amonia

Westendorf westendorf at uke.uni-hamburg.de
Tue Mar 24 03:51:51 EST 1998


R Williams schrieb:

> what are unsafe levels of amonia indoors and when could you tell when
> levels
> are unsafe
>
> Richard

As long as you don't feel irritation in the respiratory tract, there is
no real danger. The maximum allowable workplace concentration is 25 ppm
(35 µg/L). A concentration of 300-500 ppm may be tolerated for a short
time. The lethal concentration in air is  5000 ppm and above.
Johannes Westendorf




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