Re: selenium info

["David M. Garlinghouse, Esq." <suendavid@worldnet.att.net>]

R. M. Raymond wrote:

> Does anyone know how to convert mgs to parts per million?  I was reading
> a mineral supplement bag today, and it has 36ppm.  It didn't say per
> ounce or per pound or even serving.  It did say to feed free choice, or 2
> oz/day.


1 ppm = 0.45 mg/lb.  So a supplement that's 36 ppm provides 16.2 mg per
pound, or 1.01 mg per oz.

Hope this helps.

Susan G