American Industrial Hygiene Association
   Details on accreditation and analytical proficiency testing for environmental microbiology labs.
   http://www.aiha.org/

Biocatalysis/Biodegradation Database
   Microbial biocatalytic reactions and biodegradation pathways primarily for xenobiotic and chemical compounds (from the University of Minnesota).
   http://www.labmed.umn.edu/umbbd/index.html

Bioremediation Discussion Group
   An extensive collection of resources (and links to other Internet resources) about microbial ecology and biogeochemistry, as well as applications to biological remediation.
   http://www.bioremediationgroup.org/

Centre for Virology and Environmental Microbiology
   UK research organization. Topics of investigation include microbial diversity in freshwater ecosystems, biodegradation of pollutants, and biosensor development.
   http://www.nerc-oxford.ac.uk/

ORNL Microbial Biogeochemistry group
   Microbial ecology and bioremediation in the subsurface. Research couples molecular biology and bioreporter techniques with traditional microbiological methods to investigate microbial communities and the processes by which microorganisms transform hazard
   http://www.esd.ornl.gov/programs/microbes/

Source Molecular Corporation
   Environmental molecular and genetic microbial source tracking services for determining sources of fecal pollution.
   http://www.sourcemolecular.com/

Stahl Laboratory Homepage
   The homepage for the Stahl Laboratory at the University of Washington. Includes descriptions of current research projects, tools for data analyses, and a staff listing.
   http://stahl.ce.washington.edu

US EPA Microbiology Home Page
   Providing access to microbiology-related information that has been developed or managed by the agency.
   http://www.epa.gov/nerlcwww/