Assessment of air quality for arsenic, cadmium, mercury and nickel in the Netherlands
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Series / Report no.
Open Access
Type
Report
Language
en
Date
1999-12-31
Research Projects
Organizational Units
Journal Issue
Title
Assessment of air quality for arsenic, cadmium,
mercury and nickel in the Netherlands
Translated Title
Assessment van de luchtkwaliteit voor arseen,
cadmium, kwik en nikkel Nederland
Published in
Abstract
Het voorkomen van arseen, cadmium, kiwk en nikkel in
lucht in Nederland is onderzocht. Op basis van bestaande meetgegevens, een
beperkte meetinspanning en de resultaten van modelberekeningen is het
mogelijk gebleken om een realistisch beeld te krijgen van de luchtkwaliteit
in Nederland voor deze stoffen. Achtergrondconcentraties van arseen,
cadmium en nikkel, zoals afgeleid uit metingen, bedragen resp. 0.6-1.1 ng
m-3, 0.2-0.4 ng m-3 en 2.0-2.5 ng m-3. Kwikconcentraties, afgeleid uit
modelberekeningen, zijn 2-3 ng m-3. Verhoogde cadmiumconcentraties zijn
waargenomen nabij de Hoogovens en in het Rijnmondgebied. In het
Rijnmondgebied zijn ook de nikkelniveaus verhoogd; meetresultaten in dit
gebied zijn goed in overeenstemming met de uitkomsten van modelberekeningen.
Alle waargenomen niveaus blijven onder de luchtkwaliteitdoelstellingen met
uitzondering van cadmium en nikkel waarvoor de het niveau van het
Verwaarloosbaar Risico lokaal wordt overschreden.
The presence of arsenic, cadmium, mercury and nickel in air in the Netherlands has been investigated. Using measurement data, a limited supplemental monitoring effort and the results of modelling calculations, it has been possible to obtain a realistic picture of air quality in the Netherlands with respect to these substances. Background concentrations of arsenic, cadmium and nickel as derived from measurement results range from 0.6-1.1 ng m-3, 0.2-0.4 ng m-3 and 2.0-2.5 ng m-3, respectively. Air quality figures for mercury as derived from model calculations are 2-3 ng m-3. Increased cadmium concentration levels in industrial areas were observed near the Hoogovens (Steelworks) and in the Rijnmond industrial area. Nickel levels increased in the Rijnmond area and were shown to be in good agreement with model calculations. All levels were usually found to be within the air quality objectives. Exceptions here are cadmium and nickel, for which the Negligible Risk levels are locally exceeded in comparing these levels to air quality objectives.
The presence of arsenic, cadmium, mercury and nickel in air in the Netherlands has been investigated. Using measurement data, a limited supplemental monitoring effort and the results of modelling calculations, it has been possible to obtain a realistic picture of air quality in the Netherlands with respect to these substances. Background concentrations of arsenic, cadmium and nickel as derived from measurement results range from 0.6-1.1 ng m-3, 0.2-0.4 ng m-3 and 2.0-2.5 ng m-3, respectively. Air quality figures for mercury as derived from model calculations are 2-3 ng m-3. Increased cadmium concentration levels in industrial areas were observed near the Hoogovens (Steelworks) and in the Rijnmond industrial area. Nickel levels increased in the Rijnmond area and were shown to be in good agreement with model calculations. All levels were usually found to be within the air quality objectives. Exceptions here are cadmium and nickel, for which the Negligible Risk levels are locally exceeded in comparing these levels to air quality objectives.
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Publisher
Sponsors
DGM-Directie lucht en Energie