Hello Listers: We are doing some work with some new Archaea, methane-producing microorganisms, and we need an alternative to a gas chromatograph to measure for methane. Any suggestions? thanks for any suggestions, Regards, Len Len Walde, P.E. Sigma Energy Engineering, Inc Recycling Problems into Opportunities for Agriculture, Industry and Commerce through "Symbiotic Recycling" tm Contact: 140 Spring Road, Orinda, CA 94563-3311 Ph: 925-254-7633 Fax: 925-253-9108 (Nite is best) E-mail: sigma@ix.netcom.com Digestion List Archives: http://www.crest.org/discussion/digestion/current/ Digestion List Moderator: Paul Harris, paul.harris@adelaide.edu.au http://www.roseworthy.adelaide.edu.au/~pharris List-Post: <mailto:digestion@crest.org> List-Help: <mailto:digestion-help@crest.org> List-Unsubscribe: <mailto:digestion-unsubscribe@crest.org> List-Subscribe: <mailto:digestion-subscribe@crest.org> Other Digestion Events and Information: http://www.bioenergy2002.org http://solstice.crest.org/renewables/biomass-info/ Beginners Tour of Biogas http://WWW.roseworthy.adelaide.edu.au/~pharris/biogas/beginners