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10--ftmew C_ <br /> ,.� BO-REM, INC. <br /> , <br /> P O Box 116• Butler IN 46721 219 6668 5G27 <br /> 1-800-48UGMAN {1 600- 26 4620 <br /> FA>, 219 808 585' <br /> r <br /> CASE HISTORY (82490) <br /> Site Owner A Petrolcum Jobber <br /> Site Survey Site and geological surveys had revealed a contatmnated area down gradient form <br /> the existing fuel tanks It was funkier determined that the contamination was not <br />' from the existing tanks through precision testing The bonngs destnbed the con- <br /> tamination as resting between the 14 and 20 foot level below the parking lot <br /> The entire property consisted of fill Ground watcr was 12 to 14 feet from <br /> the surface <br />' Method In-Situ Bioremediauon was suggested The overburden would not have to be <br /> removed and the contarrunauon could be treated without excavation This is all <br /> possible because of the ability of the Bio-Rem bacteria being able to work in low- <br /> level oxygen condiuons Borings were made to the 14 foot level on 10 foot <br /> centers, forming a grid of holes Through these holes, bacteria, nutrients, and <br /> water were introduced Amounts of bacteria were calculated to match the <br /> strength of the contariunation A program of monitonng of the vapors in the holes <br /> was started just pnor to the introduction of the bacteria Weekly readings were <br /> made and recorded When norldetect readings were obtained, water samples were <br /> sent to an independent laboratory for analysis Six weeks from the placing of the <br /> bactena, nondetectable readings on BET?C were obtained <br />' Comments This site has received a "No Further Acuon" status by the state authority The <br /> property has no tie to a disposal site, with its future liabiliues <br /> 1 <br /> rPage 22 <br />' 59 <br />