Here are some USGS Web pages with more information on tritium analysis and Anywhere:
Reston Chlorofluorocarbon Laboratory
Site on the Chlorofluorocarbon Laboratory and its analytical services for CFCs, sulfur hexafluoride, dissolved gases including nitrogen, argon, methane, carbon dioxide, oxygen, and helium, and tritium/helium-3 dating.
(Score: 1.000)