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Steve - I just went through this rigamarole. Get the MSDS and gas breakdown for the normal industrial He - If it is 99.997 pure, then it's probably what you want. My gas supplier offers this in an industrial grade for $42.00 for a 291cuft cylinder. Same thing for O2. I just found out that my supplier actually evacuates the O2 cylinder before refilling it (making it no different other than price & batch processing) than medical o2, all for $18.00 a cylinder (251cuft), without the prescription hassle. Even NOAA's latest regs say that industrial O2 is suitable for breathing, but may have an objectionable odor (yeah right) At 11:44 AM 10/7/97 -0500, you wrote: >Interesting. >I was pricing helium lately, and the local distributors were fairly vague >about grades, and said for human consumption a super,super clean grade was >needed, at a tad over $100 a tank for a 260-300 cf tank, which is about 4 >or 5 times the cost of O2. What grade are you using? >BTW, the only shop I know around here which has been doing tri-mix is >getting $90-100 for a tankful. > > > >-- >Send mail for the `techdiver' mailing list to `techdiver@aquanaut.com'. >Send subscribe/unsubscribe requests to `techdiver-request@aquanaut.com'. > > -------------------------------------------------------------------------- Kevin Connell <kevin@nw*.co*> Northwest Labor Systems http://www.nwls.com Bellingham, WA --------------------------------------------------------------------------- -- Send mail for the `techdiver' mailing list to `techdiver@aquanaut.com'. Send subscribe/unsubscribe requests to `techdiver-request@aquanaut.com'.
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