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I just want to say a quick word of praise for this highly functional (after a brief break-down) machine in our lab known as a TOC/TN analyzer. Actually, the real praise belongs to its auto-sampler. The TOC analyzer will be humming along all night, without any interaction with me. Sometime tomorrow I'll have a spread sheet of numbers that will eventually lead to some conclusions about how the connections between streams and there watersheds change in response to seasonal flooding and drought.
Thank you TOC analyzer, and Sandy for making it all work.
Just for kicks, here's a picture of some water that probably has a lot more carbon in it than the stuff I study.