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10:00, 19 September 2023 USEV talk contribs created page A. The Importance of Clean Air and Today's Air Quality Concerns (Created page with "The concern over air quality dates back to ancient times, with even Hippocratic principles of environmental health addressing this issue(1). As far back as 1306, King Edward of England took action by passing legislation that prohibited the burning of sea-coal due to its combustion emissions(2). Clean air stands as a fundamental cornerstone of life, encompassing not only human existence but also the broader biosphere. Unfortunately, contemporary human activities such as i...")
09:51, 19 September 2023 USEV talk contribs created page B. esdds (Created page with " Category: IAQ Policy Landscape")
09:50, 19 September 2023 USEV talk contribs created page A. des (Created page with " Category: IAQ Policy Landscape")
09:48, 19 September 2023 USEV talk contribs created page 1.10. des (Created page with " Category: IAQ Policy Landscape")
09:46, 19 September 2023 USEV talk contribs created page 1.2. das (Created page with " Category: hello")
09:41, 19 September 2023 USEV talk contribs created page Hello (Created page with "Category: Atmosphere")
09:28, 19 September 2023 USEV talk contribs created page Atmosphere (Created page with " Category: IAQ Policy Landscape 2")
07:43, 19 September 2023 USEV talk contribs created page 10. Indoor Air Quality and the Sustainable Development Goals (Created page with "The '''Sustainable Development Goals''' are a set of 17 interconnected objectives established by the United Nations in 2015 to address a wide range of global challenges and ensure a more sustainable and equitable future for all. These goals encompass diverse areas such as poverty, hunger, health, education, gender equality, clean water, affordable and clean energy, decent work, and climate action, among others. These goals aim to tackle both social and environmental issu...")
12:46, 18 September 2023 USEV talk contribs created page 9. WHO global air quality guidelines: particulate matter (PM2.5 and PM10), ozone, nitrogen dioxide, sulfur dioxide and carbon monoxide – 2021 (Created page with "The 2021 WHO air quality guidelines encompass a comprehensive framework applicable to both outdoor and indoor environments, covering various settings where people spend their time107. While these guidelines extend to numerous contexts, they do not address occupational settings due to unique exposure characteristics and risk reduction policies, along with potential differences in population susceptibility within the adult workforce108. The primary objective of these upda...")
12:13, 18 September 2023 USEV talk contribs created page File:Tabla 1.png
12:13, 18 September 2023 USEV talk contribs uploaded File:Tabla 1.png
12:05, 18 September 2023 USEV talk contribs created page 8. WHO Indoor Air Quality Guidelines, 2010 (Created page with "The World Health Organisation IAQ guidelines aim to safeguard human health by providing health-based recommendations for appropriate fuels, technologies, and strategies within indoor environments, along with international exposure limits. Stressing the paramount importance of human health and potential indoor contaminants, the World Health Organisation has emphasised the significance of IAQ determinants in its technical documents and position papers(101). The World Heal...")
11:46, 18 September 2023 USEV talk contribs created page 7. International Normative Framework (Created page with "Air, vital for human existence, is acknowledged as a fundamental right. In this vein, the World Health Organisation Regional Office in Europe released its inaugural Air Quality Guidelines for Europe, assessing health risks posed by 28 chemical air pollutants(98). The second edition, published in 2000, expanded on these recommendations and introduced guideline values for additional substances, emphasising the need to mitigate health implications tied to air pollution. Sin...")
11:37, 18 September 2023 USEV talk contribs created page 6. Interplay Between Outdoor and Indoor Air Quality: The Dynamics of Sources, Ventilation, and Interactions (Created page with "Despite the notion that opening a window can freshen the composition of indoor air, it is essential to recognise that outdoor air may contain a significant load of pollutants(88). Certain segments of the population, such as children, the elderly, pregnant women, and those with pre-existing health conditions, are particularly vulnerable to the adverse effects of air pollution on health(89). A notable concern is that individuals residing in low-income households are more l...")
11:24, 18 September 2023 USEV talk contribs created page 5. Biomass Combustion and Indoor Air Quality (Created page with "Biomass combustion presents one of the most significant challenges for IAQ particularly concerning residential heating, as revealed by recent data(83). In 2020, nearly half of total anthropogenic PM2.5 emissions in the European Union originated from biomass combustion for residential heating, with 83% of domestic PM2.5 emissions attributed to biomass use. This poses substantial challenges for ambient air quality directives and the zero pollution action plan. While projec...")
09:56, 18 September 2023 USEV talk contribs created page 4. Indoor Air Quality: Pollutants, Sources, and Influencing Factors (Created page with "Indoor air quality is impacted by several pollutants and contaminants that are influenced by a multitude of factors, stemming from both indoor and outdoor sources . These sources include human activities such as smoking, burning solid fuels, cooking, and cleaning, as well as emissions from building materials, equipment, furniture, and biological contaminants like mould, viruses, and allergens. Common contaminants include: • ''' Allergens''', substances that can induc...")
12:09, 15 September 2023 USEV talk contribs created page 3. Indoor Air Quality Relationship to Human Health (Created page with "Air stands as a fundamental life-building element, and the quality of indoor air in settings like homes, schools, public structures, healthcare facilities, and private residences plays a pivotal role in people's well-being and overall health(21). Globally, household air pollution caused a staggering loss of 86 million healthy life years in 2019, with the heaviest burden borne by women and children in low- and middle-income nations(22). An estimated 3.2 million deaths in...")
12:06, 15 September 2023 USEV talk contribs created page 2. Understanding Indoor Air: Challenges and Differences from Outdoor Air (Created page with "While the prevailing perception is that pollution primarily poses a risk outdoors(10), it is important to recognise that indoor environments can harbour pollution levels that are not only comparable but often exceed those found outdoors(11). Indoor Air Quality (IAQ) can be significantly compromised by elements like smoke, mould and chemicals present in certain paints, furnishings, and cleaning products(12). In contrast to ambient air quality, which pertains to outdoor se...")
12:04, 15 September 2023 USEV talk contribs created page 1. The Importance of Clean Air and Today's Air Quality Concerns (Created page with "The concern over air quality dates back to ancient times, with even Hippocratic principles of environmental health addressing this issue(1). As far back as 1306, King Edward of England took action by passing legislation that prohibited the burning of sea-coal due to its combustion emissions(2). Clean air stands as a fundamental cornerstone of life, encompassing not only human existence but also the broader biosphere. Unfortunately, contemporary human activities such as i...")
11:51, 15 September 2023 USEV talk contribs created page Indoor Air Quality Relationship to Human Health (Created page with "Air stands as a fundamental life-building element, and the quality of indoor air in settings like homes, schools, public structures, healthcare facilities, and private residences plays a pivotal role in people's well-being and overall health(21). Globally, household air pollution caused a staggering loss of 86 million healthy life years in 2019, with the heaviest burden borne by women and children in low- and middle-income nations(22). An estimated 3.2 million deaths in...")
09:27, 15 September 2023 USEV talk contribs created page Understanding Indoor Air: Challenges and Differences from Outdoor Air (Created page with "While the prevailing perception is that pollution primarily poses a risk outdoors(10), it is important to recognise that indoor environments can harbour pollution levels that are not only comparable but often exceed those found outdoors(11). Indoor Air Quality (IAQ) can be significantly compromised by elements like smoke, mould and chemicals present in certain paints, furnishings, and cleaning products(12). In contrast to ambient air quality, which pertains to outdoor se...")
07:35, 15 September 2023 USEV talk contribs created page Category:Triciasonrisa (Created blank page)
07:32, 15 September 2023 USEV talk contribs created page The Importance of Clean Air and Today's Air Quality Concerns (Created page with "The concern over air quality dates back to ancient times, with even Hippocratic principles of environmental health addressing this issue . As far back as 1306, King Edward of England took action by passing legislation that prohibited the burning of sea-coal due to its combustion emissions . Clean air stands as a fundamental cornerstone of life, encompassing not only human existence but also the broader biosphere. Unfortunately, contemporary human activities such as indus...")
07:11, 15 September 2023 USEV talk contribs created page Category:IAQ Policy Landscape (Created blank page)
06:53, 15 September 2023 USEV talk contribs created page IAQ Policy Landscape (Created blank page)
10:21, 28 July 2023 USEV talk contribs created page O3 (Created page with "=== '''Definition''' === Ozone (O3) is a secondary pollutant formed from a complex series of chemical reactions of primary precursor pollutants, mainly NOx and VOCs, in the presence of solar radiation. Ozone has a positive effect in the stratosphere, where it forms the so-called ozone layer, as it protects against ultraviolet radiation. However, in the troposphere it becomes a pollutant that acts as a powerful and aggressive oxidising agent. === '''Predominant sources...")
10:20, 28 July 2023 USEV talk contribs created page Radon (Created page with "=== '''Definition''' === Radon gas is a major source of naturally occurring ionising radiation and a major contributor to the ionising radiation doses received by the population. Prolonged exposure to radon may increase the risk of lung cancer. The unit of measurement is the Becquerel per cubic metre (Bq-m-3). === '''Predominant sources of emissions''' === It is produced by the natural radioactive decay of uranium in soils and rocks, which penetrates into interior spa...")
10:19, 28 July 2023 USEV talk contribs created page NO2 (Created page with "There are seven nitrogen oxides that can be found in ambient air. However, nitric oxide (NO) and nitrogen dioxide (NO2) are the two main nitrogen oxides associated with combustion sources. === '''Definition''' === Nitrogen dioxide (NO2) is a reactive gas that is formed mainly by the oxidation of NO. It is involved in harmful reactions such as those leading to tropospheric ozone or nitric acid, and is therefore a pollutant in its own right as well as a precursor to othe...")
10:18, 28 July 2023 USEV talk contribs created page CO (Created page with "=== '''Definition''' === Carbon monoxide (CO) is a colourless, odourless gas emitted as a result of incomplete combustion of fossil fuels and biofuels. === '''Predominant sources of emissions''' === In general, any fuel containing carbon (gas, oil, coal, wood...) that is burned without sufficient oxygen to form CO2 is a potential source of CO. Carbon monoxide is produced indoors by combustion sources (cooking and heating) and is also introduced through infiltration of...")
10:16, 28 July 2023 USEV talk contribs created page PM0.1 (Created page with "=== '''Definition''' === The so-called ultrafine particles (UFP), which are smaller than 0.1 micrometre, are considered to be among the most dangerous pollutants, as due to their small size they can even reach the bloodstream and thus affect various organs, as well as the central nervous system and the reproductive system, among others. === '''Legislation and intervals''' === The legislated particle sizes are PM2.5 and PM10; although UFPs are among the most dangerous...")
10:16, 28 July 2023 USEV talk contribs created page PM2.5 (Created page with "=== '''Definition''' === PM2.5 particles are those with diameters of less than 2.5 micrometres*. They are therefore a subset of PM10 particles and more harmful than PM10, as they can reach further into the lungs and can be more toxic. PM2.5 particles are usually composed mainly of secondary particles formed in the atmosphere from some of the gaseous precursors. === '''Legislation and intervals''' === According to World Health Organization: The limit value for PM2.5 i...")
10:13, 28 July 2023 USEV talk contribs created page PM10 (Created page with "=== '''Definition''' === PM10 particles are those with diameters of less than 10 micrometres. PM10 is largely composed of primary particles emitted directly into the atmosphere by both natural phenomena and the human activities, such as combustion processes in kitchens, use of wood-burning cookers, tobacco, electronic cigarettes, etc. === '''Legislation and intervals''' === According to World Health Organization: The limit value for PM10 is 45 μg/m3 for 24 hours and...")
10:12, 28 July 2023 USEV talk contribs created page Naphthalene (Created page with "=== '''Definition''' === Naphthalene occurs naturally in fossil fuels such as oil and coal, and is produced when burning wood or tobacco. It is also the most volatile polycyclic aromatic hydrocarbon (PAH) with a gas phase share of 90-100%. === '''Predominant sources of emissions''' === Limited information is available on indoor air concentrations of naphthalene and exposure levels. Common indoor sources of naphthalene are unvented paraffin stoves and tobacco smoke. Us...")
10:11, 28 July 2023 USEV talk contribs created page Polycyclic aromatic hydrocarbons (Created page with "=== '''Definition''' === Polycyclic aromatic hydrocarbons (PAHs) are widespread environmental pollutants formed in the combustion process of carbonaceous materials at high temperature. They are a large group of organic compounds with two or more fused aromatic rings. Low molecular weight PAHs (two and three rings) are found in the atmosphere predominantly in the vapour phase, while multi-ring PAHs (five or more rings) are largely particle bound and are considered very d...")
10:08, 28 July 2023 USEV talk contribs created page Tetrachloroethylene (Created page with "=== '''Definition''' === Tetrachloroethylene (PCE) is a colourless, readily volatile liquid with an ether-like odour. The main industrial applications of PCE are as a dry-cleaning agent, degreaser for fabricated metal parts, and industrial solvent. Other applications include textile finishing, production of printing inks, and formulation of adhesives. === '''Predominant sources of emissions''' === There are no known natural sources of PCE. Concerning indoor sources:...")
10:07, 28 July 2023 USEV talk contribs created page Trichloroethylene (Created page with "=== '''Definition''' === Trichloroethylene (TCE) is a widely used industrial solvent. It is a volatile, colourless liquid with a sweet odour (similar to chloroform). It is mainly used for steam degreasing and cold cleaning of manufactured metal parts (80-95% of consumption). Other applications include industrial dry cleaning, printing, printing ink production, extraction processes, paint production and textile printing. === '''Predominant sources of emissions''' === C...")
10:05, 28 July 2023 USEV talk contribs created page PCE-VOC 1 (Created page with "=== ''' Short Description ''' === The meter is used for the measurement of total volatile organic compounds and formaldehyde (HCHO). The formaldehyde meter is characterised by its large display and simple operation. === ''' Parameters (accuracy)''' === Formaldehyde (HCHO): 0-5.00 mg·m-3 / ppm; ±5 % VOCs: 0-9.99 mg·m-3/ ppm; ±5 % === ''' Requirements''' === In addition to the value on the display, an alarm can be detected optically, as the display lights up red...")
10:03, 28 July 2023 USEV talk contribs created page Extech CO1O (Created page with "=== ''' Short Description ''' === Carbon dioxide (CO) meter. CO10 emits an alarm at 35 ppm and above which increases in speed at higher CO concentrations. Above 200 ppm, the alarm will sound continuously. Other features include a backlit display for use in low-light conditions, maximum hold, data hold and auto power off. === ''' Parameters (accuracy)''' === Carbon monoxide (CO): 0-1000 ppm; ±5 % or ±10 ppm === ''' Requirements''' === This device is equipped with a...")
09:48, 28 July 2023 USEV talk contribs created page URADMonitor MODEL A3 (Created page with "=== ''' Short Description ''' === uRADMonitor A3 is an automated, fixed monitoring station that monitors a total of 8 important air quality parameters. It comes in a compact and robust aluminium housing with wall mounting bracket. The data is exported to the uRADMonitor network and can be accessed in real time through the application or directly through the local network. === ''' Parameters (accuracy)''' === Sensor Parameters...")
09:39, 28 July 2023 USEV talk contribs created page Foobot (Created page with "=== ''' Short Description ''' === Foobot is an indoor air quality monitor. It can detect contaminants present in an environment and make them visible through its LED screen. === ''' Parameters (accuracy)''' === PM: 0 to 1300 μg·m-3; ±4µg or ±20% VOC: ±10% Temperature: 15 - 45°C; ±1°C Relative humidity: 30 - 85%; ±5% === ''' Requirements''' === WIFI connection required. Stores data every 5 minutes. Measurements are instantaneous on demand. Linked d...")
09:37, 28 July 2023 USEV talk contribs created page Awair Omni (Created page with "=== ''' Short Description ''' === Awair Omni sensors monitor seven key factors that influence the quality of indoor spaces: VOCs, PM, CO2, humidity, temperature, light and noise. The levels of the first five factors are represented on the device as five sequential dots. A single dot represents healthy levels of air quality for the factor in question, while a column of two or more dots indicates that the factor is reaching unhealthy levels. === ''' Parameters (accuracy)...")
09:35, 28 July 2023 USEV talk contribs created page CO2Panel PI (Created page with "=== ''' Short Description ''' === CO2Panel PI is a CO2 meter designed specifically for monitoring in schools, bars and offices, due to its robustness, simplicity of use and low cost. It uses a high precision NDIR sensor (Winsen MH-Z19). Indicates by means of a light whether the CO2 level is safe: -Green: good air quality. CO2 concentration is low. -Yellow: slight CO2 concentration. -Red: high CO2 concentration. === ''' Parameters (accuracy)''' === CO2: 0 -5000 ppm...")
09:34, 28 July 2023 USEV talk contribs created page Wöhler CDL 210 (Created page with "=== ''' Short Description ''' === The Wöhler CDL210 allows continuous logging and subsequent downloading of data to PC through the NDIR sensor. An audible alarm is activated when the preset limit value of the CO2 level is exceeded. === ''' Parameters (accuracy)''' === CO2: 0 -10000 ppm; ±50 ppm ±5% Temperature: -10°C- 60 °C; ±0.6 °C Relative humidity: 5 - 95 %; ± 3% or ± 5% === ''' Requirements''' === The meter starts measuring immediately after bein...")
09:28, 28 July 2023 USEV talk contribs created page Wöhler CDL 210''' (Created page with "=== ''' Short Description ''' === The Wöhler CDL210 allows continuous logging and subsequent downloading of data to PC through the NDIR sensor. An audible alarm is activated when the preset limit value of the CO2 level is exceeded. === ''' Parameters (accuracy)''' === CO2: 0 -10000 ppm; ±50 ppm ±5% Temperature: -10°C- 60 °C; ±0.6 °C Relative humidity: 5 - 95 %; ± 3% or ± 5% === ''' Requirements''' === The meter starts measuring immediately after bein...")
08:12, 28 July 2023 USEV talk contribs created page Dioxcare (Created page with "=== ''' Short Description ''' === It is a portable CO2 meter that detects carbon dioxide in the environment in real time with high accuracy through the high precision NDIR sensor (Cubic CM1106). It is portable with a rechargeable battery and easy to carry. === ''' Parameters (accuracy)''' === CO2: 0 -10000 ppm; ±40 ppm ±3% Temperature: 0 - 50 °C; ±1 °C Relative humidity: 0 - 85 %; ± 2% === ''' Requirements''' === It incorporates an audible alarm to warn w...")
08:09, 28 July 2023 USEV talk contribs created page Aranet 4 (Created page with "=== ''' Short Description ''' === Is an innovative battery-powered wireless sensor. Aranet4 uses the non-dispersive infrared (NDIR) sensor (Sensair Sunrise) to measure CO2 concentration. === ''' Parameters (accuracy)''' === CO2: 0 - 10000 ppm; ±30 ppm ±3% Temperature: 0 - 50 °C; ±0.3 °C Relative humidity: 0 - 85 %; ± 3 % === ''' Requirements''' === The device is portable, easy to install, easy to operate and lets yo...")
10:54, 27 July 2023 USEV talk contribs created page File:Imagen 1.png
10:54, 27 July 2023 USEV talk contribs uploaded File:Imagen 1.png
10:46, 27 July 2023 USEV talk contribs created page Types of sensor (Created page with "=== ''' Aranet 4 ''' === === ''' Short Description ''' === === ''' Parameters (accuracy)''' === === ''' Requirements''' === === ''' Maintenance/ Calibration ''' === === ''' Official Website ''' ===")
11:00, 11 July 2023 User account USEV talk contribs was created