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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 /> cc b E-mail matn@tnccampbell com <br />' QC REPORT <br /> VOCs (EPA 824018260) <br /> Date 12/17199-12/18/99 Matrix Water <br /> Extraction NIA <br /> Concentration ug/L %Recovery <br /> Compound Amount RPD <br />' Sample MS MSD Spiked MS MSD <br /> SamplelD 26937 Instrument GG-4 <br /> ttret-Amyl Methyl Ether 0 000 900 880 10000 90 88 22 <br /> Methyl tret-Butyl Ether 0 000 1030 1010 10000 103 101 20 <br /> Ethyl trot-Butyl Ether 0 000 1130 1120 10000 113 112 09 <br /> Di-isopropyl Ether 0 000 1230 1260 10000 123 126 24 <br /> Tolune 0 000 960 990 10000 96 99 31 <br /> Benzene 0 000 970 1020 10000 97 102 5 0 <br /> Chlorobenzene 0 000 1040 1090 10000 104 109 4 7 <br /> Trichloroethane 0 000 1000 1030 10000 100 103 3 0 <br /> 1,1-Dlchloroethene 0 000 91 0 890 100 00 91 89 2 2 <br /> i <br />' {MS-Sample <br /> Vo Re covery= RmounlSpiked 1D0 <br /> {MS—MSD <br /> RPD= 2100 <br /> {MS+MSD) <br /> RPD mcans Relative Percent Deviation <br />