Document Detail

Ambient air particulate matter PM10 and PM2.5: developments in European measurement methods and legislation.
MedLine Citation:
PMID:  19604056     Owner:  NLM     Status:  MEDLINE    
The measure of airborne particulate matter PM10 is effectively defined for European regulatory purposes by the European Committee for Standardisation (CEN) standard EN 12341:1998--a gravimetric filter-based method. However, compared with the reference methods written for other pollutants, specifically to address the needs of the Air Quality Directives, EN 12341 falls short in areas such as ongoing Quality Assurance and Quality Control. Also, scientific knowledge about PM has moved on considerably since 1998, so that we now realize that implementations of variations allowed within EN 12341:1998 can lead to substantial differences in results obtained. These issues were partially addressed within the CEN standard for PM2.5, EN 14907:2005, which, for example, included tighter control of the handling of sampled filters to reduce losses of semi-volatile material. CEN Technical Committee 264 Working Group 15 is currently revising EN 12341, and has the opportunity to improve the reference method further, for example by tighter specification of the filter material, or by changing the specification for the humidity at which the filters are brought to equilibrium. Any changes must, however, be considered in the context of the regulatory implications of the standard, so that improvements in scientific quality must be balanced with the effect of a step change in reference method, and with associated costs. The paper outlines the present position of the EN 12341 revision and recent changes to EU Air Quality legislation.
Paul Quincey; David Butterfield
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't; Review    
Journal Detail:
Title:  Biomarkers : biochemical indicators of exposure, response, and susceptibility to chemicals     Volume:  14 Suppl 1     ISSN:  1366-5804     ISO Abbreviation:  Biomarkers     Publication Date:  2009 Jul 
Date Detail:
Created Date:  2009-07-16     Completed Date:  2010-01-28     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9606000     Medline TA:  Biomarkers     Country:  England    
Other Details:
Languages:  eng     Pagination:  34-8     Citation Subset:  IM    
Environmental Measurements Group, National Physical Laboratory, Teddington, Middlesex, UK.
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MeSH Terms
Air Pollutants / adverse effects,  analysis*,  standards
Environmental Health* / legislation & jurisprudence,  methods,  standards
Environmental Monitoring* / legislation & jurisprudence,  methods,  standards
Government Regulation*
Guideline Adherence
Guidelines as Topic
Health Policy*
Inhalation Exposure
Particle Size
Particulate Matter / adverse effects,  analysis*,  standards
Program Development
Quality Control
Reproducibility of Results
Risk Assessment
Reg. No./Substance:
0/Air Pollutants; 0/Particulate Matter

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

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