US Geological Survey
The Reston Groundwater Dating Laboratory
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CFC
Background
FAQ
Lab
Research
Sampling
Dissolved Gases N
2
Ar CO
2
CH
4
O
2
Background
FAQ
Lab
Research
Sampling
SF
6
Background
FAQ
Lab
Research
Sampling
3
H/
3
He Noble Gases
Background
FAQ
Research
Sampling
Low-Level VOCs
Background
FAQ
Lab
Research
Sampling
Shipping+Submitting Samples
Staff and Contacts
System used to analyze dissolved N
2
, Ar, CO
2
, CH
4
, O
2