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NIST and the Centers for Disease Control and Prevention (CDC) have collaborated to develop SRMs to meet the expanding needs for exposure science measurements of
Marine mammals have been protected in the United States since 1972 under the Marine Mammal Protection Act (MMPA). The U.S. Pacific Islands and surrounding
Our multifaceted program provides numerous outputs to assist our customers. First, we develop and evaluate a variety of measurement techniques that provide
Plastics have undoubtedly brought numerous benefits to society, but the issue of plastic pollution has emerged as a significant global environmental challenge
The accurate mass determination of DNA and other nucleic acids is of critical importance in many clinical diagnoses and in forensic and molecular biological
The global warming potential (GWP) of numerous compounds used by U.S. industry is either not known or poorly estimated. Working with the EPA, a set of nearly 1
Transition metal nanoparticle catalysts show great promise as a breakthrough for the realization of efficient and economical fuel cells. Fuel cells can provide
This program is aimed at determining the fundamental chemical and physical properties of the large organic compounds in fuels related to their combustion. Such
The certification for all SRM neutral density filters expires after two years. We maintain a program to recertify such filters produced by us. Filters returned
Reference materials (RMs), including NIST Standard Reference Materials (SRMs) are used for quality assurance, traceability of measurements and instrument and
National Institute of Standards and Technology (NIST) fossil fuel Standard Reference Materials (SRMs) continue to be in high demand by the petroleum industry
The Centers for Disease Control and Prevention (CDC) collects data on elemental composition of human body fluids and tissues as part of major studies such as
The NIST Biorepository houses over 130,000 sample aliquots and the number continues to grow yearly. Fewer than 10% of these have been analyzed for environmental
In 1999, the U.S. Fish and Wildlife Service Alaska Maritime National Wildlife Refuge (USFWS-AMNWR), the U.S. Geological Survey Biological Resources Division
Using data from REFPROP 8.0, thermodynamic quantities for the self-solvation of 76 pure fluids were computed. These quantities are valuable for comparison to
Significant environmental remediation efforts are being conducted to address the hazards posed by the long-term terrestrial disposal of hexavalent chromium in
For decades, NIST has provided the SRM 3100 series single-element standard solutions. The certified values are traceable to the International System of Units
NIST’s Material Measurement Laboratory is developing prototype “breath in a bottle” reference materials and a breath surrogate delivery system to create matrix
The endocrine system orchestrates major developmental, reproductive, and other physiological changes throughout life. A detailed analysis of hormone suites can
Microbeam X-ray fluorescence (µXRF) has been used nondestructively to investigate elemental heterogeneity by constructing two-dimensional maps of elemental
After enactment of the CPSIA, a collaboration was established between the Consumer Product Safety Commission (CPSC) and NIST for the purpose of developing tools
The Chemical Sciences Division is involved in development of standards and reference materials for restricted hazardous substances through participation in
Mass spectrometry is an important technique in analytical chemistry, essential in areas including drug development, criminal and agricultural forensics
Quantum chemical calculations have proven to be a reliable tool for the prediction of thermodynamics quantities, particularly for smaller organic species