Skip to main content
U.S. flag

An official website of the United States government

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

A Reference Schema for the Unit Manufacturing Process Information Model



William Bernstein, David Lechevalier


This document presents supporting documentation for a reference implementation of the Unit Manufacturing Process (UMP) information model presented in ASTM E3012, Standard Guide for Characterizing Environmental Aspects of Manufacturing Processes. A version of this schema is used in the UMP Builder (…- builder), a web-based toolkit for recording and storing UMP models.
Journal of Research (NIST JRES) -


ASTM E3012, process modeling, unit manufacturing process, XML schema


Bernstein, W. and Lechevalier, D. (2019), A Reference Schema for the Unit Manufacturing Process Information Model, Journal of Research (NIST JRES), National Institute of Standards and Technology, Gaithersburg, MD, [online], (Accessed April 18, 2024)
Created May 6, 2019, Updated March 1, 2021