Geology & Soil Science
Geology & Soil Science- 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
- New Jersey Geologic Survey
- New York State Geological Survey
- Ohio Geologic Survey
- Online Access to Ohio Well Logs
- Pennsylvania Geologic Survey
- Tennessee Division of Geology
- West Virginia Geological and Economic Survey
Environmental Sampling & Assessment
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
- National Aerial Photography Program, Search Page (by USGS)
Hydrogeolgy & Groundwater Modeling
Hydrogeolgy & Groundwater Modeling- 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)
Civil & Geotechnical Engineering
Civil & Geotechnical Engineering- Ohio DOT CADD Downloads
- Low-Flow Statistics for Pennsylvania Streams
- The Hydrology and Hydraulics Software Shop (by Water Resources Consulting Services)
- U.S. Army COE Hydrologic Engineering Center
- U.S. Army COE Cold Regions Research and Engineering Laboratory
Federal Agencies and Regulations
Federal Agencies and Regulations- Code of Federal Regulations (Government Printing Office)
- 1995, 1996, 1997 and 1998 Federal Register
- USEPA Home Page
- EPA Federal Register Environmental Documents
- Federal and State Environmental Agency Index (maintained by USEPA)
- United States EPA, Superfund Homepage
- USEPA - Laws and Regulations
- U.S. Air Force Center for Environmental Excellence
- U.S. Department of Energy Environmental Management
State Agencies and Regulations
State Agencies and Regulations- Federal and State Environmental Agency Index (maintained by USEPA)
- Indiana Department of Environmental Management
- Maryland Department of the Environment
- Michigan Department of Environmental Quality
- Michigan Department of Natural Resources
- New Jersey Department of Environmental Protection
- NJDEP Site Remediation Program
- New York State Department of Environmental Conservation
- Ohio Environmental Protection Agency
- Ohio Voluntary Action Program
- Pennsylvania Department of Environmental Protection
- Pennsylvania DEP Guide to Permits and Forms
- DEP Cyber Bookstore
- Pennsylvania Act 2 Land Recycling Forms
- Pennsylvania Act 2 Home Page
- Pennsylvania Code of Regulations
- Tennessee Department of Environment and Conservation
- Virginia Department of Environmental Quality
- West Virginia Division of Environmental Protection
Chemistry and Analytical Data
Chemistry and Analytical Data- ChemFinder Look up chemical-specific information by name, CAS Number, molecular formula, or molecular weight
- Superfund Contact Laboratory Program Documents
- Index to EPA Test Methods
- USEPA Environmental Test Methods and Guidelines
- Field Analytic Technologies Encyclopedia
- Chemicals in the Environment Fact Sheets (by USEPA OPPT)
- SPILLS Catalogue of Crude Oil and Oil Product Properties (excellent source of information on natural hydrocarbon composition)
- USGS STORET Homepage (Instructions for requesting data only; database is not on-line yet.)
Site Remediation
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 (US Air Force)
- Bioremediation
- Phytoremediation
- Phytoremediation of TCE using Populus
- The Phytoremediation Electronic Network (University of Parma, Italy)
- Phytoremediation Bibliography
- State Requirements
- Pennsylvania UST Cleanup Requirements
- MGK Brownfields Redevelopment (Good compilation of Brownfields programs for Pennsylvania, Delaware and New Jersey)
Climate & Stream Flow
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
- Regional Sites Menu
- 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
Toxicity Data & Regulatory Criteria
Toxicity Data & Regulatory Criteria- USEPA Drinking Water Regulations and Health Advisories Front Page (MCLs and more)
- Clean Air Act Amendments
- 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
- Pennsylvania Chapter 16 Water Quality Criteria
Biology
Biology- American Fisheries Society
- American Society of Ichthyologists and Herpetologists
- American Society of Limnology and Oceanography
- USGS Biological Resources Division
- Native Fish Conservancy
- Pennsylvania Fish and Boat Commission
- EPA's Office of Water
Mapping, Photography, GIS
Mapping, Photography, GIS- Microsoft TerraServer Aerial Photographs and Topo Maps
- National Aerial Photography Program, Search Page (by USGS)
- USGS National Mapping Information
- National Atlas (HUGE files = long downloads)
- PSU Map Library
- Pennsylvania Spatial Data Access
- Yahoo Maps and Directions
Revegetation, Plants
Revegetation, Plants Professional Associations
Professional Associations- ASFE
- American Institute of Petroleum Geologists
- American Society of Civil Engineers
- American Petroleum Institute
- National Groundwater Association
Other Information Sources
Other Information Sources- Envirofacts Warehouse : Search EPA records for permits, releases, violations, water supplies
- Thomas Register
- TransSource : Transporatation Environmental Resource Center
