On Tue, 23 Sep 2003 20:22:22 +0300, you wrote:

>405nm is in the UVA band. You can find exposure limits for UVA easily
>(it's used for suntanning and 'blacklight' lamps - the ones used in
>disco lighting). You could use a regular blacklight lamp and skip the
>tests because those are approved for indirect lighting at least.

..or you could measure the relative intensity of your LED product to an =
approved UVA lamp - if it's
a lot lower, it's reasonable to assume it's safe. .=20

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