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level of concern

A pollutant concentration level (specific to the averaging time being considered) associated with a condition of exposure, often for sensitive population groups. Concentrations above the level of concern are related to undesirable health effects, while concentrations below this level do not cause perceptible health effects of significant duration.

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  • ส่วนหนึ่งของคำพูด: noun
  • อุตสาหกรรม/ขอบเขต: Weather
  • Category: Meteorology
  • Company: AMS

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