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Displaying 1 - 25 of 507

Certification of Standard Reference Material(R) 2693a Bituminous Coal (Nominal Mass Fraction 0.5 % Sulfur)

January 25, 2024
Author(s)
Thomas W. Vetter, Colleen E. Bryan Sallee, Brian Lang, Anthony F. Marlow, Jennifer Ness, Rick L. Paul, Adam L. Pintar, Bruce Scruggs, Nicholas Sharp, Maria Isabel Vega Martinez, John Sieber
Standard Reference Material (SRM) 2693a Bituminous Coal (Nominal Mass Fraction 0.5 % Sulfur) is intended for use in the evaluation of techniques employed in the determination of sulfur, mercury, chlorine, and ash in coal and materials of a similar matrix

The persistence of smoke VOCs indoors: partitioning, surface cleaning, and air cleaning in a smoke-contaminated house

October 13, 2023
Author(s)
Jienan Li, Michael F. Link, Shubhrangshu Pandit, Marc Webb, Cholaphan Deeleepojananan, Kathryn Mayer, Lauren Garofalo, Katelyn Rediger, Dustin Poppendieck, Stephen Zimmerman, Marina Vance, Vicki Grassian, Glenn Morrison, Barbara Turpin, Delphine Farmer
Wildfires are increasing in frequency, raising concerns that smoke can permeate indoor environments and expose people to chemical air contaminants. To study smoke transformations in indoor environments and evaluate mitigation strategies, we added smoke to

Mechanical Ventilation in a Residential Building Brings Outdoor NOx Indoors with Limited Implications for VOC Oxidation from NO3 Radicals

October 10, 2023
Author(s)
Michael F. Link, Jienan Li, Jenna Ditto, Han Huynh, Jie Yu, Stephen Zimmerman, Andrew Shore, Katelyn Rediger, Jonathan Abbatt, Lauren Garofalo, Delphine Farmer, Dustin Poppendieck
Energy-efficient residential building standards require the use of mechanical ventilation systems that replace indoor air with air from the outdoors. Transient outdoor pollution events can be transported indoors via the mechanical ventilation system, and

Large floating abandoned, lost or discarded fishing gear (ALDFG) is frequent marine pollution in the Hawaiian Islands and Palmyra Atoll

September 29, 2023
Author(s)
Sarah-Jeanne Royer, Raquel Corniuk, Andrew McWhirter, Harry Lynch, Kydd Pollock, Kevin O'Brien, Lauriane Escalle, Jon Lopez, Katherine Stevens, Gala Moreno, Jennifer Lynch
Abandoned, lost, or discarded fishing gear (ALDFG) is a major source of marine debris with significant ecological and economic consequences. We documented the frequency, types, sizes, and impacts of ALDFG recovered from Hawaiʻi and Palmyra Atoll in the

Federal perspective on critical research issues in nanoEHS

August 31, 2023
Author(s)
Janet Carter, Sri Nadadur, Rhema Bjorkland, William Boyes, Chuck Geraci, Vincent A. Hackley, John Howard, Alan Kennedy, Igor Linkov, Joanna Matheson, Holly Mortensen, Custudio Muinga, Elijah Petersen, Nora Savage, Stacey Standridge, Trey Thomas, Benjamin Trump
This article discusses critical issues and opportunities going forward in nanotechnology environmental, health, and safety (nanoEHS) research from the perspective of Federal Government agency participants in the U.S. National Nanotechnology Initiative (NNI

National Institute of Standards and Technology Environmental Scan 2023: Societal and Technology Landscape to Inform Science and Technology Research

August 23, 2023
Author(s)
Ashley Boggs-Russell, Kerrianne Buchanan, David W. Griffith, Heather Evans, Dimitrios Meritis, Lisa Ng, Anna Sberegaeva, Michelle Stephens
The 2023 National Institute of Standards and Technology Environmental Scan provides an analysis of key external factors that could impact NIST and the fulfillment of its mission in coming years. The analyses were conducted through three separate lenses

Non-nulling Protocols for Fast, Accurate, 3-D Velocity Measurements in Stacks

July 28, 2023
Author(s)
Iosif Isaakovich Shinder, Aaron Johnson, James Filla, Vladimir B. Khromchenko, Michael R. Moldover, Joey Boyd, John D. Wright, John R. Stoup
We present protocols for making fast, accurate, 3-D velocity measurements in the stacks of coal-fired power plants. The measurements are traceable to internationally-recognized standards; therefore, they provide a rigorous basis for measuring and/or

Assessment of a Parachor Model for the Surface Tension of Binary Mixtures

June 7, 2023
Author(s)
Alexandra Metallinou Log, Vladimir Diky, Marcia L. Huber
We constructed an experimental database for the surface tension of binary mixtures containing a wide variety of fluids, from the chemical classes (water, alcohols, amines, ketones, linear and branched alkanes, naphthenes, aromatics, refrigerants, and

Berlin Statement on Legacy and Emerging Contaminants in Polar Regions

April 6, 2023
Author(s)
Rebecca Pugh, Ralf Ebinghaus, Elena Barbaro, Susan Bengtson Nash, Cristina de Avila, Cynthia de Wit, Valeria Dulio, Janine Felden, Antonio Franco, Juergen Gandrass, Marco Grotti, Heike Herata, Kevin Hughes, Morten Jartun, Hanna Joerss, Roland Kallenborn, Jan Koschorreck, Anette Kuster, Rainer Lohmann, Zhanyun Wang, Matthew MacLeod, Caren Rauert, Jaroslav Slobodnik, Roxana Suhring, Katrin Vorkamp, Zhiyong Xie
Polar regions should be given greater consideration with respect to chemical monitoring, chemicals risk assessment, and management, consistent with requirements of the precautionary principle. Protecting the vulnerable polar environments requires (i)

Green sea turtles (Chelonia mydas) accumulate heavy metals near a former skeet shooting range in Kailua, O'ahu, Hawai'i

March 3, 2023
Author(s)
Katherine Shaw, George Balazs, T. Todd Jones, Harry Lynch, Jing Liu, George Cobb, David Klein, Jennifer Lynch
This study determined if green sea turtles (Chelonia mydas) in Kailua Bay, Oahu, in the Hawaiian Islands have elevated blood and scute Pb, As, and Sb concentrations resulting from lead deposition at a historic skeet shooting range. Blood and scute samples

Characterization of Reference Materials 8690 to 8693

February 13, 2023
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 Foams (AFFF) Formulation I, RM 8691 Per- and Polyfluoroalkyl Substances (PFAS) in Aqueous Film

Micro- and Nanoscale Surface Analysis of Late Iron Age Glass from Broborg, a Vitrified Swedish Hillfort

January 11, 2023
Author(s)
Bethany Matthews, James Neeway, Lorena Nava Farias, Jose Marcial, Bruce Arey, Jennifer Soltis, LiBor Kovarik, Zihua Zhu, Michael Schweiger, Nathan Canfield, Tamas Varga, Mark Bowden, Jamie Weaver, John McCloy, Rolf Sjoblom, Eva Hjarthner-Holdar, Mia Englund, Erik Ogenhall, Edward Vicenzi, Claire Corkhill, Clare Thorpe, Russell Hand, David Peeler, Carolyn Pearce, Albert Kruger
Archaeological glasses with prolonged exposure to biogeochemical processes in the environment can be used to understand glass alteration, which is important for the safe disposal of vitrified nuclear waste. Samples of mafic and felsic glasses with
Displaying 1 - 25 of 507