Document Detail


The use of an odour wheel classification for the evaluation of human health risk criteria for compost facilities.
MedLine Citation:
PMID:  17489428     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
Odorants are released during the decomposition of organic waste at compost treatment plants. Composting releases volatile organic chemicals (VOCs), including alcohols, aldehydes, volatile fatty acids, ammonia and other nitrogen compounds, senobiotic solvents, and various sulphur compounds into the environment as categorised by a compost odor wheel. Each odorant possesses a characteristic odour signature--quality and threshold as well as a tosicity value. This paper presents data relating the human odour detection limit to human health threshold criteria developed by the National Institute for Occupational Safety and Health, Occupational Satety and Health Administration, the United States Environmental Protection Agency Region 9 and the World Health Organisation. This comparison indicates that: (1) the human odour threshold concentrations (OTO) for most compost odorants are far lower than their respective human health risk (regulatory) threshold values, (2) several compost odorants have OTC that are below some of their respective regulatory thresholds and above others (i.e. dimethyl amine, formic acid acetone, ethyl benzene and toluene) and (3) only the VOCs probably present as contaminants in the raw composting material have OTC greater than all of its regulatory thresholds (i.e. benzene). Benzene is the most hazardous VOC associated with compoating and should be monitored.
Authors:
P E Rosenfeld; J J J Clark; A R Hensley; I H Suftet
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Water science and technology : a journal of the International Association on Water Pollution Research     Volume:  55     ISSN:  0273-1223     ISO Abbreviation:  Water Sci. Technol.     Publication Date:  2007  
Date Detail:
Created Date:  2007-05-10     Completed Date:  2007-06-27     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9879497     Medline TA:  Water Sci Technol     Country:  England    
Other Details:
Languages:  eng     Pagination:  345-57     Citation Subset:  IM    
Affiliation:
Soil Water Air Protection Enterprise, 201 Wilshire Blvd., Second Floor, Santa Monica, CA 90401, USA.
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MeSH Terms
Descriptor/Qualifier:
Alcohols
Brassica
Environmental Monitoring / methods
Fatty Acids / analysis
Garlic
Humans
Nitrogen / analysis
Odors / analysis*
Organic Chemicals / analysis*
Risk
Risk Assessment
Soil / analysis
Solvents / chemistry
Sulfur / chemistry
Chemical
Reg. No./Substance:
0/Alcohols; 0/Fatty Acids; 0/Organic Chemicals; 0/Soil; 0/Solvents; 7704-34-9/Sulfur; 7727-37-9/Nitrogen

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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