The Reston Chlorofluorocarbon Laboratory

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CFC

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Dissolved Gas N₂/Ar

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SF₆

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SF₅CF₃ / CFC-13

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³H/³He

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Low-Level VOCs

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Shipping+Submitting Samples

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Tritium/Helium-3 Analysis

Quick Links

• Announcement: 2012 contract for ³H/³He Apparent Age Determination
• Steps for using the USGS ³H/³He Contract
• Helium-4 Analysis available for pre-screening

Gas extraction apparatus in use by Lamont Dougherty Earth Observatory
Picture from Lamont Dougherty Earth Observatory

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U.S. Department of the Interior | U.S. Geological Survey
URL: http://water.usgs.gov/lab/3h3he/
Page Contact Information: cfc@usgs.gov
Page Last Modified: Wednesday, 23-Nov-2011 06:05:46 EST