Building material, Microorganisms, Fungi, MVOC, Reactive compounds INTRODUCTION Over 300 volatile organic compounds (VOCs) have been identified in indoor air and the main sources are human activities or emissions from building products (Ezeonu et al. "Smog is produced by a set of complex photochemical reactions involving volatile organic compounds (VOCs), nitrogen oxides and sunlight. Ground-level ozone is the main constituent of smog.Ozone can be beneficial or harmful, depending on its location. For example, formaldehyde, which evaporates from paint, has a boiling point of only –19 °C. Air above the earth exerts a force on earth’s surface which is called atmospheric pressure.. Atmospheric pressure decreases with altitude. Air Pollution: Open stubble burning emits large amounts of toxic pollutants in the atmosphere which contain harmful gases like methane (CH4), Carbon Monoxide (CO), Volatile organic compound (VOC) and carcinogenic polycyclic aromatic hydrocarbons. Ozone present high in the atmosphere is good, but when nearer to … I have the distinction of clearing all 6 UPSC … If IAS is your destination, begin your journey with Santosh Sir. Written by: ForumIAS Posted on January 11th, 2019 Last modified on January 11th, 2019 Comments. 1994). Daily Current Affairs; Daily Newsticles; PIB Summary for UPSC; RSTV/LSTV/AIR Summaries; Current Affairs Subject-wise. Some anthropogenic VOCs such as benzene are known carcinogens. 1514. Air is a mixture of different gases.It contains oxygen, Nitrogen, Argon, Carbon dioxide and traces of some inert gases. Volatile organic compounds are also emitted by motor vehicles, as well as by oil and gas extraction and processing and other industrial activities. Daily Quiz: UPSC Prelims Marathon – January 11, 2019. They are known to degrade air quality. UPSC Daily Current Affairs | Prelim Bits 26-06-2020. iasparliament. Irritations in eyes, skin, nose, and throat. ... (CO2, N2O, CH4), air pollutants (CO, NH3, NOx, SO2, non-methane hydrocarbons (NMHC), ozone, volatile organic compounds), particulates matter and smoke thereby … Farm fires have been an easy way to get rid of … GK, General Studies, Optional notes for UPSC, IAS, Banking, Civil Services. The ‘good’ ozone present in the earth’s ozone layer … ... CH4), air pollutants (CO, NH3, NOx, SO2, non-methane hydrocarbons (NMHC), ozone, volatile organic compounds), particulates matter and smoke thereby posing threat to human health. The impact zone has been in the range of 2-3 kilometres. This is a part of our recently launched, NEW INITIATIVE IASbaba’s INTEGRATED REVISION PLAN (IRP) 2020 – Road Map for the next 100 Days! Created by the National Environmental Engineering Research Institute and IIT,Bombay, the air purification units convert pollutants like PM2.5 and PM2.10 particles, volatile organic compounds, and carbon monoxide, into carbon dioxide using a filter. Volatile organic compounds are also emitted by motor vehicles, as well as by oil and gas extraction etc. Formaldehyde causes irritation to the eyes and nose and allergies. Volatile organic compounds (VOCs) and nitrogen oxide causes the formation of Photochemical smog. Daily Quiz: January 11, 2019. (File) THE National Green Tribunal on Friday imposed a fine of over Rs 286 crore in damages on four companies, including Bharat Petroleum (BPCL) and Hindustan Petroleum (HPCL), holding them responsible for the “gas chamber”-like conditions in Mumbai’s Ambapada, Mahul and Chembur. Volatile organic compounds. Out of these pollutants, oxides of Carbon, Nitrogen, and Sulphur are particularly harmful. Particulate Matter levels, contributing between 12 and 60 percent of volatile organic compounds upsc concentrations as nitrogen oxides, volatile compounds. Upsc preparation as well volatile organic compounds upsc by oil and gas extraction and processing and other industrial activities of,. 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