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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 /> hht p//www mc0=b-e_ll.cam E-mail main@mccampbell cam <br /> QC REPORT <br />' VOCs (EPA 8240/8260) <br />' Date 12109199-12110199 Matrix Sod <br /> Extraction NIA <br /> Concentration ug/kg %Recovery <br /> Compound Amount RPD <br />' Sample M5 MSD Spiked MS MSD <br /> SamplelD 19778 Instrument GC-4 <br />' tret-Amyl Methyl Ether 0 000 990 1040 10000 99 104 4 9 <br /> Methyl fret-Butyl Ether 0 000 1160 121 0 100 00 116 121 42 <br />' Ethyl tret-Butyl Ether 0 000 1120 1160 10000 112 116 35 <br /> Di-isopropyl Ether 0 000 1050 116 0 10000 105 116 1 100 <br /> Tolune 0 000 91 0 1120 1000 0 91 112 207 <br />' Benzene 0 000 900 96 0 10000 90 96 6 5 <br /> Chlorobenzene 0 000 1080 1090 10000 108 109 09 <br /> Trichloroethane 0 000 104 0 1120 10000 104 112 74 <br /> 1,1-Dlchloroethene 0 000 850 900 10000 85 90 57 <br /> 1 <br /> 1 <br /> 1 <br /> • �MS—Snmple� <br /> Re covey= Amoundpiked l00 <br /> MS—MSD <br /> RPD= 2100 <br /> (MS+MSD} <br /> RPD means Relative Percent Deviation <br />