Sheet1Citation/TitleSampleEnvironmentMethodFindings/ConclusionsGaps/LimitationsReferencesNishantPTI 19/05/201550 countriesNew/ untappedNews updateIts about launching of the product. Its utility has not been defined as suchTarget group, market has not been coveredTarget group, market has not been coveredEncyclopediaNot mentionedLargeNew data from all over the worldMost of the demographic area has been covered by the researcherLimitations/side effects have not been mentionedLimitations/side effects have not been mentionedIANS, 21/07/20155 cities (smart phone users)Newly marketResearch basedApp based serviceTier II cities have not been coveredTier II cities have not been coveredFeonline, 02/02/2015Delhi CityPoliticalAir quality Index readingResearch undertaken for US Presidents visit to IndiaMeant only for political purposeMeant only for political purposeJaiConsumers Union of U.S., December 2007"Air Purifiers: Filtering the Claims"Not applicableNot applicableResearch based (controlled environment)Air purifiers alone wont clean the air or relieve asthma or allergy symptomsResearch done in the U.S.Air Purifiers: Filtering the ClaimsConsumers Union of U.S., December 2007"Air Purifiers: Filtering the Claims"Not applicableNot applicableResearch based (controlled environment)Electrostatic precipitator, a type of air purifier, creates Ozone as a byproductAnalysis restricted to controlled environment i.e. no end user feedback incorporatedResearch done in the U.S.Air Purifiers: Filtering the ClaimsConsumers Union of U.S., December 2007"Air Purifiers: Filtering the Claims"Not applicableNot applicableResearch based (controlled environment)Ozone emissions of home air purifiers arent regulated by any federal agency.Not clear whether there is any monitoring agency in IndiaAir Purifiers: Filtering the ClaimsConsumers Union of U.S., December 2007"Air Purifiers: Filtering the Claims"Not applicableNot applicableResearch based (controlled environment)Air purifiers that draw air through fabric filters are among those that do the best job of removing dust and smoke from the air without producing any ozone.Analysis restricted to controlled environment i.e. no end user feedback incorporatedResearch done in the U.S.Specific models/products not citedAir Purifiers: Filtering the ClaimsConsumers Union of U.S., December 2007"Air Purifiers: Filtering the Claims"Not applicableNot applicableResearch based (controlled environment)No standard exists for acceptable indoor ozone levels generated by a nonmedical deviceNot clear whether there is any monitoring agency in IndiaAir Purifiers: Filtering the ClaimsConsumers Union of U.S., December 2007"Air Purifiers: Filtering the Claims"Not applicableNot applicableResearch based (controlled environment)Forced-air heating/cooling systems circulate so much air that they can overwhelm portable purifiers. Whole house purifiers are a better option.Analysis restricted to controlled environment i.e. no end user feedback incorporatedResearch done in the U.S.Specific models/products not citedAir Purifiers: Filtering the ClaimsConsumers Union of U.S., December 2007"Air Purifiers: Filtering the Claims"Not applicableNot applicableResearch based (controlled environment)Best room purifiers: Whirlpool and KenmoreAnalysis restricted to controlled environment i.e. no end user feedback incorporatedResearch done in the U.S.Air Purifiers: Filtering the ClaimsConsumers Union of U.S., December 2007"Air Purifiers: Filtering the Claims"Not applicableNot applicableResearch based (controlled environment)Portable air purifiers work best at high speeds but are quietest on low. Run the unit on the higher, louder setting when youre not in the room, and turn it down to low when youre nearby. Or buy a model certified for a larger area. We believe a clean-air delivery rate (CADR) above 350 is excellent, and one below 100 is poor.Analysis restricted to controlled environment i.e. no end user feedback incorporatedResearch done in the U.S.Air Purifiers: Filtering the ClaimsIshooShiv C. Dubey, Harshad V. Murugkar, Ramesh K. Kaushik, and Diwakar D. Kulkarni (2009) : The Efficiency of HEPA Filters in the Air-handling Systemof a Bio-containment Laboratory in IndiaThe laboratorys air-handling system is comprised of 23 air-handling units (AHUs) with 97 HEPA filters (Anfilco, India) fitted in 92 filter housings.The High Security Animal Disease Laboratory (HSADL) in BhopalThis paper discusses the efficiency of the HEPA filters carried out over a decade-long period.Following commissioning of the laboratory in 1997,the first filter replacement was carried out in 2002, and the majority of the filters (i.e., 79%) were replaced 6 years after laboratory commissioning. The longevity of the HEPA filters depends on a number of factors, such as dust concentration, temperature, humidity, severe conditions like earthquake or violent explosion resulting in a long duration of pressure pulses or shock pulses (Osaki & Kanagawa, 1989), air supply and exhaust pressure, quality of the filter medium, or sealant systeminduced pressure pulses (e.g., sudden starting of air blowers).Longer filter shelf life in this study could be attributed to many probable reasons including the following: (1) The laboratory is located in very close proximity to a lake that brings northern winds with a relatively lower concentration of dust in the direction of the laboratory; (2) The laboratory is situated about 1 km from the highway; consequently, the dust concentration is relatively low as compared to many other places in the region; (3) The laboratory campus has a fairly thick tree canopy that might have trapped a good amount of the dust.Steve Devine, Sean OReilly, Andy Stillo, and Don Thornburg (2013): A SCIENCE-BASED APPROACH TOSELECTING AIR FILTERSThis article provides an overview of science-based factors to consider when selecting HEPA filters.Factory VS. Field Testing Of HEPA FiltersA large number of commercially available filtration products use a filtration media that will show high particle removal efficiency in laboratory testing, but will decrease in efficiency during actual service.Laboratory testing and field monitoring indicate that the presence of a HEPA filter in a system may delay the attainment of peak concentration levels downstream of the HEPA filter, due to the enormous surface area of the filtration media.Acceptable test methods, stable uniformity and airflow distribution, and readily available equipment to field test. These obstacles, along with a reliable source of supply, remain a concern.U.S. Environmental Protection AgencyThe article is the study about causes of impure air quality, air filteration methods & precautionsNormal living conditions at home (or indoors).The article is the study about causes of impure air quality, air filteration methods & precautionsIndoor air pollution is among the top five environmental risks to public health. The best way to address this risk is to control or eliminate the sources of pollutants and to ventilate a home with clean outdoor air. The ventilation method, however, may be limited by weather conditions or undesirable levels of contaminants in outdoor air. If these measures are insufficient, an air-cleaning device may be useful. While air-cleaning devices may help control the levels of airborne particles including those associated with allergens and, in some cases, gaseous pollutants in a home, air cleaning may not decrease adverse health effects from indoor air pollutants.Overall the study is about general environment conditions. But it is not based on Indian environment conditions.

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