Particulates: Atmospheric particulate matter – also known as particulate matter (PM) or particulates – is microscopic solid or liquid matter suspended in the Earth's atmosphere. The term aerosol commonly refers to the particulate/air mixture, as opposed to the particulate matter alone.P-AnisidineCoulter counter: 150px|thumb|right|The tip of the Coulter counter in a buffer solution, counting cells in solution.Air pollution: Air pollution is the introduction of particulates, biological molecules, or other harmful materials into Earth's atmosphere, causing diseases, death to humans, damage to other living organisms such as animals and food crops, or the natural or built environment. Air pollution may come from anthropogenic or natural sources.Exhaust gasOzone Action Day: An Ozone Action Day, which can be declared by a local municipality, county or state, is observed at certain times during the summer months, when weather conditions (such as heat, humidity, and air stagnation) run the risk of causing health problems.Indoor air pollution in developing nations: Indoor air pollution in developing nations is a significant form of indoor air pollution (IAP) that is little known to those in the developed world.Metal sulfur dioxide complex: Metal sulfur dioxide complexes are complexes that contain sulfur dioxide, SO2, bonded to a transition metal. Such compounds are common but are mainly of theoretical interest.Fly ash brick: Fly ash brick (FAB) is a building material, specifically masonry units, containing fly ash and water. Compressed at and cured for in a steam bath, then toughened with an air entrainment agent, the bricks last for more than cycles.Soot: Soot is a mass of impure carbon particles resulting from the incomplete combustion of hydrocarbons. It is more properly restricted to the product of the gas-phase combustion process but is commonly extended to include the residual pyrolysed fuel particles such as coal, cenospheres, charred wood, and petroleum coke that may become airborne during pyrolysis and that are more properly identified as cokes or chars.Animals and tobacco smoke: Animals are exposed to tobacco smoke and other cigarette by-products through their use as experimental subjects and through contact with smokers, as in the case of pets in houses where smoking takes place.Benzo(k)fluorantheneMineral dust: Mineral dust is a term used to indicate atmospheric aerosols originated from the suspension of minerals constituting the soil, being composed of various oxides and carbonates. Human activities lead to 30% of the dust load in the atmosphere.Carbon–carbon bond: A carbon–carbon bond is a covalent bond between two carbon atoms. The most common form is the single bond: a bond composed of two electrons, one from each of the two atoms.National Fire Academy: The National Fire Academy (NFA)National Fire Academy Mission Accessed: 6/12/2012 is one of two schools in the United States operated by the Federal Emergency Management Agency (FEMA) at the National Emergency Training Center (NETC) in Emmitsburg, Maryland. Operated and governed by the United States Fire Administration (USFA) as part of the U.Four Seasons Baltimore and Residences: Four Seasons Hotel Baltimore is currently a 22 story highrise hotel complex building which opened on November 14, 2011. The building's construction began back in 2007 and went through several changes.Sludge incineration: Sludge incineration (German: Klärschlammverbrennung, Chinese: 污泥焚烧发电) is a type of incineration process that generates thermal energy from sewage sludge produced in sewage treatment plants. The process is in operation in Germany where Klärschlammverbrennung GmbH in Hamburg incinerates 1.Breath carbon monoxide: Breath carbon monoxide is the level of carbon monoxide in a person's exhalation. It can be measured in a breath carbon monoxide test, generally by using a carbon monoxide breath monitor (breath CO monitor), such as for motivation and education for smoking cessation and also as a clinical aid in assessing carbon monoxide poisoning.Steelmaking: Steelmaking is the process for producing steel from iron ore and scrap. In steelmaking, impurities such as nitrogen, silicon, phosphorus, sulfur and excess carbon are removed from the raw iron, and alloying elements such as manganese, nickel, chromium and vanadium are added to produce different grades of steel.National Ambient Air Quality Standards: The National Ambient Air Quality Standards (NAAQS) are standards established by the United States Environmental Protection Agency under authority of the Clean Air Act (42 U.S.Gentle frying: Gentle frying or low-temperature frying is an oil- or fat-based cooking method used for relatively fragile or starchy foods.fissler.Inferior longitudinal fasciculus: The inferior longitudinal fasciculus connects the temporal lobe and occipital lobe, running along the lateral walls of the inferior and posterior cornua of the lateral ventricle.Quasiperiodicity: Quasiperiodicity is the property of a system that displays irregular periodicity. Periodic behavior is defined as recurring at regular intervals, such as "every 24 hours".Aerosolization: Aerosolization is the process or act of converting some physical substance into the form of particles small and light enough to be carried on the air i.e.NAME (dispersion model): The NAME atmospheric pollution dispersion model Air Quality Programme and Progress, Met Office Scientific Advisory Committee (MOSAC), November 11–12, 2004Met Office "Specialised forecasts"Met Office "NWP Gazette", 3rd Quarter, 1996Met Office "NWP Gazette", December 2000 was first developed by the UK's Met Office in 1986 after the nuclear accident at Chernobyl, which demonstrated the need for a method that could predict the spread and deposition of radioactive gases or material released into the atmosphere.Mortality rate: Mortality rate, or death rate, is a measure of the number of deaths (in general, or due to a specific cause) in a particular population, scaled to the size of that population, per unit of time. Mortality rate is typically expressed in units of deaths per 1,000 individuals per year; thus, a mortality rate of 9.Wood fibre: Wood fibers are usually cellulosic elements that are extracted from trees and used to make materials including paper.Carbonization: Carbonization (or carbonisation) is the term for the conversion of an organic substance into carbon or a carbon-containing residue through pyrolysis or destructive distillation. It is often used in organic chemistry with reference to the generation of coal gas and coal tar from raw coal.Citizen Weather Observer Program: The Citizen Weather Observer Program (CWOP) is a network of privately owned electronic weather stations concentrated in the United States but also located in over 150 countries. Network participation allows volunteers with computerized weather stations to send automated surface weather observations to the National Weather Service (NWS) by way of the Meteorological Assimilation Data Ingest System (MADIS).Lung receptor: Lung receptors sense irritation or inflammation in the bronchi and alveoli.Briquette: A briquette (or briquet) is a compressed block of coal dust"briquette, n. 2.Phlogiston theory: The phlogiston theory is an obsolete scientific theory that postulated that a fire-like element called phlogiston is contained within combustible bodies and released during combustion. The name comes from the Ancient Greek [phlogistón (burning up), from φλόξ] phlóx (flame).PrinomastatMedia filter: 250px|thumb|Peat-Sand Filter in [[United States. The filter treats stormwater runoff from a residential area.Nitrogen oxide sensor: A nitrogen oxide sensor or NOx sensor is typically a high-temperature device built to detect nitrogen oxides in combustion environments such as an automobile or truck tailpipe or a smokestack.List of truck types: This List of truck types is intended to classify trucks and to provide links to articles on the various types. The three main classifications for road truck by weight are light trucks, medium trucks, and heavy trucks.Smokefree Environments Amendment Act 2003: The Smokefree Environments Amendment Bill was passed by the Parliament of New Zealand on 3 December 2003. The smoking ban legislation calls for progressive introduction of various clauses to totally ban smoking in all workplaces including offices, clubs, pubs, restaurants, airports, schools etc.Gasoline gallon equivalent: Gasoline gallon equivalent (GGE) or gasoline-equivalent gallon (GEG) is the amount of alternative fuel it takes to equal the energy content of one liquid gallon of gasoline. GGE allows consumers to compare the energy content of competing fuels against a commonly known fuel—gasoline.Phytoextraction process: Phytoextraction is a subprocess of phytoremediation in which plants remove dangerous elements or compounds from soil or water, most usually heavy metals, metals that have a high density and may be toxic to organisms even at relatively low concentrations.http://www.List of largest volcanic eruptions: In a volcanic eruption, lava, tephra (volcanic bombs, lapilli, and ash), and various gases are expelled from a volcanic vent or fissure. While many eruptions only pose dangers to the immediately surrounding area, Earth's largest eruptions can have a major regional or even global impact, with some affecting the climate and contributing to mass extinctions.Swiss Institute of Allergy and Asthma Research: Swiss Institute of Allergy and Asthma Research (SIAF), founded in 1988, performs basic research in the field of allergy and asthma with the aim to improve the understanding and treatment of these conditions, which affect around 30-40% of the westernized population. The Institute has its roots in the Tuberculosis Research Institute of Davos, a medical society founded in 1905 to study the beneficial effects of high altitude treatment of tuberculosis.Temporal analysis of products: Temporal Analysis of Products (TAP), (TAP-2), (TAP-3) is an experimental technique for studyingPocket petGreat Lakes Environmental Research Laboratory: right|300px|thumb|Great Lakes Environmental Research Laboratory logo.DishwasherToronto propane explosionOccupational hygiene: Occupational (or "industrial" in the U.S.HyperintensityHeartScore: HeartScore is a cardiovascular disease risk assessment and management tool developed by the European Society of Cardiology, aimed at supporting clinicians in optimising individual cardiovascular risk reduction.National Healthy Homes Hero Award: National Healthy Homes Hero Award is an award presented by a consortium of agencies at the United States' National Healthy Homes Conference. The first year this award was presented was in 2011.Exhaust systemVolumetric heat capacity: Volumetric heat capacity (VHC), also termed volume-specific heat capacity, describes the ability of a given volume of a substance to store internal energy while undergoing a given temperature change, but without undergoing a phase transition. It is different from specific heat capacity in that the VHC is a 'per unit volume' measure of the relationship between thermal energy and temperature of a material, while the specific heat is a 'per unit mass' measure (or occasionally per molar quantity of the material).Ammonia volatilization from urea: Urea (46-0-0) accounts for more than fifty percent of the world’s nitrogenous fertilizers.Schwab, G.Fluorescence anisotropy: Fluorescence anisotropy is the phenomenon where the light emitted by a fluorophore has unequal intensities along different axes of polarization. Early pioneers in the field include Aleksander Jablonski, Gregorio Weber,Weber, G.Von Neumann regular ring: In mathematics, a von Neumann regular ring is a ring R such that for every a in R there exists an x in R such that . To avoid the possible confusion with the regular rings and regular local rings of commutative algebra (which are unrelated notions), von Neumann regular rings are also called absolutely flat rings, because these rings are characterized by the fact that every left module is flat.Alveolar macrophageGlobal Risks Report: The Global Risks Report is an annual study published by the World Economic Forum ahead of the Forum’s Annual Meeting in Davos, Switzerland. Based on the work of the Global Risk Network, the report describes changes occurring in the global risks landscape from year to year and identifies the global risks that could play a critical role in the upcoming year.Energy-dispersive X-ray spectroscopy: Energy-dispersive X-ray spectroscopy (EDS, EDX, or XEDS), sometimes called energy dispersive X-ray analysis (EDXA) or energy dispersive X-ray microanalysis (EDXMA), is an analytical technique used for the elemental analysis or chemical characterization of a sample. It relies on an interaction of some source of X-ray excitation and a sample.Pacific ElectricRed edge: Red edge refers to the region of rapid change in reflectance of vegetation in the near infrared range of electromagnetic spectrum. Chlorophyll contained in vegetation absorbs most of the light in the visible part of the spectrum but becomes almost transparent at wavelengths greater than 700 nm.San Diego County, California Probation: The San Diego County Probation Department is the body in San Diego County, California responsible for supervising convicted offenders in the community, either who are on probation, such as at the conclusion of their sentences, or while on community supervision orders.Gas metal arc weldingList of Parliamentary constituencies in Kent: The ceremonial county of Kent,Acid Rain Retirement Fund: The Acid Rain Retirement Fund (A.R.Metals in medicine: Metals in medicine are used in organic systems for diagnostic and treatment purposes. Inorganic elements are also essential for organic life as cofactors in enzymes called Metalloproteins.Stratosphere: The stratosphere is the second major layer of Earth's atmosphere, just above the troposphere, and below the mesosphere. It is stratified in temperature, with warmer layers higher up and cooler layers farther down.Carbonyl sulfideHospital-acquired pneumonia: Hospital-acquired pneumonia (HAP) or nosocomial pneumonia refers to any pneumonia contracted by a patient in a hospital at least 48–72 hours after being admitted. It is thus distinguished from community-acquired pneumonia.Vanadium(V) oxideMetallurgy: Metallurgy is a domain of materials science and engineering that studies the physical and chemical behavior of metallic elements, their intermetallic compounds, and their mixtures, which are called alloys. Metallurgy is also the technology of metals: the way in which science is applied to the production of metals, and the engineering of metal components for usage in products for consumers and manufacturers.Regression dilution: Regression dilution, also known as regression attenuation, is the biasing of the regression slope towards zero (or the underestimation of its absolute value), caused by errors in the independent variable.Donora Smog Museum: Donora Smog Museum features a collection of archival materials documenting the Donora Smog of 1948, an air inversion of smog containing fluorine that killed 20 people in Donora, Pennsylvania, United States, a mill town 20 miles south of Pittsburgh on the Monongahela River.Chronic lung diseaseHumidifier