Скачать или смотреть Anhydrous ammonia leak

Anhydrous ammonia gas is lighter than air and will rise, so that generally it dissipates and does not settle in low-lying areas.

However, in the presence of moisture (such as high relative humidity), the liquefied anhydrous ammonia gas forms vapors that are heavier than air. These vapors may spread along the ground or into low-lying areas with poor airflow, where people may become exposed.

RULE OF EXPOSURE
5 PPM – You can smell it
50 PPM – It can harm you – Long Term Exposure
300 PPM – Immediate Danger to Life & Health
5,000 PPM – It can kill you

In this tragic ammonia leak, four workers suffered burns while three others had breathing difficulties following an ammonia gas leak at a frozen food manufacturing company in Pulau Indah, Klang.

Source: https://www.thestar.com.my/news/natio...
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