TF IsotopeTracers

Nitrogen tracers: N-15 is rare. If you dope nitrogen sources with it you can see where the leak into environment. This is a stable tracer so it would be able to monitor long time plume expansions.

Catchment hydrology

High Flux MeV photon profiler

http://accelconf.web.cern.ch/accelconf/p99/PAPERS/WEA90.PDF

http://ieeexplore.ieee.org/ielx5/5379507/5398121/05398374.pdf?tp=&arnumber=5398374&isnumber=5398121

CVD Diamond film

http://www.e6cvd.com/cvd/page.jsp?pageid=415

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