Contacts

If you have comments or questions about the database, contact the Standard Reference Data (SRD) Program:

SRD Customer Support
100 Bureau Drive, Stop 6410
Gaithersburg, MD 20899-6410
Email: data@nist.gov
Phone: (844) 374-0183 (Toll Free)

If you have technical questions relating to the data, contact:

Dr. Igor Levin
National Institute of Standards and Technology
100 Bureau Drive, Stop 8520
Gaithersburg, MD 20899-8520
Email: icsd@nist.gov
Phone: (301) 975-6142