By WHO Regional Office for Europe
Moment version The publication presents air caliber directions for 35 elements be aware of to give a contribution to the matter of pollution in Europe. during this moment version, the publication has been significantly up to date and elevated according to new study findings and advances within the technique of possibility evaluate. instruction values, that have been revised in a chain of specialist consultations, are meant to function a foundation for the institution of nationwide criteria and different regulate measures had to protect public healthiness.
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Additional resources for Air Quality Guidelines for Europe 2nd edition (WHO Regional Publications. European Series)
Table 1. Size and completeness of database in relation to assessment method Examples Nitrogen dioxide, ozone, lead Manganese, nickel Volatile organic compounds Completeness/ Uncertainties Feasibility of Need for size of expert standardized database judgement approach +++ + +++ + ++ ++ ++ ++ + +++ + +++ criteria used in establishing guideline values 19 It will be seen that when the database is strong (that is, when a good deal is known about the human toxicology of the compound) it is suggested that expert judgement can be used to set a guideline.
When general ambient air levels are orders of magnitude lower than the guideline values, present exposures are unlikely to cause concern. Guideline values in those cases are directed only to specific release episodes or specific indoor pollution problems. As stated earlier, the starting point for the derivation of guideline values was to define the lowest concentration at which adverse effects are observed. On summary of the guidelines 35 the basis of the body of scientific evidence and judgements of uncertainty factors, numerical guideline values were established to the extent possible.
Methods for estimating risk of chemical injury: human and non-human biota and ecosystems. New York, John Wiley & Sons, 1985. 14. Health assessment document for nickel. Research Triangle Park, NC, US Environmental Protection Agency, 1985 (Final Report No. EPA-600/ 8-83-12F). 15. L. ET AL. Quantitative approaches in use to assess cancer risk. Risk analysis, 3: 277–295 (1983). 16. NATIONAL RESEARCH COUNCIL. Drinking water and health. Washington, DC, National Academy Press, 1977. 17. Risk assessment and risk management of toxic substances.
Air Quality Guidelines for Europe 2nd edition (WHO Regional Publications. European Series) by WHO Regional Office for Europe