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Environment

Issues related to the circumstances or condition of the earth's natural surroundings.

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Environment > Pollution

operation and maintenance (O&M) manual

Environment; Pollution

Operation and maintenance manual (O&M manual), contains the information required for the operation, maintenance, decommissioning and demolition of" a process, instrument, etc.

pathogenic

Environment; Pollution

"1. Capable of causing diseases;" " 2. Of or relating to pathogenesis."

Haber-Bosch process

Environment; Pollution

The Haber–Bosch process, is the industrial implementation of the reaction of nitrogen gas and hydrogen gas. It is the main industrial procedure to produce ammonia: N2 + 3 H2 → 2 ...

most probable number (MPN)

Environment; Pollution

The most probable number method, otherwise known as the method of Poisson zeroes, is a method of getting quantitative data on concentrations of discrete items from ...

National Pollution Discharge Elimination System (NPDES)

Environment; Pollution

As authorized by the Clean Water Act, the National Pollutant Discharge Elimination System (NPDES) permit program controls water pollution by regulating point sources that ...

facultative anaerobe

Environment; Pollution

"A facultative anaerobe is an organism that makes ATP by aerobic respiration if oxygen is present, but is capable of switching to fermentation or anaerobic respiration if ...

filter backwash

Environment; Pollution

"Backwashing of granular media filters involves several steps. First, the filter is taken off line and the water is drained to a level that is above the surface of the filter ...