Environmental Science Mods 4-5 Blurry Bits Flashcards
Diseases caused by Water Pollution
Typhoid, Cholera, Hepatitis and Methemoglobinemia.
Causes of Water Pollution
Domestic Waste, Industrial Waste, and Agricultural waste
What air-pollutant compounds do industrial chimneys and powerhouses discharge?
CO (Carbon Monoxide) CO2 (Carbon Dioxide), SO2 (Sulfur Dioxide) and H2S (Hydrogen Sulfide) and other hydrocarbons
Phosphate fertilizer manufacturing plants - fluorine compounds.
HF (Hydrogen Fluoride), F2 (Fluorine), SiF4 (Silicon Tetrafluoride), H2SiF6 (Hexafluorosilicic acid).
The three VOC’s (also the meaning of VOC)
the three Volatile Organic Compounds are Benzene, Toluene and Xylene
This compound causes acid rain
Sulfur Dioxide
This has been found to produce two thirds of the sulfur dioxide in the atmosphere causing acid rain
Burning (fossil) fuels
This is a colorless gas produced by combustion of fossil fuels at power plants and certain industrial sources.
Sulfur Dioxide
Effects of Air Pollution
Photochemical Smog and Greenhouse Effect
Primary pollutants of Photochemical Smog
NO (Nitric oxide), NO2 (Nitrogen Dioxide), VOC’s
Secondary Pollutants of Photochemical Smog
O3 and PANs (Peroxyacyl nitrate)
How much of the total ice free land area of the world do topsoil and subsoil acidity (with a pH less than 5.5 )affect?
30-75 percent
Hazardous Waste (TRIDWN)
Toxic chemicals
Residue from hospitals
Industrial wastes
Debris from toxic paints and solvents
Wastes coming from agricultural activities
Non-degradable
1990 act against hazardous waste
Toxic Substances and Hazardous and Nuclear Waste Control Act of 1990 RA 6969
Around __________ metric tons of hazardous waste are produced every year.
400 million