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...um, tungsten and platinum. When heated, mercury also reacts with oxygen in air to form [[mercury oxide]], which then can be decomposed by further heating ...two pure metals come into contact. However, when the amalgam is exposed to air, the aluminium oxidizes, leaving mercury behind. The oxide flakes away, exp

...ark]]s and [[Road surface|pavement]]s that allow the movement of water and air around the paving material. Although some porous paving materials appear n ===Controlling pollutants===

...colorless, but it slowly [[organic oxidation|oxidizes]] and resinifies in air, giving a red-brown tint to aged samples. [[Category:Hazardous air pollutants]]

[[Category:Hazardous air pollutants]]

[[Category:Hazardous air pollutants]]

[[Category:Hazardous air pollutants]]

[[Category:Hazardous air pollutants]]

[[Category:Hazardous air pollutants]]

...a characteristic sweet odor of ether, noticeable when its concentration in air exceeds 500 ppm.<ref name="atsdr">{{cite web ...his process. It was further improved in 1958 by Shell Oil Co. by replacing air with oxygen and using elevated temperature of 200–300 °C and pressure (1

'''Indoor air quality''' ('''IAQ''') is a term referring to the [[air quality]] within and around [[building]]s and [[structure]]s, especially as ...iltration, and source control are the primary methods for improving indoor air quality in most buildings.

...is more likely to cause health problems, as asbestos exists in the ambient air at low levels, which itself does not cause health problems.<ref>http://www. ...ttp://web.archive.org/web/20071228042633/http://www.dnr.state.wi.us/org/aw/air/reg/asbestos/asbes3.htm}}</ref> Applications where chrysotile might be used

...be maintained in order to prevent [[miners]] from becoming disabled by the air they breathed. These ambitious and clear objectives were remarkably far-sig ...uring dust exposure by counting the number of particles collected from the air by sampling devices. A substantial advance was achieved with the measuremen

...a.gov/EPA-AIR/2006/March/Day-29/a2315b.htm |title=Control of Hazardous Air Pollutants From Mobile Sources |publisher=U.S. Environmental Protection Agency |pages= ...(TOXNET)<ref>[http://toxnet.nlm.nih.gov TOXNET - Databases on toxicology, hazardous chemicals, environmental health, and toxic releases]</ref> and [[PubMed]],

When heated in air, arsenic [[oxidation|oxidizes]] to arsenic trioxide; the fumes from this re ...and ores as well as groundwater. It is also found in food, water, soil and air.<ref>{{cite web | url = http://www.atsdr.cdc.gov/HEC/CSEM/arsenic/docs/arse

...te=December 2008}}.</ref><ref>{{citation | title = Formaldehyde and Indoor Air | publisher = Health Canada | url = http://www.hc-sc.gc.ca/iyh-vsv/environ/ ...076 ppm when brand new and 0.045 ppm after 30 days.<ref>Residential Indoor Air Formaldehyde Testing Program: A Pilot Study," M. Koontz, et al, prepared fo

...manganese dioxide, or [[hydrogen chloride]] gas oxidized catalytically by air to form elemental chlorine gas. ...rt due to its electronegativity. Organochlorine compounds are also serious pollutants, either as side products of industrial processes or as persistent pesticide

Routes of exposure to lead include contaminated air, water, soil, food, and consumer products.<!--<ref name="Dart041423">[[#CIT ...te pmid|19757511}}</ref> Lead exposure can occur from contact with lead in air, household dust, soil, water, and commercial products.<ref name="Rossi09"/>

...nd into the air. Long, hot showers would then volatilize more TCE into the air. In a home closed tightly to conserve the cost of heating and cooling, thes ...dwater has been vapor intrusion in buildings, which has resulted in indoor air exposures, such is in a recent case in the McCook Field Neighborhood of Day

...smelling, dense liquid is a [[trihalomethane]], and is considered somewhat hazardous. Several million tons are produced annually as a precursor to [[Teflon]] an ...mal [[spermatozoon|sperm]] have been found in male mice that have breathed air containing 400 ppm chloroform for a few days. The effect of chloroform on [

...ht tests on an inertia guidance sub-system for the X-20 project at [[Eglin Air Force Base]], Florida, utilizing an [[McDonnell F-101 Voodoo|NF-101B Voodoo ...more than 4.25 million kg (9.4 million pounds) of toxins per year into the air.<ref>[http://www.rtknet.org/new/tox100/toxic100.php?database=t1&detail=1&da