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Abstract Title: Overview of indoor air quality standard ISO16000-34: Strategies for the measurement of airborne particles
Presenter Name: TBC
Company/Organisation: Dekati Limited
Country: United Kingdom

Abstract Information :

Particulate matter air quality is estimated to be one of the most significant sources of adverse health effects and even very significant direct cause of death. The Global Burden of Disease (GBD) study estimated that 2.9 million deaths in 2015 were associated with household air pollution, whereas WHO estimated 4.3 million related deaths in 2012 (Lancet Commission of Pollution and Health). Epidemiological studies indicate that the health effects of air quality are especially related to the sub-micron particles (Pope and Dockery 2006). People in industrialized countries spend most of the day indoors exposed to diverse conditions of particulate matter of varied concentration and size distribution. Ultrafine particles are either transported into indoor air from outdoor environments or the particles directly result from indoor sources like smoking, residential wood burning, cooking etc. including wide variety of sources for nanoparticles.

The concentration, composition, and size distribution of airborne particulate matter in indoor environments can be challenging to measure reliably. Measurement strongly depend on parameters such as the room size, relative humidity, air exchange rate, air flow conditions, and sink effects on different surfaces (e.g., walls, ceilings, floor coverings, furnishings). Depending on the indoor air conditions this can result in highly variable levels of indoor ultrafine/nanoparticle pollution that are not easily determined or measured in terms of their impact on health.

Increased need for reliable and comparable measurements has brought up a requirement for the standardisation of measurement of fine and ultrafine (PM10, PM2.5 and UFP) particles in indoor air. This work has been underway in ISO Technical Committee ISO/TC 146, Air quality, Subcommittee SC 6, Indoor air. As a result, the upcoming ISO 16000-34 standard will include for the first time a comprehensive overview and guidance on indoor air ultrafine and nanoparticle measurement methods and protocols together with recommendations for the instrumentation, uncertainty evaluation, quality assurance and typical cases of reference studies.

This presentation will review and evaluate the upcoming and proposed ISO 16000-34 and 37 standards, their meaning for the nanoparticle indoor air exposure studies and some insights and notes from the work of the working group 23 for ISO/TC146/SC6.


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