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EXCELCHE <br /> ENVIRONMENTAL LABS <br /> 500 Giuseppe Court, Suite 9 <br /> Roseville, CA 95678 <br /> Phone# (916) 773-3664 Fax# (916) 773-4784 <br /> 0A/4C REPORT <br /> Attention Mi Vic Cheiven TPHd Analyzed 02-27-96 <br /> UPGRADIENT Matrix Water <br /> tO17 26th Street <br /> Sacramento, CA 95816 <br /> Project 96013 /Teresi Trucking <br /> TPHd <br /> PPB <br /> -Reporting Limit 50 <br /> QA/QC PARAMETER <br /> Matrix Blank ND <br /> PERCENT RECOVERIES <br /> Laboratory Control Spike 73% <br /> Laboratory Control Spike Duplicate 86% <br /> ppb=parts per billion=ug/L=microgram per liter <br /> ND=Nut(letected Compound(s)may be present at concentration+below the reporting limit <br /> Spikes&Spike Duplicates i.ere each spiked with 5000 ug of diesel standard <br /> ANALYTICAL PROCEDURES <br /> TPHd-Total petroleum hydrocarbons as diesel(high boiling points)are memurLd by extraction using EPA Method 3510 followed by modified EPA <br /> Method 8015 with dlrea sample Intecnon into a GC+quipped with an FID <br /> „ 02-28-96 <br /> aboi story Representative Date Reported <br /> EXCEL CHFNI FNI,TRONNIENTAL LA13S IS CERTIFIED BY THE SLATE OF CALIFORNIA <br /> DFPARTIvIENT OF HEAT rH SERVICES AS A HAZARDOUS WASTE TESTING LABORATORY <br /> (LerhficahonNu 1760) <br />