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Welcome to the U.S. Life Cycle Inventory (LCI) Database Content Repository. This repository contains supplemental resources for the USLCI online database, a group of the Federal LCA Commons. The most important resources are shown in Table 1. A complete list of USLCI resources is given in the List of Resources section below.

Table 1. Key USLCI Supplementary Resources|

USLCI Data Submission Handbook	USLCI Database Downloads
Guidelines and resources for submitting data to and publishing in the USLCI	Complete USLCI database downloads in the most common data formats

Metadata Guidance	USLCI Update Press Release
Guidelines for completing metadata fields in openLCA unit &/or system processes	Release details & latest news on USLCI as a part of the Federal LCA Commons

List of Resources

USLCI Submission Handbook

USLCI Release Information

• USLCI Update Press Release
• Change log
• USLCI Release Downloads
• Release statistics

Supplementary Resources

• openLCA Software & Methods - Current Downloads - Contains:
  • openLCA v1.7
  • openLCA LCIA method pack 1.5.7
  • openLCA LCIA method pack 1.5.6 as database for openLCA 1.5
  • US EPA - Data Quality System
• openLCA Software - Older Versions
• openLCA Manuals & Learning Resources
• EPA Chemistry Dashboard - provides access to chemical structures, synonyms (for nomenclature purposes), and other physicochemical property data associated with chemical substances; data are compiled from EPA's computational toxicology research databases and public domain databases
• EPA Guidance on Data Quality Assessment for LCI Data - provides guidance on selecting process- and flow-level indicators for your life cycle inventory (LCI) data, especially using the EPA Data Quality Pedigree Matrix in openLCA