[time-nuts] Time Dilation tinkering

[Majdi S. Abbas]

On Wed, Mar 22, 2017 at 07:52:38AM -0700, jimlux wrote:
> I imagine there's a "de minimis" quantity.  We didn't declare the cesium in
> the CSAC that we hand carried, and I'm pretty sure people have hand carried
> SRS Rb sources.

	The letter they have covers anything up to a gram of Rb.
Certainly I'm not worried about it, I hand carry all sorts of things on
planes.

> off of the MSDS from Symmetricom/Microsemi
> 
> "All Symmetricom’s rubidium product can be shipped both domestically and
> internationally as a non-hazardous product. Symmetricom has received letters
> of interpretation from both the United States Department of Transportation
> (US DOT)Ref. No. 08-0154 and the International Air Transport
> Association(IATA) stating that Symmetricom’s rubidium product are not
> considered a hazardous Class 4 material in transportation.

	2008 letter and response here:

	https://www.phmsa.dot.gov/staticfiles/PHMSA/DownloadableFiles/Files/Interpretation%20Files/2008/080154.pdf

	--msa