By WHO Regional Office for Europe
Moment variation The publication offers air caliber guidance for 35 components recognize to give a contribution to the matter of pollution in Europe. during this moment version, the publication has been significantly up to date and extended based on new study findings and advances within the technique of probability overview. guide values, which have been revised in a sequence of specialist consultations, are meant to function a foundation for the institution of nationwide criteria and different regulate measures had to guard public well-being.
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Extra resources for Air Quality Guidelines for Europe 2nd edition (WHO Regional Publications. European Series)
These factors include current concentrations of pollutants and exposure levels of a population, the specific mixture of air pollutants, and the specific social, economic and cultural conditions encountered. In addition, the standard-setting procedure may be influenced by the likelihood of implementing the standard. These considerations may lead to a standard above or below the respective guideline value. – 41 – 42 chapter 4 DEFINITIONS Several terms are in use to describe the tools available to manage ambient air pollution.
Moreover, numerical Table 2. 26 mg/m3 1 µg/m3 1 week 10 minutes 24 hours annual annual 1 week 24 hours — a The guideline value is based on the prevention of a further increase of cadmium in agricultural soils, which is likely to increase the dietary intake. b Not re-evaluated for the second edition of the guidelines. c Exposure at these concentrations should be for no longer than the indicated times and should not be repeated within 8 hours. d Because there is no evidence that atmospheric deposition of fluorides results in significant exposure through other routes than air, it was recognized that levels below 1 µg/m3, which is needed to protect plants and livestock, will also sufficiently protect human health.
This category is used for agents, mixtures and exposure circumstances for which there is limited evidence of carcinogenicity in humans and less than sufficient evidence of carcinogenicity in experimental animals. It may also be used when there is inadequate evidence of carcinogenicity in humans but there is sufficient evidence of carcinogenicity in experimental animals. In some instances, an agent, mixture or exposure circumstance for which there is inadequate evidence of carcinogenicity in humans but limited evidence of carcinogenicity in experimental animals together with supporting evidence from other relevant data may be placed in this group.
Air Quality Guidelines for Europe 2nd edition (WHO Regional Publications. European Series) by WHO Regional Office for Europe