An official website of the United States government
Here’s how you know
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.
While awaiting full access to their labs due to COVID-19 restrictions, scientists at the National Institute of Standards and Technology (NIST) have taken this
The National Institute of Standards and Technology (NIST) has updated its database of chemical fingerprints, called mass spectra, that are used to identify
In response to the COVID-19 pandemic, hospitals across the United States are disinfecting N95 masks by placing them in repurposed rooms or shipping containers
Cigarette butts pile up in parks, beaches, streets and bus stops, places where all types of littering are frowned upon. An estimated more than five trillion
The NIST Standard Reference Photometer (SRP), developed jointly with the U.S. Environmental Protection Agency (USEPA), has provided an infrastructure for the
To support regulatory and industry requirements for reference materials and standards, NIST produces and maintains a large inventory of fossil fuel SRMs that
As a result of the environmental impact of mercury and the neurotoxic risk associated with trophic transfer of methyl mercury to humans, the reduction of
Advanced microscopy and spectroscopy techniques are used in this project to study the chemical and physical properties of particles contained in complex
Bowen Du, Zhenyu Tian, Katherine T. Peter, Edward P. Kolodziej, Charles S. Wong
Non-point source pollution in urban receiving waters often adversely impacts both humans and ecosystems. Identifying such pollution sources is challenging and
Xinyu Li, Maribel Garc?a-Ib??ez, Brendan Carter, Baoshen Chen, Qian Li, Regina A. Easley, Wei-Jun Cai
Ocean acidification, a phenomenon of seawater pH decreasing due to increasing atmospheric CO2, has a global effect on seawater chemistry, marine biology, and
Courtney D. Grimes, Joseph M. Conny, Russell Dickerson
Thermal Optical Analysis (TOA), a commonly implemented technique used to measure the amount of particulate carbon in the atmosphere or deposited on a filter
DESCRIPTIONThe Standard Reference Photometer (SRP) Program began in the early 1980s as collaboration between NIST and the U.S. Environmental Protection Agency