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Criteria pollutants

The 1970 amendments to the Clean Air Act required EPA to set National Ambient Air Quality Standards for certain pollutants known to be hazardous to human health. EPA has identified and set standards to protect human health and welfare for six pollutants: ozone, carbon monoxide, total suspended particulates, sulphur dioxide, lead, and nitrogen oxide. The term, "criteria pollutants" derives from the requirement that EPA must describe the characteristics and potential health and welfare effects of these pollutants. It is on the basis of these criteria that standards are set or revised.

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criteria pollutants
Natural environment; Water

The 1970 amendments to the Clean Air Act required EPA to set National Ambient Air Quality Standards for certain pollutants known to be hazardous to human health. EPA has ...

criteria pollutants
Weather; Meteorology

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criteria pollutants
Agricultural chemicals; Pesticides

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criteria pollutant
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Chemistry; Weather; Atmospheric chemistry

A pollutant may be considered as any substance, usually an unwanted by-product or waste, that is released into the environment as a result of (human) activities that alter the ...

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Agricultural chemicals; Pesticides

A designated level or percent of response relative to the control level of response used in calculating a BMD.

best management practices (BMP)
Agricultural chemicals; Pesticides

Procedures or controls other than effluent limitations to prevent or reduce pollution of surface water (includes runoff control, spill prevention, and operating procedures).

BMD10
Agricultural chemicals; Pesticides

Benchmark Dose associated with a 10% response adjusted for background. For example, these BMD(10) values are doses expected to produce a 10% reduction in brain cholinesterase ...

comparative effect level (CEL)
Agricultural chemicals; Pesticides

Dose by which potency of chemicals may be compared; e.g. the dose causing a maximum of 15% cholinesterase inhibition.

confidential business information (CBI)
Agricultural chemicals; Pesticides

Information that contains trade secrets, commercial or financial information, or other information that has been claimed as confidential by the submitter.

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Agricultural chemicals; Pesticides

The connection and piping through which gases enter and exit a piece of equipment.

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