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Federal LCA Commons

NIST CONMAT October 2026 release

A new CONMAT release is ready. The new release is available through the National Institute of Technology CONMAT repository on the Federal LCA Commons (FLCAC) and at NIST’s Public Data repository. 

Overview of CONMAT October 2026 Changes

  • Metadata for the sources added in the previous release (1.2026-09.0) has been updated.
  • Quantitative references have been specified to two bridge processes for mineral wool and waste hydrated cement.
  • The default allocation for the "Landfilling; sludge from pulp and paper production" process has been changed to prevent it from becoming the default provider of metal scraps in some USLCI processes.
  • Bridge processes for kerosene and light fuel oil have been updated with new providers for better alignment with USLCI.
  • The bridge process to USLCI for wood chips has been substituted by an equivalent bridge process to USFS.