ENCYCLOPEDIA OF ENVIRONMENTAL SCIENCE AND ENGINEERING - AIR POLLUTANT EFFECTS pot

... attempts to control pollutants by declaring them to be criteria pollutants and setting air- quality standards resulted in the choice of emission controls instead of air- quality standards for toxic ... Guide to Indoor Air Quality (1995), EPA-402-K-93–007. Health Aspects of Indoor Air, New York Academy of Medicine (1981), 57, No. 10. Health Effects of Acid Precipitatio...

Ngày tải lên: 10/08/2014, 20:20

... Concentrations of effluent (schematic) as function of time of day, over city and country. 50 40 30 20 05101520 Time of day 100-T, (%) FIGURE 7 Concentrations of air pollution (100-T%), as function of time ... later, and requires a fairly sophisticated handling of meteorological data. The same models then also help in planning future growth of housing and industry....

Ngày tải lên: 10/08/2014, 20:20

... categories of air pollutants: those air pollutants which because of their universal nature or ubiquity, presented a threat to public health and welfare (called criteria pollutants); and those pollutants, ... combination of air pollut- ants (including primary pollutants) and natural components of the atmosphere. Some of these reactions require the pres- ence of sunli...

Ngày tải lên: 10/08/2014, 20:20

... subsidence and detrainment of air and the evaporation of precipitation. Precipitation is calculated in terms of the water and ice content of the cloud; cooling of the atmosphere by evaporation of ... models) of the global atmosphere coupled to the oceans and cryosphere (sea and land ice) only through prescribing and up-dating sur- face parameters such as temper...

Ngày tải lên: 10/08/2014, 20:20

... Group, LLC 166 C CHEMICAL EFFECTS : see EFFECTS OF CHEMICALS; AIR POLLUTANT EFFECTS; POLLUTION EFFECTS ON FISH CHEMICAL TREATMENT : see PHYSICAL AND CHEMICAL TREATMENT OF WASTEWATERS COAL ... transfer and stor- age facilities. Particulates can remain airborne and be trans- ported from the site under certain meteorological conditions and therefore must be evaluat...

Ngày tải lên: 10/08/2014, 20:20

... can lead to balancing problems and cross- contamination between laboratory spaces. Positive introduc- tion of air from corridors and of ce spaces by use of trans- fer fans can improve this. It ... Van Nostrand-Reinhold, New York. 10. Slote, Lawrence, Editor, Handbook of Occupational Safety and Health, 1987, Wiley-Interscience, New York. 11. Pipitone, David A., Safe Storage...

Ngày tải lên: 10/08/2014, 20:20

... (1984), “ Air Pollution Meteorology” Ency- clopedia of Environmental Science and Engineering, Vol. 1, Gordon and Breach, New York. Panofsky, H.A. and Prasad, B. (1967), The effect of meteorological ... airborne pollut- ants, Environmental Science and Technology, 22, pp. 240–246. Scott, H.J. (1954), Cleveland cooperative meteorological and air pollu- tion program...

Ngày tải lên: 10/08/2014, 20:20

... adsorption and electron-beam radiation. The selective catalytic reduc- tion of NO x to nitrogen and water by injection of ammonia in the presence of a catalyst has been developed and com- mercialized ... form N 2 and water. Wet Processes Wet processes fall into four catego- ries, absorption-reduction, oxidation-absorption-reduction, absorption-oxidation, and oxidation-abso...

Ngày tải lên: 10/08/2014, 20:20

... Concentrations of effluent (schematic) as function of time of day, over city and country. 50 40 30 20 0 5 10 15 20 Time of day 100-T, (%) FIGURE 7 Concentrations of air pollution (100-T%), as function of ... nature of the activity and the types of air pollutant problems associated with sources identified under standard categories of industries. Part 1. Polluta...

Ngày tải lên: 01/04/2014, 11:44

... was a summary of the causes and effects of acidic deposition and a comparison of the costs and effectiveness of alternative emission control scenarios. Since adverse effects of acid rain on ... Relationships Relevant to Ecologi- cal Effects of Acid Rainfall. U.S. EPA Report EPA-660/ 3-7 5-0 32, 46 pp. Seinfeld, J.H. (1986), Atmospheric Chemistry and Physics...

Ngày tải lên: 10/08/2014, 20:20