US Geological Survey
The Reston Chlorofluorocarbon Laboratory
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CFC
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Dissolved Gas N
2
/Ar
Background
FAQ
Lab
Research
Sampling
SF
6
Background
FAQ
Lab
Research
Sampling
3
H/
3
He
Background
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Research
Sampling
Low-Level VOCs
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Lab
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Sampling
Shipping+Submitting Samples
Staff and Contacts
The SF
5
CF
3
Lab
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Chromatography
Analytical Procedures