Laserfiche WebLink
I <br /> s <br /> la <br /> Alpha Analytical Laboratories Inc 860 Waugh Lane, H-1, Ukiah, California 95482 <br /> Order#000100420 <br /> e-mail chentservices®alpha-labs com Phone (707) 468-0401 Fax (707) 468 4W 1 <br /> October 11, 2000 <br /> I Advanced Geo Environmental <br /> 4005 N Wilson Way <br /> Stockton, CA 95205 <br /> Quality Control Report <br /> Matrix Duplicate <br />' Spike Spike <br /> Method Recovery Recovery RPD <br /> Blank % % % <br /> Matrix: Aqueous <br /> QC Batch MJS14/2083 <br />' Benzene NO 101 3 1004 0 9 <br /> Toluene NO 1074 1046 2 6 <br /> Ethylbenzene NO 1076 1058 1 7 <br /> m,p-Xylene NO 1042 1024 1 7 <br />' Meth I-t-but l ether NO 1031 1056 2 4 <br /> Y Y <br /> Dnsopropyl ether NO 111 7 1129 1 1 <br />' Ethyl-t-butyl ether NO 1064 1091 2 5 <br /> Teri-amyl mehtyl ether NO 942 966 2 6 <br /> Tert-Butanol " NO 50 3 Soo 0 4 <br />' 1,2-Dichloroethane NO 1029 1056 2 6 <br /> 1,2-Dibromoethane NO 101 8 1028 1 0 <br />' —Spike Recovery for Tert-Butanol was out of control, probably due to a degraded spiking solution <br /> However, a check sample showed that the independently verified GC/MS calibration was still good <br />' Reported values for Tert-Butanol are therefore considered valid <br /> This batch passes method quality control acceptance criteria <br />' ND=none detected Bruce t_ Gove, Laboratory Director <br />