Important Notice: Limited Web Access Dec 16 to 18, 2016

AIChE will undertake a routine upgrade of our digital infrastructure over the weekend of December 16-18, 2016. During this period access to certain areas of the website will be limited. Additional information will be forthcoming shortly.


Used to describe water that is not suitable for drinking because it contains pollutants, contaminants, minerals, or infective agents.

Go to Process Safety Glossary

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