UNIT X: LAND POLLUTION Flashcards
addition of undesirable matter to land
Land Pollution
T or F: Land pollution damages the terrestrial organisms
T
there is a delicate balance between nature and certain organisms like nitrogen fixing bacteria
Land pollution reduces the uses of the land for a__________, r__________, r_________, or other purposes
agricultural; residential; recreational
Land pollution increase the risk of _______ hazards to man.
health
food insecurity, malnutrition, RTIs, etc
Soil composition (4)
Minerals
Air
Water
Organic matter from plant & animal residue
MAWO
Soil function (4)
Bearing function
Production or plant growth function
Decomposition or ecological function
Filter function
Bear PDF
Sources of LP (6)
Accidental chemical spills
Improper disposal of chemicals and industrial waste
Agriculture
Mining and quarrying
Sewage sludge
Household solid waste
sadya-hindi sadya-2industry-2household-others
Soil contaminants are spilled onto the surface through many di fferent activities.
Accidental Chemical Spills
Involves factory, human, and chemical waste, improper disposal, and the use of portions of lands as dump sites
Improper Disposal of Chemicals and Industrial Waste
T or F: Microplastics can now be found in our body systems.
T
T or F: Sando bags and pet bottles are short-living plastics
F
long
T or F: Smokey mountains are not a good practice because wastes are only covered by soil and are dumped with waste again.
T
Explosions in dump sites happen due to trapped ________ after decomposing.
Methane
T or F: If we also mismanage our agriculture, it can change the soil composition so much that it becomes unhealthy and will not be viable for crop.
T
Type of agriculture we use in the Ph
Brute Force Agriculture
T or F: We don’t have the same balance from the old
times where they depended on the seasons
T
Brute Force Agriculture
In line with Brute Force Agriculture, plans are treated with
Nitrogen and Fertilizers (ammonia)
Weeds in corn, rice, etc., can be _______-fixing
nitrogen
In its roots, there is a
bacteria that can fix nitrogen from the atmosphere, which is a natural way of putting back nitrogen into the soil.
Monggo
May not kill us but can change the compositions
in our body
Pesticides and herbicides
When it rains over the mountains particularly at mining areas a ffected with chemicals, it will wash over these chemicals and bring it to our sources of freshwater.
Runoff
2 Types of Mining
Small scale mining
Large scale / industrial mining
Less regulated type of mining
Small scale mining
Heavy metal involved in mining gold
Mercury
Mercury can destroy the ________ __________ of kidneys.
nephron tubules
Untreated sewage can contaminate land and bodies of water
Sewage Sludge
The septic tank shall be located not less than _________ from any well, spring, cistern, or other sources of drinking water supply
25 meters
Individual sewage disposal system utilizing leaching fields, leaching beds, or leaching wells shall not be permitted where the depth to normal ground water or rock strata is less than ____________.
1.20 meters
Open dumping of Solid waste
Household Solid Waste
FATE AND TRANSPORT OF POLLUTANTS IN SOIL: Pollutants might be washed away by ___________, causing little or no harm to the ground; however, pollutants will simply accumulate somewhere else.
Precipitation
FATE AND TRANSPORT OF POLLUTANTS IN SOIL: The pollutant, if ________, could evaporate, again causing little harm to the soil ( however, it might become a source of air pollution).
volatile
FATE AND TRANSPORT OF POLLUTANTS IN SOIL: Pollutants could infiltrate through the __________ soil, in much the same way as groundwater.
Unsaturated
FATE AND TRANSPORT OF POLLUTANTS IN SOIL: In case of __________ pollution, it may accumulate in the soil.
Continuous
Increase in concentration of a pollutant from the environment to the first organism in a food chain
Bioaccumulation
Increase in concentration of a pollutant from one link in a food chain to another
Biomagnification
Biggest polluters of plastic
Philippines and Japan
T or F: If the pollutant is found in the soil (pesticides, volatile substances) it will reach the atmosphere.
T
solid waste is correlated to air
3 General Categories of Solid Waste
Municipal Waste
Industrial Waste
Hazardous Waste
One of the major contributors to land pollution
Solid Waste
Waste arising from domestic, commercial, institutional activities in urban areas; a mix of biodegradable and non biodegradable waste
Municipal Waste
Waste arising from industrial activity and typically include rubbish, ashes, and hazardous waste
Industrial Waste
Waste that poses substantial danger immediately or over a period of time to human, plant or animal life. It exhibit the following:
○ Toxicity
○ Ignitability (sumasabog)
○ Corrosivity (sa skin)
○ Reactivity (ex. lithium ion batts)
Hazardous Waste
Solution to land pollution
Solid Waste Management
We need an ___________ __________ to promote waste
management can also be implemented
Encouraging environment (use models)
Public Health Implications of Improper SW Management
Aesthetic problems (eyesores, odor)
Clogging of sewers, drains & river
Breeding place of insects & rodents
Surface & groundwater pollution
Contributes to air pollution
Functional Elements of SWM
Waste Generation
Storage
Collection
Transfer and Transport —- Processing and Recovery
Disposal
The landfill system should have a _______ _________ because they waste should not be in layers as they decompose.
space container
The landfill system should have a _____ __________ ________ because waste generates gas as it decomposes.
gas collection system
It is the liquid portion that comes off the waste.
Leachate
The gas collection could be used for __________ generation.
electricity
The landfill system should have a __________ ______ because waste should not be exposed.
protective cap
The landfill system should have a __________ ______ that should not be crossed by leachate (before reaching the water table).
protective line
