Dr Vu, if this is for glass that you already have installed, that the manufacturer of the glass would have specifications for the glass which show the standard (ANSI, NFPA, etc) that it conforms to. I checked one supplier of glass and they had the specs for a particular type on their web site. You would need to know what kind of glass is installed. I would think that compliance to an accepted standard would be validation enough.
For glass that you want to use, just match the type of glass by specifications to what you need.
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