Norm

NEN-EN 15446:2008 en

Vluchtige en diffuse emissies van gemeenschappelijk belang voor industriesectoren - Meting van vluchtige emissies van dampen geproduceerd door apparatuur en lekkage van buizen

49,30

Over deze norm

Status Definitief
Aantal pagina's 17
Commissie Emissiemetingen en algemene aspecten
Gepubliceerd op 01-02-2008
Taal Engels
This standard applies to the measurement of fugitive emissions of volatile organic compounds (VOCs) from process equipment. The leak sources include, but are not limited to, valves, flanges and other connections, pressure relief devices, process drains, open-ended valves, pump and compressor seal systems, agitator seals, and access door seals. It does not apply to instrument tubing connections. This standard applies to all products of which at least 20 % by weight has a vapour pressure higher than 0,3 kPa at 20 °C. For the petroleum industry, this includes all light products and excludes kerosene and all heavier products. The standard is based on the measurement of the gas concentration at the interface of a leak. This concentration is measured with a portable instrument. It is converted to a mass emission rate by use of a set of correlations. The scope of this standard includes the complete data processing, from the initial concentration measurement up to the generation of an emission report over a reporting period (which is generally one year)1). This standard does not prescribe the number of potential emission points that should be screened each year nor the frequency at which these points should be screened. This sampling strategy shall indeed take into account the plant characteristics and the required level of control over fugitive emissions. Optical methods are currently under development to ease the detection of leaks in plants and use of this standard in conjunction with these methods might be possible. In any case, measurements have to be performed according to the requirements of this standard. To enable direct quantification of total fugitive emissions based only on these methods, a subsequent revision of this standard will be needed.

Details

ICS-code 13.040.40
Nederlandse titel Vluchtige en diffuse emissies van gemeenschappelijk belang voor industriesectoren - Meting van vluchtige emissies van dampen geproduceerd door apparatuur en lekkage van buizen
Engelse titel Fugitive and diffuse emissions of common concern to industry sectors - Measurement of fugitive emission of vapours generating from equipment and piping leaks
Vervangt
Normatieve verwijzingen
  • 96/61/EG, Verontreiniging preventie en bestrijding

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