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Volatile Organic Chemical Emissions From Carpets
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Book Synopsis Volatile Organic Chemical Emissions from Carpets. Final Report by :
Download or read book Volatile Organic Chemical Emissions from Carpets. Final Report written by and published by . This book was released on 1992 with total page 122 pages. Available in PDF, EPUB and Kindle. Book excerpt: The primary objective of this research, was to measure the emission rates of selected individual VOC, including low molecular-weight aldehydes, released by samples of four new carpets that are typical of the major types of carpets used in residences, schools and offices. The carpet samples were collected directly from the manufacturers' mills and packaged to preserve their chemical integrity. The measurements of the concentrations and emission rates of these compounds were made under simulated indoor conditions in a 20-M3 environmental chamber designed specifically for investigations of VOC. The measurements were conducted over a period of one week following the installation of the carpet samples in the chamber. Duplicate experiments were conducted for one carpet. In addition, the concentrations and emission rates of VOC resulting from the installation of a new carpet in a residence were measured over a period of seven weeks. The stabilities of the week-long ventilation rates and temperatures were one percent relative standard deviation. The four carpets emitted a variety of VOC, 40 of which were positively identified. Eight of these were considered to be dominant. They were (in order of chromatographic retention time) formaldehyde, vinyl acetate, 2,2,4-trimethylpentane (isooctane), 1,2-propanediol (propylene glycol), styrene, 2-ethyl-l-hexanol, 4-phenylcyclohexene (4-PCH), and 2,6 di-tert-butyl-4-methylphenol (BHT). With the exception of formaldehyde, only limited data are available on the toxicity and irritancy of these compounds at low concentrations. Therefore, it is difficult to determine at this time the potential magnitude of the health and comfort effects that may occur among the population from exposures to emissions from new carpets. The concentrations and emission rates of most compounds decreased rapidly over the first 12 h of the experiments.
Book Synopsis Volatile Organic Chemical Emissions from Carpet Cushions by :
Download or read book Volatile Organic Chemical Emissions from Carpet Cushions written by and published by . This book was released on 1994 with total page 71 pages. Available in PDF, EPUB and Kindle. Book excerpt: The US Consumer Product Safety Commission (CPSC) has received complaints from consumers regarding the occurrence of adverse health effects following the installation of new carpeting (Schachter, 1990). Carpet systems are suspected of emitting chemicals which may be the cause of these complaints, as well as objectionable odors. Carpets themselves have been shown to emit a variety of volatile organic compounds (VOCs). The objective of this study was to screen the representative samples of carpet cushions for emissions of individual VOCS, total VOCs (TVOC), formaldehyde, and, for the two types of polyurethane cushions, isomers of toluene diisocyanate (TDI). The measurements of VOCS, TVOC and formaldehyde were made over six-hour periods using small-volume (4-L) dynamic chambers. Sensitive gas chromatography-mass spectrometry (GC-MS) techniques were used to identify many of the VOCs emitted by the cushion samples and to obtain quantitative estimates of the emission rates of selected compounds. Separate screening measurements were conducted for TDI. The data from the screening measurements were used by the CPSC's Health Sciences Laboratory to help design and conduct week-long measurements of emission rates of selected compounds.
Book Synopsis Volatile Organic Chemical Emissions from Carpets by : Alfred T. Hodgson
Download or read book Volatile Organic Chemical Emissions from Carpets written by Alfred T. Hodgson and published by . This book was released on 1992 with total page 244 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Modeling Emissions of Volatile Organic Compounds from New Carpets by :
Download or read book Modeling Emissions of Volatile Organic Compounds from New Carpets written by and published by . This book was released on 1993 with total page 22 pages. Available in PDF, EPUB and Kindle. Book excerpt: A simple model is proposed to account for observed emissions of volatile organic compounds (VOCs) from new carpets. The model assumes that the VOCs originate predominantly in a uniform slab of polymer backing material. Parameters for the model (the initial concentration of a VOC in the polymer, a diffusion coefficient and an equilibrium polymer/air partition coefficient) are obtained from experimental data produced by a previous chamber study. The diffusion coefficients generally decrease as the molecular weight of the VOCs increase, while the polymer/air partition coefficients generally increase as the vapor pressure of the compounds decrease. In addition, for two of the study carpets that have a styrene-butadiene rubber (SBR) backing, the diffusion and partition coefficients are similar to independently reported values for SBR. The results suggest that predictions of VOCs emissions from new carpets may be possible based solely on a knowledge of the physical properties of the relevant compounds and the carpet backing material. However, a more rigorous validation of the model is desirable.
Book Synopsis Volatile Organic Compound Emissions from Carpet Materials and Their Contribution to Indoor Air by : Marilyn Shull Black
Download or read book Volatile Organic Compound Emissions from Carpet Materials and Their Contribution to Indoor Air written by Marilyn Shull Black and published by . This book was released on 1991* with total page 20 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Volatile Organic Chemical Emissions from Carpet Cushion by : Val H. Schaeffer
Download or read book Volatile Organic Chemical Emissions from Carpet Cushion written by Val H. Schaeffer and published by . This book was released on 1995 with total page 400 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :United States. Congress. Senate. Committee on Governmental Affairs. Ad Hoc Subcommittee on Consumer and Environmental Affairs Publisher : ISBN 13 : Total Pages :228 pages Book Rating :4.:/5 (51 download)
Book Synopsis New Research on the Potential Health Risks of Carpets by : United States. Congress. Senate. Committee on Governmental Affairs. Ad Hoc Subcommittee on Consumer and Environmental Affairs
Download or read book New Research on the Potential Health Risks of Carpets written by United States. Congress. Senate. Committee on Governmental Affairs. Ad Hoc Subcommittee on Consumer and Environmental Affairs and published by . This book was released on 1994 with total page 228 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Volatile Organic Emissions from Carpet Adhesives by : Gloria Joyce Browne
Download or read book Volatile Organic Emissions from Carpet Adhesives written by Gloria Joyce Browne and published by . This book was released on 1992 with total page 190 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Emissions from Plastics by : C. Henneuse-Boxus
Download or read book Emissions from Plastics written by C. Henneuse-Boxus and published by iSmithers Rapra Publishing. This book was released on 2003-06-30 with total page 152 pages. Available in PDF, EPUB and Kindle. Book excerpt: This report outlines the key issues regarding emissions from plastics. The report covers emissions from plastics during processing, treatment, storage and end-use. It summarises the published research on a wide variety of materials and settings. New methods of analysis and testing have been developed or adapted to examine these emissions. This report discusses the main techniques used. Data from analysis work on air quality and emissions from plastics is also included in this report. An additional indexed section containing several hundred abstracts from the Rapra Polymer Library database gives useful references for further reading.
Author :United States. Congress. House. Committee on Government Operations. Environment, Energy, and Natural Resources Subcommittee Publisher : ISBN 13 : Total Pages :248 pages Book Rating :4.:/5 (327 download)
Book Synopsis Potential Health Risks from Carpets and Carpeting Material by : United States. Congress. House. Committee on Government Operations. Environment, Energy, and Natural Resources Subcommittee
Download or read book Potential Health Risks from Carpets and Carpeting Material written by United States. Congress. House. Committee on Government Operations. Environment, Energy, and Natural Resources Subcommittee and published by . This book was released on 1993 with total page 248 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Common Indoor Sources of Volatile Organic Compounds by : Alfred T. Hodgson
Download or read book Common Indoor Sources of Volatile Organic Compounds written by Alfred T. Hodgson and published by . This book was released on 1999 with total page 484 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Chemicals-in-progress Bulletin written by and published by . This book was released on 1991 with total page 138 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Fundamentals of mold growth in indoor environments and strategies for healthy living by : Olaf C.G. Adan
Download or read book Fundamentals of mold growth in indoor environments and strategies for healthy living written by Olaf C.G. Adan and published by Springer. This book was released on 2011-09-18 with total page 509 pages. Available in PDF, EPUB and Kindle. Book excerpt: Today, indoor mold and moisture, and their associated health effects, are a society-wide problem. The economic consequences of indoor mold and moisture are enormous. Their global dimension has been emphasized in several recent international publications, stressing that the most important means for avoiding adverse health effects is the prevention (or minimization) of persistent dampness and microbial growth on interior surfaces and in building structures. This book aims to describe the fundamentals of indoor mold growth as a prerequisite to tackle mold growth in the existing building stock as well as in future energy efficient buildings. It brings together different disciplinary points of view on indoor mold, ranging from physics and material science to microbiology and health sciences. The contents have been outlined according to three main issues: Fundamentals, particularly addressing the crucial roles of water and materials, Health, including a state-of-the-art description of the health-related effects of indoor molds, and Strategies, integrating remediation, prevention and policies.
Book Synopsis Identification and Quantification of Volatile Organic Compound Emissions from Buildings and Heating, Ventilating and Air Conditioning Systems by : Chiung-Yu Peng
Download or read book Identification and Quantification of Volatile Organic Compound Emissions from Buildings and Heating, Ventilating and Air Conditioning Systems written by Chiung-Yu Peng and published by . This book was released on 1998 with total page 380 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Volatile Organic Compounds in the Environment by : Wun-cheng Wang
Download or read book Volatile Organic Compounds in the Environment written by Wun-cheng Wang and published by ASTM International. This book was released on 1996 with total page 289 pages. Available in PDF, EPUB and Kindle. Book excerpt: Papers delivered at the symposium of the same name, April 1994, by speakers from seven nations. Twenty presentations are arranged under six topics: regulation and assessment, air quality, environmental fate, environmental measurement, environmental monitoring, and control and remediation. A sampling
Book Synopsis Biological Risk Engineering Handbook by : Martha J. Boss
Download or read book Biological Risk Engineering Handbook written by Martha J. Boss and published by CRC Press. This book was released on 2016-04-19 with total page 530 pages. Available in PDF, EPUB and Kindle. Book excerpt: This handbook discusses biological risk engineering, an extension of industrial hygiene that involves the assessment, control, and decontamination of indoor biological risks. The book synergizes the knowledge of experts in various fields, from law to toxicology, to provide a compendium of information for applying science to limit biological risk.
Author :United States. Congress. House. Committee on Government Operations. Environment, Energy, and Natural Resources Subcommittee Publisher : ISBN 13 : Total Pages :256 pages Book Rating :4.0/5 (3 download)
Book Synopsis Potential Health Risks from Carpets and Carpeting Material by : United States. Congress. House. Committee on Government Operations. Environment, Energy, and Natural Resources Subcommittee
Download or read book Potential Health Risks from Carpets and Carpeting Material written by United States. Congress. House. Committee on Government Operations. Environment, Energy, and Natural Resources Subcommittee and published by . This book was released on 1993 with total page 256 pages. Available in PDF, EPUB and Kindle. Book excerpt:
