1.0 <br /> tert-Amy! Methyl,Ether ND 7.5 7.6 10.00 75 76 1.3 <br /> Methyl tart-Baty!Ether NO 7.5 7.6 10.00 75 I 76 1.3 <br /> Ethyl tert-Butyl Ether NO 8.5 8.6 10.00 85 ; 86 1.2 <br />' DHsopropyi Ether ND 9.2 9.4 10.00 92 94 2-2 F <br /> Toluene NO 10.6 10.8 10.00 106 108 1.9 <br />' . Benzene NO 9.8 10.0 10.00 98 100 i 2.0 <br /> Chlorobenzene NO 9.9 10.1 10.eD ; 99 101 2.0 I <br /> Trichloroethane <br /> NO 9.2 9.4 10.00 92 94 2.2 <br /> 1,1-Dichloroethene NO 11.1 11.4 10.00 1 111 114 2.7 j <br /> %RC covey= Z;i-o 44peked 100 <br />' (US-MSD) <br /> RPD= 2400 <br /> (MS+MSD) <br />