Laserfiche WebLink
EXCELCHEM <br /> ENVIRONMENTAL LABS <br /> 500 Giuseppe Court, Suite 9 <br /> Roseville, CA 95678 <br /> Phone# (916) 773-3664 Fax# (916) 773-4784 <br /> QA/QC REPORT <br /> Attention Mr Todd Brown Date Analyzed 04-25-97 <br /> Secor Matrix Water <br /> 1390 Willowpass Road, Suite 360 <br /> Concord, CA 94520 <br /> Project J0710-001-01/Time 0 1 - Locke Ford <br /> Ethyl- Total <br /> Benzene Toluene benzene Xylenes <br /> PPB PPB PPB PPB <br /> Reporting Limit 05 0 5 0 5 0 5 <br /> • QA/QC PARAMETER <br /> MatrLx Blank ND ND ND ND <br /> PERCENT RECOVERIES <br /> Laboratory Control Spike 97% 99% 104% 105% <br /> Laboratory Control Spike 97% 99% 103% 105% <br /> Duplicate <br /> ppb—parts per billion=ug/L.=microgram per liter <br /> N D =Not detected Compound(s)may be present at concentrations below the reporting limit <br /> AL surrogate recoveries were wither 30%of target values <br /> Spikes&Spike Duphcates were each spiked with 250 ng BTEX standard <br /> ANALYTICAL PROCEDURES <br /> BTF\—Ren/enc,tolutue etinIbenzerne and totll Nvlene t-omer;(13TEA)are measured b,, extraction using EPA MLthod 5030 followLd by analyst; <br /> u;tng EPA Method 602 which utilizes a pas eluomatograph(CYC)Equipped with a phototoni7atton detector(PID) <br /> 04-29-97 <br /> -O;L'� <br /> b story Representative Date Reported <br />