WHO guidelines for drinking-water quality.
In soil, fertilizers containing inorganic nitrogen and wastes containing organic nitrogen are first decomposed to give ammonia, which is then oxidized to nitrite and nitrate, which are taken up by plants and used in the synthesis of organic nitrogenous compounds.
Urban air pollution in megacities of the world
Revision of the WHO guidelines for drinking water quality.
The physical, chemical and biological agents considered in the revision process, the procedure used to define the new guidelines, their meaning and their relationships with statutory limits are reported.
Air Pollution Surveillance Systems
Atmospheric surveillance is necessary in order to identify airborne pollutants, to establish ambient concentrations of these pollutants, and to record their trends and patterns. Air pollutants may…
Reduction of air pollution potential through environmental planning.
- J. C. Fensterstock, J. A. Kurtzweg, G. Ozolins
- Environmental ScienceJournal of the Air Pollution Control Association
- 1 July 1971
Three general areas are identified in which the policies, plans, and standards developed by environmental planners influence the air pollution problem: long-term, large-scale urban planning involving entire or substantial parts of metropolitan areas, design and operation of transportation systems, and location, design, and construction of individual roadways and structures.
Analysis of small pre-flare activity from radio observations at 755 MHz and 612 MHz
Une analyse des pre-eruptions solaires de 155 sursauts, observes a 755 et 612 MHz, est presentee. 60% de ces sursauts sont precedes par des precurseurs
Global efforts to produce accurate human exposure data
- G. Ozolins
- Environmental Science
- 1 July 1990
Efforts of the World Health Organization (WHO) and the United Nations Environment Program (UNEP) to promote the development and application of total human exposure assessment within their…
Interstate air pollution study. Phase II project report. VII. A proposal for an air resource management program
A proposal for a Missouri-Illinois air resource management program is made based on results from an interstate air pollution study made in the St. Louis-East St. Louis area.
SUMMARY OF STATE RADIOLOGICAL ENVIRONMENTAL SURVEILLANCE ACTIVITIES.
Global trends in water pollution control legislation
The scope of legislation on water pollution control is initially examined. Then, the administrative machinery responsible for implementing water pollution control programs is examined, after which…