Found 9884 publications. Showing page 163 of 396:
Status of road dust emission modelling using GRD-2: Model development at NILU and within NORTRIP. NILU F
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Tilførselsprogrammet 2010. Passive air and water sampling at Andøya, Bjørnøya and Jan Mayen, 2009-2010. NIVA-rapport, 6188-2011
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The Air Quality in Oslo in 2025 will be worse than previously expected. If the present trend of a high percentage of sold diesel passenger cars will continue it will make the NO2 levels from light vehicles higher in 2025 compared with 2010.This is due to higher emissions of diesel cars in real driving cycles compared to the emissions standards. The calculation of NO2 concentrations in 2025 shows levels that will violate the directives¿ limit values in a large area of Oslo.
Calculations are done for 2010 and 2025 and results from totally 9 dispersion calculations are shown. Firstly 4 reference calculations are considered looking at the effect of the difference of real emissions factors taken from measurement under typically urban driving-cycle compared with the emission standards. There have also been done 3 mitigation calculations with incentives for lower diesel cars sales numbers and two short-time measures limiting the use of cars.
None of these measures are sufficient for keeping the limit values in Oslo and Bærum in 2025 and hence more measures are needed.
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Occurrence of selected organic micropollutants and silver at wastewater treatment plants in Norway. NIVA rapport, 6157-2010
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The nikkel smelters in NW Russia close to the Norwegian border emits large quantities of sulphur dioxide (SO2) and heavy metals. These emissions lead to enhanced concentrations of environmental pollutants in the border areas, also at the Norwegian side of the border. This report is part of the national environmental monitoring program and includes air quality monitoring, precipitation chemistry and meteorology.
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SK-1531 Dispersion calculations and HSE evaluation. NILU OR
Norwegian Institute for Air Research (NILU) has performed dispersion calculations of emissions to air from stack SK-1531 at Mongstad refinery. Dispersion of NH3, HCN, CO, CO2, NO2, SO2 and benzene is calculated and analyzed. NILU has also evaluated the calculated concentrations from a HSE point of view, including life time/degradation of the components. The calculated concentrations have been added to existing background concentrations at Mongstad and the calculated total concentrations have been compared to air quality guidelines and threshold values. None of the components investigated here exceed the threshold values. Emissions from SK-1531 is then considered not to represent a problem for the air quality at Mongstad
2011