CEDA – Comprehensive Environmental Data Archive
Name of source CEDA Factors for the United States
Provider VitalMetrics Group (IERS LLC.)
Summary text Environmentally-Extended Input-Output Life Cycle Inventory for the U.S., designed to assist LCAs, carbon, energy, water, waste and toxic impact assessments throughout the supply chain. CEDA represents over 380 unique industries.
Contact IERS, info@iersweb.com
Licensing fee By arrangement
Language(s) English
Website http://www.vitalmetricsgroup.com/data-ceda
Access – data formats and accessibility
File type Excel (.xlsx), SQL, web-based tool
Software needs Microsoft Excel 2007 or higher
Contents – breadth and depth of datasets
Age 2014, updated annually
Geography United States
Original Data Source(s) U.S. Bureau of Economic Analysis, U.S. Environmental Protection Agency, U.S. Department of Energy, U.S. National Emission Inventory, U.S. National Agricultural Statistics Service, U.S. Department of Agriculture, U.S. National Center for Food and Agricultural Policy, U.S. Toxic Releases Inventory, U.S. Geological Survey, Food and Agricultural Organization of the United Nations, U.S. Energy Information Administration
Other Databases Included n/a
Life cycle stages Cradle-to-Gate
Modeling approach Attributional
Emissions results CEDA provides 2700+ environmental flows, most of which have been characterized by impact assessment methods such as TRACI and IMPACT+ into GWP, acidification, human health criteria, eutrophication, ozone depletion, eco-toxicity, smog, etc.
Number of datasets Varies
Main topics Products and services, Energy carriers and technologies, Materials production, Systems, Transport services, Other Services, Wastes
Other topics  
Data transparency – what metadata is provided for each dataset?
System boundaries Yes
Data Types Input-Output
Allocation Methods Yes (economic allocation and system expansion)
Technology Yes
Data year Yes
Original source Yes
Uncertainty Yes (geometric standard deviation)
Quality – is information provided on data quality?
Data quality score Yes
Quality assurance Yes
Standards compliant Multiple versions are available for standards compliance (i.e. machinery removed for PAS2050)