Viewing papers 1-5 of 5 for environmental AND toxicology AND nitrogen AND dioxide

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Environmental Toxicology Nitrogen Dioxide Term Paper

… Nitrogen Dioxide

KILLING U.S. SOFTLY?

Chemical and Physical Data

Nitrogen Dioxide or NO2 is a red-brown or yellow liquid, which becomes a colorless solid at a specific temperature (EPA 2007). It is a non-combustible component of automotive exhaust fumes. It can be derived during the intermediate stage in the oxidation of ammonia to nitric acid. It is highly poisonous and even fatal when inhaled. Tolerance in the air is at 5 ppm. Nitrogen dioxide can react strongly with reducing materials. It occurs as environmental tobacco smoke and artificially as kerosene heaters, un-vented gas stoves and heaters. Among its effects on health are irritations on the eyes, nose and throat; pulmonary edema and diffused lung injury; chronic bronchitis; decreased lung function; and increased risk of respiratory…. [read more]


Environmental Issues Faced in 21st Research Paper

… The main technique for controlling stormwater releases is the application of best administration practices (BMPs) that stop or diminish the release of contaminants into a water body (e.g., building of a stormwater holding pond to stop stormwater drainage straight into getting waters). best administration practices appropriate for one airport are not necessarily appropriate for another. Issues that may have some kind of an affect on permit supplies (i.e., suitable best administration practices), include the local climate (dry vs. rainy/wet, cold vs. warm); (Suzanne & Fallacaro, 2011).

the size or type of neighboring water bodies -- contaminants are weak depending on the size of the water body getting the release (a stream or creek vs. A river or ocean);

the water excellence of neighboring water bodies…. [read more]


Environmental Biology: The Effects Term Paper

… Actions Taken to Prevent Ocean Pollution

The National Clean Water Action Plan was established in 1998 to provide a foundation for local, state, tribal, and federal governments to implement that would protect and restore the water resources of our nation. The four key components of the plan are the following goals:

watershed approach

Strong federal and state mandated standards

Natural resource stewardship

Informed citizens and officials through education resources

The plan identified the need for development of a multi-agency Coastal Research Strategy and a plan for a coordinated monitoring of coastal waters. These combined efforts led to the comprehensive report to the public and the development of educational materials for distribution.

This research produced efforts that targeted adult audiences who directly or indirectly make decisions…. [read more]


Air Pollution Term Paper

… The natural protective layer of ozone in the upper atmosphere protects us from the sun's harmful ultraviolet rays, on the contrary man-made ground -level ozone is harmful to us and all living things inhibiting our planet.

Nitrogen Dioxide

Oxides of nitrogen include NO and NO2. These have lower reactivity than Ozone. Nitrogen dioxide dissolves in water in the airways to form nitric and nitrous acids, which damage the airway epithelial lining. Children and patients with asthma have increased susceptibility to nitrogen dioxide; there is a wide variation in individual responses to this pollutant.

Nature and Sources OF Nitrogen Dioxide

Nitrogen dioxide is a light brown gas that is an essential constituent of fog in cities. High-temperature burning processes; such as discharge by vehicles and power…. [read more]


Acid Rain and Geology Essay

… 2130). The authors explain that some soil on forest floors have developed "efficient retention" of nitrogen, and that retention could be a result of "mycorrhizal assimilation" -- a process through which the soil seamlessly absorbs and incorporates nitrogen from acid rain into its organic composition.

The science involved in Kang's research is interesting: organic nitrogen is known to be produced in forest soils through "microbial assimilation" or "litter production"; it can be mineralized in the soil by microbes that produce "extracellular enzymes," Kang writes (2130). This enzymatic process is part of nutrient cycling and so if there are impediments to enzyme activity too much nitrogen could possibly be retained. What would an impediment do? Acid rain could become an impediment to normal cycling of enzymes,…. [read more]

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