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' 110 2nd Ave South,##D7,Pacheco, CA 94553-5560 <br /> McCAMPBELL ANALYTICAL INC Telephone 925-798-1620 Fax 925-798-1622 <br /> http//www mccampbell com E-mail main@mccampbell cam <br /> s <br />' <br /> QC REPORT <br /> VOCs (EPA 8240/8260) <br /> I <br />' Date 09119101-09120101 Extraction -EPA 5030 Matrix Water <br /> T__ <br /> - <br /> Concentration ug/L € %Recovery <br /> Compound I--- -- - -- r _- - ---=--- r --- <br /> 1 Amount RPD <br /> _ISample MS— MSD Spiked I MS - MSD <br /> SamplelD 91801 Instrument GC-10 <br />' Surrogate NO 1020 1020 10000 102 102 00 <br /> tert-Amyl Methyl Ether NO 106 103 1000 106 103 29 <br />' Methyl ter#-Butyl Ether NO 123 120 1000 123 120 25 <br /> Ethyl tent-Butyl Ether NO <br /> 113 Y 109 1000 - 113 109 36 <br /> Di-isopropyl Ether NO = 115 113 1000 115 �- 113 - 1 8 <br />' Toluene NO 92 T 9 0 10 00 92 90 <br /> 22 <br /> Benzene � --� <br /> ND 9 6 9 5 1000 96 95 I� 1 0 <br /> Chlorobenzene -- <br /> • NO 93 92 1000 9-T 92 1 1 <br /> i <br /> Trichloroethane NO 76 74 1000 I 76 74 �, 2 7 I <br /> 1,1-Dichloroethene 11 NO T 9 5 T 931000 95 T 93 1 <br /> 21 <br />' (MS—Sanrpte) <br /> Re covery 100 <br /> AnrorurlSprkeJ <br />' RPD=(MS—MSD) 2 100 <br /> (AC+MSD} <br /> RPD means Relative Percent Deviation <br />