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ty Bioremediation in the Field
<br /> bioreactor was used at 42 percent of the sites report-
<br /> EPA Issues Report
<br /> D
<br /> ing ground-water treatment. At those sites where aon Bioremediation bioreactor was not used, ground water was typically
<br /> pumped to the surface, amended with nutrients,and
<br /> Case Study reinjected. Twenty-nine percent of the case studies
<br /> Collection reported the use of additional technologies to supple-
<br /> ment bioremediation.
<br /> he U.S. Environmental Protection Agency's (EPA} EPA will be updating and expanding this data base
<br /> with information supplied by vendors, contractors,
<br /> ffice of Research and Development (ORD) recently and industry. Information will be sent to specific
<br /> leased Bioremediation Case Studd Collection: T99T companies and a general notice will appear in a
<br /> !vrrentation of the Alternative Treatrnt!nt Technology future issue of this bulletin.
<br /> formation Center (ATTIC). This report documents
<br /> +e results of a 1991 effort by the Data Identifica_ To order a copy of the 31 -page report, write to ORD
<br /> on/Collection Subcommittee of EPA's Bioremedia- Publications Office, Center for Environmental Re-
<br /> on Action Committee (BAC) to increase the number search Information, 26 West (Martin Luther King
<br /> bioremediation case studies in ORD's ATTIC data Drive, Cincinnati, OH 45268-1072, or call 513-569-
<br /> ise. This data base includes information on biologi- 7562. To order hard copy of all 132 case studies, write
<br /> it technologies, as well as thermal, solidifica- to Dr. Curtis Harlin, Office of Research and Develop-
<br /> on/stabilization, chemical, and physical ment, U.S. EPA, 401 M Street SW., Washington, DC
<br /> �chnologies. 20460, or call Dr. Harlin at 202-260-9642. For more
<br /> total, BAC collected information on 240 sites information on the ATTIC data base, contact the sys-
<br /> here private companies are using bioremediation
<br /> tems operator at 301-670-6294.
<br /> clean up hazardous contaminants. This informa-
<br /> on ranged in detail from brief summaries to 30-page Companies Included in the Report
<br /> .ports. BAC determined that 132 sites had sufficient
<br /> ,formation to meet ATTIC database acceptance cri- Location of
<br /> lea. ORD's report presents statistics on the number Participating Coordinating
<br /> ase studies accepted by scale of project, contami Company` Office
<br /> ants treated,media treated, and treatment methods. ABB Environmental Wakefield, _'.TA
<br /> lough not comprehensive, the report suggests a pro-
<br /> .e of current bioremediation activities in the field. CET Envrronmental _cry ices Long Beach, CA
<br /> ver 65 percent of the case studies describe full-scale ECOVA Corporation Redmond, WA
<br /> ojects, 20 percent describe pilot-scale projects, and Environmental Remediation, Inc. Baton Rouge, LA
<br /> percent describe laboratory-scale projects. Petro- Groundwater Technology, Inc. Concord, CA
<br /> um was the most common contaminant, undergo- IT Corporation Knoxville, TN
<br /> 'g treatment at 56 percent of the sites; wood
<br /> -eservatives were second at about 11 percent, fol- OHM Corporation Walnut Creek, CA
<br /> wed by solvents at 8 percent. Soil was the sole Remediation Technologies, Inc. Chapel Hill, NC
<br /> edium treated at 46 percent of the sites, soil and Rov F. Weston, Inc.. West Chester, PA
<br /> 'ound water were treated jointly at 23 percent of the
<br /> les, and ground water alone was treated at 16 per- Woodward-Clyde San Diego, CA
<br /> ,nt of the sites. Over 60 percent of the sites remediat- *Participating companies submitted
<br /> .g soil employed solid phase/land treatment, in information voluntarily,
<br /> hick soil was spread over a prepared area and
<br /> gated to optimize conditions for biodegradation- A
<br /> Technology Innovation Office Releases Groundwater Currents
<br /> ',rounduuterCurrents,the latest technology newsletter from the Technology Innovation Office,is now available.
<br /> k
<br /> oundwater Currents reports on the development and application of innovative in situ and ex situ ground-
<br /> ter remediation technologies. Articles also will include innovative monitoring; technologies and analysis
<br /> tems, references to new regulations that impact ground-water rernediatiun, highlights on current issues
<br /> such as dense nonaqueous phase liquids (DNAPLs), and information on conferences and publications. To be
<br /> included on the permanent mailing list,send a fax request to the EPA Publications and Information Center(EPIC)
<br /> at 513-891-6685, or send a mail request to EPIC, 11029 Kenwood Road,Building 5,Cincinnati,Ohio 45242.
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