62 ventilation for acceptable indoor air quality

... Procedure: Acceptable air quality is achieved by providing ventilation air of the specified quality and quantity to the space (see 6.1) or 4.2 Indoor Air Quality Procedure: Acceptable air quality ... Standard 62-1999 is to “…specify minimum ventilation rates and indoor air quality that will be acceptable to human occupants….” The standard further defines acceptable indoor air quality as “air in ... The requirements for ventilation air quantities given in Table 2 are for 100% out-door air when the outout-door air quality meets the specifications for acceptable outdoor air quality given in...

Ngày tải lên: 08/08/2017, 05:17

... modeling of a compartmented coil for demand ventilation to achieve enhanced indoor air quality, Proceedings of the 10th international conference on indoor air quality and climate, September 4-9, ... recirculated air for floor levels, because of the high kinetic pressure. Location weighted personal exposure effectiveness is utilized as an evaluation index for evaluating indoor air quality (IAQ). Air ... task/ambient ventilation systems and mixing ventilation systems. Location weighted personal exposure effectiveness is utilized as an evaluation index for evaluating indoor air quality (IAQ). Air velocity...

Ngày tải lên: 14/09/2015, 08:37

... suffering from air pollution, especially buildings in the big cities While quite a few air quality monitoring devices have been built by governments in buildings However, the quality of indoor air inside ... inside offices, schools, and other workplaces is important not only for workers’ comfort but also for their health Poor indoor air quality (IAQ) has been tied to symptoms like headaches, fatigue, ... INDOOR AIR QUALITY MONITORING FOR SMART BUILDING Major: Electronics and Communications Hanoi - 2016 VIETNAM NATIONAL UNIVERSITY, HANOI UNIVERSITY OF ENGINEERING AND TECHNOLOGY Doan Ba Cuong INDOOR...

Ngày tải lên: 17/04/2017, 22:41

... another reason for problems with the indoor environment and its parameters (i.e indoor air quality, thermal comfort, lighting and sound quality) DISCUSSION AC For indoor air quality ,... ... Environmental specimen banking: an instrument for indoor air AC CE PT ED M AN U SC R research? In: Proceedings of Indoor Air 2008;... for indoor air quality, report on a working group meeting ... indoor air quality over time can for example be related to the number of people developing a certain illness. From the indoor air point view, indoor air quality is often expressed in a certain ventilation...

Ngày tải lên: 20/03/2014, 13:11

... issued a report on the role of indoor air quality in the growing asthma epidemic The report, “Clearing the Air: Asthma and Indoor Air Exposures,” confirmed that indoor pollutants are an important ... Tools For Schools http://www.epa.gov/iaq/schools/asthma/index.html U.S Environmental Protection Agency (EPA) Indoor Environments Division Office of Radiation and Indoor Air, Indoor Air Quality ... Tools for Schools is an excellent, results-oriented tool With support from EPA, AASA offers an internet presentation for school leaders on financing good indoor air quality Call 703-875-0731 for...

Ngày tải lên: 23/03/2014, 23:20

... Action 'Indoor Air Quality and Its Impact on Man'), 1997 Total volati- le organic compounds (TVOC) in indoor air quality investigations Report No 19 EUR 17675 EN Luxembourg: Office for Official ... In Western Europe people may be exposed to indoor air for more than 20 hours per day The quality of indoor air has a non-negligible impact on human comfort and even health These two facts explain ... 1982; Noma et al., 1988) 4.4 Previous approaches for evaluation Two possible approaches for deriving indoor air quality guidelines for VOCs (excluding formaldehyde and carcinogenic VOCs) have been...

Ngày tải lên: 28/03/2014, 19:20

... per year are caused by air pollution [2]. Especially the quality of indoor air is of utmost importance for human health. Not only because people spend most of their time indoors (in industrialized ... must be stated. The tobacco smoke particles and indoor air quality study (ToPIQS) will approach this issue by device supported generation of indoor ETS and simultaneously measurements of PM ... article as it appeared upon acceptance. Fully formatted PDF and full text (HTML) versions will be made available soon. Tobacco smoke particles and indoor air quality (ToPIQ) - the protocol of a new...

Ngày tải lên: 20/06/2014, 00:20

... and are not likely to be airborne Indoor Source Information Although indoor pollen grain exposures are generally less than outdoor exposures, the reduced pollen count indoors may still contribute ... (www.aaaai.org/nab) These records and additional allergy information can be accessed by the public 20 02 CRC Press LLC As for assessing indoor air quality, ... temperatures Optimum growth temperature ... They all perform on a similar principle but vary in up-front cost, on-going... container specifically made for this purpose This is generally not a problem with the Air- O-Cells The Air- O-Cells...

Ngày tải lên: 11/08/2014, 07:20

... About Indoor AirPollutants at 1984 Levels of Knowledge (Standard) Table C-4 ASHRAEStandard 62-1989 p.21 3 Indoor Air Quality Management Group Guidance Notes for the Management of Indoor Air Quality ... identification of twenty compounds commonly found inindoor air quality assessments See Table 8.2 for a listing of the most frequentlyimplicated VOCs in indoor air quality, recommended limits (i.e., ACGIH, ... Their presence in indoor air quality is not so much anissue as the type of compounds, exposure levels, and duration of exposure Indoor air quality generally consists of the outside air and all the...

Ngày tải lên: 11/08/2014, 07:20

... certain industrial activities. Only recently has forensic microscopy been recognized as a tool in indoor air quality investigations. Without forensic microscopy, identification of unknowns was ... confirmed or denied. For instance, in one case, white spots on surfaces implicated paint as the source of indoor air quality, yet the spots were silicon. ©2002 CRC Press LLC Forensic microscopy ... suggested that indoor air quality problems were caused by glass fibers. 2 Possible sources of airborne glass fiber exposures include, but are not limited to, fireproofing in air plenums, ceiling...

Ngày tải lên: 11/08/2014, 07:20

... Assessment and Indoor Air Quality Edited by Elizabeth L. Anderson and Roy E. Albert © 1999 by CRC Press LLC Library of Congress Cataloging-in-Publication Data Risk assessment and indoor air quality ... commissioned by the Center for Indoor Air Research as a state- of-the-art review of the science of risk assessment and its application in understand- ing and remediating indoor air quality concerns. While ... Current Indoor. .. Current Indoor Air Risk Assessment Activities Comparison of Indoor Air Risks and Other Environmental Risks Legislative and Regulatory Initiatives Addressing Indoor...

Ngày tải lên: 11/08/2014, 09:21

... complete risk assessment/risk management process for indoor air pollutants is not yet codified, there is a growing prospect for a decision tool in the foreseeable future that will be widely accepted ... specifically mention indoor air pollution, the indoor environment pro- vides the opportunity for more concentrated and continuous exposures to mixtures of pollutants than are generated both indoors and ... important role for hazard identification in the future in accounting for multipollutant impacts by mixture analysis. Nowhere is this more important than in the assessment of indoor air pollution....

Ngày tải lên: 11/08/2014, 09:21

... especially for the iden- tification of potential long-term exposures to low concentrations of an indoor air pollutant. Adverse health effects can be useful indicators of an indoor air quality problem ... detected in indoor air environments. Table 1 in Chapter 1 summarizes the primary indoor air pollutants. This section reviews the health hazards that have been attributed to select indoor air pollutants, ... useful for identifying potential immunotoxic indoor air pollutants; these include the following: • tests for antigen-specific IgE antibodies (skin testing or in vitro assays); • assays for auto-antibodies;...

Ngày tải lên: 11/08/2014, 09:21

... bomb survivor data) is that in the air pollution data information on exposure is available only from central monitors of air quality. It is not possible to form strata of individuals with like ... chapter is a formidable task. Although many of the same methods can be used for experimental and epidemiologic studies, this chapter focuses on statistical methods that have been developed for analyses ... types of study, information on exposures and disease is available on an individual basis for all subjects enrolled in the study. In a third type of study, the ecological study, infor- mation is...

Ngày tải lên: 11/08/2014, 09:21

... applied to indoor air exposure assessments. A. Identifying Pollutants and Sources of Indoor Air Contaminants In the Report to Congress on Indoor Air Quality (EPA 1989), the EPA grouped indoor air pollutants ... the Indoor Air Exposure Assessment A. Identifying Pollutants and Sources of Indoor Air Contaminants B. Determining Exposure Pathways and Environmental Fate C. Measuring or Estimating Indoor Air ... contributor to indoor air pollution, American Journal of Public Health 83(1):84–88 Klepeis, N.E., Ott, W.R., et al 1996 A multiple-smoker model for predicting indoor air quality in public...

Ngày tải lên: 11/08/2014, 09:21

... (Hoffman and Hammonds 1994; IAEA 1989). In the Guidelines for Exposure Assessment (EPA 1992c) and Guidance for Risk Characterization for Risk Managers and Risk Asses- sors (EPA 1992a), the EPA ... toxicologist’s... using an air toxics emissions example, Human and Ecological Risk Assessment 2(4) :76 2 79 7 Gratt, L.B 1989 Uncertainty in air toxics risk assessment, for presentation at ... dependent on each chemical’s toxicity database. For example, a few chemicals (e.g., arsenic) have sufficient epidemiological data of occupational cohorts for the EPA’s derivation of a dose–response...

Ngày tải lên: 11/08/2014, 09:21

... the National Ambient Air Quality Standards... the National Ambient Air Quality Standards for Particulate Matter: Policy Assessment of Scientific and Technical Information, EPA/452/R ... infiltration of outdoor air. Outdoor PM is regulated by the EPA and state and local air pollutant control agencies. Indoor PM is not federally regulated except for workplace standards for specific substances ... comparisons across the air sampling monitor sites in areas where standards are met. 2. Indoor Particulate Matter The OSHA regulates substances in the workplace air by establishing and enforc- ing Permissible...

Ngày tải lên: 11/08/2014, 09:21

... and benefit indoor air quality II INDOOR AIR RISK ASSESSMENT RESEARCH PROGRAMS A U.S Environmental Protection Agency The EPA research into indoor air pollution began in the late 1970s For example, ... and levels of indoor air pollution; development of instruments for indoor air quality data collection; the study of high-risk buildings; identification of the effects of indoor air pollution ... its 1989 Report to Congress on Indoor Air (EPA 1989), the EPA described the ambitious indoor air research program required by Title IV (Radon Gas and Indoor Air Quality Research Act) of the 1986...

Ngày tải lên: 11/08/2014, 09:21

... and appreciation to Prof P Ole Fanger for the inspiring research work, ideas and visions on thermal comfort and indoor air quality research I iii thank him for sharing his knowledge through the ... - 12 13 Indoor air quality -2.2.1 Sick Building Syndrome (SBS) symptoms 2.2.2 Physiological (biomarkers) responses to indoor air quality ... thermal environment on occupants’ performance -2.3.3 Impacts of indoor air quality on occupants’ performance 26 26 Work performance factors ...

Ngày tải lên: 15/09/2015, 17:10

... fainting in rooms with poor quality of indoor air (Joshi 2008) The quality of air in offices Offices and agencies are a certain microenvironment with specific air quality Mostly, office employees ... developing ventilation and indoor air quality standards: the story of ASHRAE standard 62 Build Environ 91:61–69 Righi E, Aggazzotti G, Fantuzzi G, Ciccarese V, Predieri G (2001) Air quality and ... of natural ventilation and manual airing in naturally ventilated Italian classrooms Build Environ 98:180–189 Sundell J (2004) On the history of indoor air quality and health Indoor Air 14:51–58...

Ngày tải lên: 04/12/2022, 14:51