.

.   Geology & Soil Science | Environmental Sampling & Assessment | Hydrogeology & Hydrology | Federal Agencies & Regulations | State Agencies & Regulations | Chemistry & Analytical Data | Site Remediation | Climate & Stream Flow | Toxicity Data & Regulatory Criteria | Mapping, Photography, GIS | Professional Associations | Other Information Sources   Geology & Soil Science ISO 14000 InfoCenter Green Pages U.S. Geological Survey Index to State Geologic Surveys (by American Association of State Geologists) Color Landform Atlas of the United States Mineralogy Database Indiana Geological Survey Ohio Geologic Survey Online Access to Ohio Well Logs top Environmental Sampling & Assessment EPA Issue Papers (sampling methods and site assessment) EPA Subsurface Investigation and Remediation Division Publications Microsoft TerraServer Aerial Photographs and Topo Maps top Hydrogeology & Hydrology EPA Center for Subsurface Modeling Support (CSMoS) (download modeling software) International Ground Water Modeling Center USGS Groundwater Modeling Software GroundwaterSoftware.com Modeling Subsurface Transport of Petroleum Hydrocarbons (USEPA) The Hydrology and Hydraulics Software Shop (by Water Resources Consulting Services) U.S. Army COE Hydrologic Engineering Center top Federal Agencies & Regulations Code of Federal Regulations (Government Printing Office) 1995, 1996, 1997 and 1998 Federal Register U.S. EPA Home Page EPA Federal Register Environmental Documents State Environmental Agency Index United States EPA, Superfund Homepage U.S. EPA - Laws and Regulations U.S. Air Force Center for Environmental Excellence U.S. Department of Energy Environmental Management U.S. EPA Region 5 Home U.S. Fish & Wildlife Service U.S. Army Corps of Engineers top State Agencies & Regulations Environmental professional's Homepage - Government Agencies Indiana Department of Environmental Management Michigan Department of Environmental Quality Michigan Department of Natural Resources Ohio Environmental Protection Agency Ohio Voluntary Action Program top Chemistry & Analytical Data ChemFinder (look up chemical-specific information by name, CAS Number, molecular formula, or molecular weight) Index to EPA Test Methods USEPA Environmental Test Methods and Guidelines Field Analytic Technologies Encyclopedia Chemicals in the Environment Fact Sheets (by USEPA OPPT) top Site Remediation Compilations of Technologies EPA's Hazardous Waste Clean-Up Information (CLU-IN) Remediation Technologies (by Groundwater Remediation Technologies Analysis Center) EPA Treatment Technologies Screening Matrix EPA Publications on Remediation Technologies Natural Attenuation Sandia Lab's Monitored Natural Attenuation Toolbox EPA's Directive on the Use of Natural Attenuation Protocol for Evaluating Natural Attenuation of Chlorinated Solvents (U.S. Air Force) Bioremediation EPA List of Links to Bioremediation Documents Phytoremediation Phytoremediation of TCE using Populus The Phytoremediation Electronic Network (University of Parma, Italy) Phytoremediation Bibliography top Climate & Stream Flow National Climatic Data Center (download historic climatological data and maps) National Weather Service Monthly Normal Temperature and Precipitation Tables Eastern Regional Sites Water Year Precipitation Data USGS Real-Time Water Data (access current data for any USGS gauging station) Low-Flow Statistics for Pennsylvania Streams Great Lakes and Ohio River Navigation Reports (U.S. Army COE) Ohio River Valley Water Sanitation Commission Climatic Averages and Records top Toxicity Data & Regulatory Criteria USEPA Drinking Water Regulations and Health Advisories Front Page (MCLs and more) ToxFAQs Hazardous Substance Fact Sheets (by ASTDR) EPA's Integrated Risk Information System (IRIS) MSDS Collection Extension Toxicology Network (fact sheets and data resources from a cooperative university effort) National Recommended Water Quality Criteria USEPA Region 9 Preliminary Remediation Goals top Mapping, Photography, GIS EPA's TRI Facility Siting Tool (interactive maps and aerial photography to help you get accurate latitude and longitude coordinates of your facility) Microsoft TerraServer Aerial Photographs and Topo Maps USGS PhotoFinder USGS National Mapping Information National Atlas (HUGE files = long downloads) Yahoo Maps and Directions Spaceimaging (worldwide digital satellite imagery for a wide number of uses) Topozone (interactive USGS topo map coverage of the entire United States; maps are good quality and printable) top Professional Associations ASFE American Society of Civil Engineers American Petroleum Institute National Groundwater Association top Other Information Sources Envirofacts Warehouse (search EPA records for permits, releases, violations, water supplies) Thomas Register TransSource (Transportation Environmental Resource Center) top