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I 110 2nd Ave. South,#177,Pacheco,CA 94553-5560 <br /> McCAWBELL .ANALYTICAL INC. Telephone: 925-798-1620 Fax:925-798-1622 = <br /> hgp://www.mccami2bell.com E-mail:main@mccampbell.com <br /> QC REPORT <br /> VOCs (EPA 8240/8260) <br /> Date: 10/04/00-10/05/00 Matrix: Water <br /> Extraction: NIA <br /> i Concentration: ug/l_ ! %Recovery <br /> Compound ! <br /> Amount � RlaD <br /> Sample ; MS MSD Spiked MS MSD I i <br /> Sampie[D: 101000 Instrument: GC-10 <br /> Surrogate 0.000 112.0 114.0 100.00 412 114 7=8 <br /> t Cert-Amyl Methyl Ether 0.000 i 85.0 87.0 900.00 85 87 2.3 <br /> Methyl tent-Butyl Ether 0.040 92.0 94.0 100. 92 94 2.2 <br /> Ethyl tert Butyl Ether 0.000 93.0 96.0 1 Woo { 93 96 3.2 i <br /> Di isopropyl Ether 0.000 96.0 98.0 400.©0 96 99 �� 3.1 <br /> 1 <br /> i <br /> 1 <br /> 1 <br /> 1 - <br /> Recovery= AmountSpiked -[00 1 <br /> (MS—MSD) <br /> ' RPD= Z•2Q0 <br /> (MS+AfSD) <br /> J <br /> J <br /> RPD means Relative Percent Deviation <br />