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Environment

Greenhouse Gas Measurements

Projects/Programs

Keyword

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Methods and Standards for Measurement of Atmospheric Aerosol Radiative Properties

Ongoing

Aerosols represent the second largest contributor to atmospheric heating after CO 2. Aerosol optical properties are poorly understood, resulting in the largest

Conceptual Art of Gas Molecules Adsorbed in a Zeolite Adsorbent

NIST Data Resources for Adsorption

Ongoing

NIST provides data resources related to adsorption of both gases and liquids on solid adsorbents through the NIST Data Resources for Adsorption Science and

NIST Ocean Carbon Measurements

Ongoing

The ocean is a driver for global climate which absorbs approximately 25 % of CO 2 emissions. This excess of CO 2 flowing into the ocean leads to changes in the

Photograph of the NIST Standard Reference Photometer showing the component modules consisting of optical bench with sample and reference tubes, ozone generator module with controls and tubing, and control module with numeric LED displays.

The NIST Standard Reference Photometer for Ozone Measurement Traceability

Ongoing

The NIST Standard Reference Photometer (SRP), developed jointly with the U.S. Environmental Protection Agency (USEPA), has provided an infrastructure for the

Northeast Corridor Urban Test Bed for Greenhouse Gas Emissions

Ongoing

The Northeast Corridor (NEC) was established in 2015 as the third NIST urban testbed following those for Indianapolis and Los Angeles. The NEC project is

Illustrated cube has crystal framework in gray with red balls interspersed in the open spaces.

Performance Metrics for Direct Air Capture of Carbon Dioxide

Ongoing

For the Direct Air Capture (DAC) of CO2 from the atmosphere it is important to know how well the materials will perform as sorbents. Current material

Smoke Stack Flow Measurement

Ongoing

Presently used methods to measure CO 2 and other emissions from smoke stacks have errors of 20 % or more depending on the level of swirl in the flow. The

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----Cellular Engineering Group
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----Complex Microbial Systems Group
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---Chemical Sciences Division
----Biochemical and Exposure Science Group
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----Optical Measurements Group
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----Gas Sensing Metrology Group
----Inorganic Chemical Metrology Group
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----Chemical Sciences Division - HQ
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---Biomolecular Measurement Division
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---Quantum Measurement Division
----Quantum Optics Group
----Mass and Force Group
----Quantum Measurement - HQ
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----Fundamental Electrical Measurements Group
----Applied Electrical Metrology Group
----Atomic Spectroscopy Group
---Quantum Sensors Division
----Device Fabrication Group
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----Microfabrication Group
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---Nanoscale Device Characterization Division
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