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.

NIST Pubs

Implementing NIST Infiltration Correlations

Author(s)
Jyrteanna Teo, Lisa Ng
This tutorial is a guide on how to implement the NIST infiltration correlations (Ng et al., 2021) into EnergyPlus building energy simulation software for the US

Wind-driven Fire Spread to a Structure from Firewood Piles

Author(s)
Erik L. Johnsson, Kathryn Butler, Marco G. Fernandez, Shonali Nazare, Alexander Maranghides
A series of field experiments was conducted to examine the effects on fire spread toward a structure for firewood piles under conditions that may be encountered

Workshop on Incorporating Climate Change Data in U.S. Building Codes and Standards

Author(s)
Jason D. Averill, Therese P. McAllister, Andrew K. Persily, Scott Weaver, James Whetstone, Jiann C. Yang, Michael Kuperberg, Sumant Nigam, Alfredo Ruiz-Barradas
NIST hosted a workshop to advance the availability of climate information sought by organizations developing standards, model building codes, and voluntary

Preparation and Standardization of 229Th SRM 4328d

Author(s)
Ronald Colle, Lizbeth Laureano-Perez, Morgan DiGiorgio
The certified massic activity for 229Th in SRM 4328d was obtained by 4παβ liquid scintillation (LS) counting by comparative measurements in 2022 against SRM

Impact of Code Complexity On Software Analysis

Author(s)
Charles D. De Oliveira, Elizabeth Fong, Paul E. Black
The Software Assurance Metrics and Tool Evaluation (SAMATE) team studied thousands of warnings from static analyzers. Tools have difficulty distinguishing

NIST Metric Recipes

Author(s)
Elizabeth Benham, Tanna Nguyen
Cooking and baking using a kitchen scale is a fun way to build metric system abilities and apply measurement techniques. This recipe series is ideal for both

PSCR Impact Assessment: 2016-2022 Executive Summary

Author(s)
Monika Bochert, Marc Leh, Danni Leicht
The purpose of this executive summary is to provide key stakeholders with relevant information about how PSCR spent Public Safety Trust Funds and the impacts of

Characterization of Reference Materials 8690 to 8693

Author(s)
Jessica Reiner, Benjamin Place, N. Alan Heckert, Katherine Peter, Alix Rodowa
The National Institute of Standards and Technology (NIST) Reference Materials (RMs) 8690 Per- and Polyfluoroalkyl Substances (PFAS) in Aqueous Film-Forming

Checking the Net Contents of Packaged Goods

Author(s)
Tina G. Butcher, David Sefcik, Lisa Warfield, Elizabeth Benham, Shelby Bowers, Katrice Lippa
This handbook has been prepared as a procedural guide for the compliance testing of net content statements on packaged goods. Compliance testing of packaged

Generator Fleet Characteristics Model

Author(s)
Cheyney O'Fallon, Avi Gopstein
This manuscript presents the Generator Fleet Characteristics Model (GFCM), a general purpose tool for the analysis of power system operations, economics, and

Digital Signature Standard (DSS)

Author(s)
Lily Chen, Dustin Moody, Andrew Regenscheid, Angela Robinson
This standard specifies a suite of algorithms that can be used to generate a digital signature. Digital signatures are used to detect unauthorized modifications