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The National Emission Standards for Hazardous Air Pollutants (NESHAP) are air pollution standards issued by the United States Environmental Protection Agency (EPA). The standards, authorized by the Clean Air Act, are for pollutants not covered by the National Ambient Air Quality Standards (NAAQS) that may cause an increase in fatalities or in serious, irreversible, or incapacitating illness.
A year after Röntgen's discovery of X-rays in 1895, the American engineer Wolfram Fuchs gave what was probably the first radiation protection advice, but many early users of X-rays were initially unaware of the hazards and protection was rudimentary or non-existent. [11] The dangers of radioactivity and radiation were not immediately recognized.
Supervisors at EPA's National Center for Environmental Assessment required several paragraphs to be deleted from a peer-reviewed journal article about EPA's integrated risk information system, which led two co-authors to have their names removed from the publication, and the corresponding author, Ching-Hung Hsu, to leave EPA "because of the ...
The MDA established a risk-based framework for the classification of medical devices and a regulatory pathway for medical devices to get to the market, created a regulatory pathway for medical device clinical trials, and established several post-market requirements including manufacturer registration and device listing with the FDA, good ...
Radiation is a moving form of energy, classified into ionizing and non-ionizing type. [4] Ionizing radiation is further categorized into electromagnetic radiation (without matter) and particulate radiation (with matter). [4] Electromagnetic radiation consists of photons, which can be thought of as energy packets, traveling in the form of a wave ...
(A) To fail to issue a certification as required by this Act (B) To issue such a certification when such certification is not based upon a test or testing program meeting the requirements of this Act or when the issuer, in the exercise of due care, would have reason to know that such certification is false or misleading in a material respect.
Electromagnetic radiation from the corona, seen as light during an eclipse, is perfectly safe, but there is another form of radiation that travels to Earth from the sun—neutrinos.
Bioenvironmental Engineers serve as emergency responders and health risk advisors for Chemical, Biological, Radiological, and Nuclear hazards, incidents, and their associated personal protective equipment (or clothing). BEEs are also HAZWOPER-certified, providing risk assessments and communication regarding hazardous materials.