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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 /> h9p//www rnccarx►pbell corn E-mail main@mccampbell com <br /> QC REPORT <br /> I VOCs (EPA 824018260) <br /> Date 05130100-05131100 Matrix Water <br /> Extraction NIA <br /> Concentration ug/L %Recovery <br /> Compound Amount RPD <br /> Sample MS MSD Spiced MS MSD <br />' SamplelD 6900 Instrument GC-10 <br />' Surrogate 0 000 920 920 10000 92 92 00 <br /> I tert-Amyl Methyl Ether 0 000 990 910 10000 99 91 84 <br /> Methyl tert-Butyl Ether 0 000 900 910 10000 90 91 1 1 <br />' Ethyl tert-Butyl Ether 0 000 920 950 10000 92 95 32 <br /> Di-isopropyl Ether 0 000 880 89 0 100 00 88 89 1 1 <br /> t <br /> 1 <br /> 1 <br /> r v <br /> MS—Sample <br /> Vo Re covery= Amoun piked S-0 <br /> MS—MSD <br /> RPDA 2100 <br /> MS+MSD <br /> RPD means Relative Percent Deviation <br />