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04/19/2000 02.26 2093671163 FOOTHILL ENGINEERING PAGE 03 <br />'-4 <br />Biorewediation of Draw Down Test Discharge Water ilot Study <br />The contaminated discharge water will be bceated with 1 coutiunuous Clow liquid bioremediation rektor_ <br />The bioramedia#ionzuactor will contain n,synthetic fix -filth dual-phase bioreactor with forced air. The <br />water within the biomactor will be heated to 75 F. The I ioreactor will operate in the arabic metabolism <br />mode. Nutrients may be added to ergmnce the bioreactpr as rNuired. <br />Discharge water sampling will be performed before tre tmcm and on two day intervals. Samples will he <br />analyzed by EPA method 82605, <br />Final Disposal of Discharge `Nater <br />Discharge water may be disposed of in one of two met iods- If the treated water is aimlyzecl to be at or <br />below discharge standards, the water will be used for du I control offsite. lfafter treatment the water does <br />not meet the EPA discharge standards, the water will wanifested to a state approved disposal site_ <br />REPORT OF FINDINGS <br />,After the pump draw dowa test las been completed, a st mdard agineering report covering the activities <br />of thepump test will be issued. This report will present the findings of the pump test and conclusions as <br />th-. feasibility of a pump and twat program. <br />A separate report of findings will be issued covering t contaminated extraction well water treatment. <br />This report will cover the results firom the bioreactor a ueut analysis and the practicality of future use <br />on the site. <br />AVAILABLE FUNDING <br />The work proposed by this work plan is subject to avai le l' wding from the State UST Cleanup Fund. <br />Funds will be requested for both the pump test and tit bioreactor pilot study. if only the pump test is <br />f4ndcd, the bioreactor pilot study will not be impl . <br />This reclamation project is driven by the needs ofdeve <br />construct a building on this site with or without the re( <br />be much less if the extraction wells ani# plumbing am <br />Please contact Ervin llifenbuurg of this office <br />plam <br />Respectfully submitted, <br />Foothill Ecgineering <br />Ervin Rifenburg, RCE <br />cc: Jim Anagagnos for Sun West Liquor's <br />cc: William Mitchell FAX 925M8-8032 <br />3 <br />s construction schedule. The developer will <br />ion of the site. The cost of reclamation will <br />!ed before construction starts. <br />1. ) if any questions arise mneerning this work <br />