deq.idaho.gov

Website:http://deq.idaho.gov
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Definitions (413)

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Nuisance


Anything which is injurious to the public health or an obstruction to the free use of any waters of the state.
Source: deq.idaho.gov

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Major Source


Facilities that emit 100 tons per year or more of any regulated air pollutant, or 10 tons per year or more of any single hazardous air pollutant (specifically listed in the Clean Air Act), or 25 tons [..]
Source: deq.idaho.gov

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PM2.5


Particles in the air less than 2.5 micrometers in diameter. Often referred to as "fine" particles.  Also see PM10.
Source: deq.idaho.gov

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Acutely Hazardous Waste


A listed hazardous waste that is so dangerous that it can be fatal to humans in small doses (e.g., certain pesticides). 
Source: deq.idaho.gov

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Beneficial Use


Any of the various uses of water that are recognized in water quality standards, including, but not limited to, aquatic life, recreation, water supply, wildlife habitat, and aesthetics.
Source: deq.idaho.gov

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Biochemical Oxygen Demand


The amount of dissolved oxygen used by organisms during the decomposition of organic matter, expressed as mass of oxygen per volume of water, over some specified period of time.
Source: deq.idaho.gov

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Burn Ban


A voluntary or mandatory order that restricts outdoor (open) burning and the use of wood stoves and fireplaces when an area's air quality is degraded and human health may be adversely impacted.
Source: deq.idaho.gov

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Cascade


A section of a stream with a highly turbulent series of short falls, small scour basins or plunge pools, and very rapid water movement.  The gradient of the channel exceeds 8%.
Source: deq.idaho.gov

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Confined Aquifer


An aquifer overlain by one or more layers of impermeable rock or soil that restrict water to within the aquifer.
Source: deq.idaho.gov

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Ecological Integrity


The condition of an unimpaired ecosystem as measured by combined chemical, physical (including habitat), and biological attributes.
Source: deq.idaho.gov


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