USGS - science for a changing world
Kate processing a gas sampleProcessing a gas sample for 13C content on a isotope ratio mass spectrometer.

lab protocols

field protocols

teaching materials

To get a reader for Microsoft Word (.doc) and Excel (.xls) files click here.

Accessibility FOIA Privacy Policies and Notices

Take Pride in America logo logo U.S. Department of the Interior | U.S. Geological Survey
Page Contact Information: kmanies at (email address spelled out)
Page Last Modified: Wednesday, 28-Dec-2016 16:23:47 EST