Soil Pollution and Remediation

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EPSM 15 Lec 22

16 Terms

1

Soil Pollution

The introduction of substances or organisms into the soil, resulting in a change of the soil quality, likely affecting its normal use and endangering public health and the living environment.

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2

Point Source Pollution

Pollution originating from a single identifiable source, such as a pipe or drain.

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3

Non-Point Source Pollution

Diffused pollution that refers to inputs occurring over a wide area from multiple sources.

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4

Bioremediation

A sustainable remediation method that uses naturally occurring organisms to break down hazardous substances into less toxic or non-toxic substances.

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5

Phytoremediation

An environmentally friendly technology involving the use of green plants to remove, contain, or render harmless contaminants in soil or water.

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6

Eutrophication

The excessive richness of nutrients in a water body, frequently due to runoff from land, causing a dense growth of plant life and death of animal life from lack of oxygen.

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7

Inorganic Contaminants

Contaminants that include metal(loid)s (like lead and arsenic), fertilizers, and radionuclides.

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8

Organic Contaminants

Contaminants that include petroleum hydrocarbons, pesticides, and industrial organics.

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9

Emerging Contaminants

Chemicals discovered in water at levels significantly different than expected, including pharmaceuticals and personal care products.

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10

Containment

A remediation strategy involving methods to prevent the spread of contaminants in soil.

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11

Dig and Dump

A remediation method involving the excavation of contaminated soil and transporting it to a landfill.

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12

Arsenic

A toxic element responsible for the largest mass poisoning in human history, particularly affecting populations in Bangladesh.

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13

Sustainable Remediation

An approach that minimizes the environmental impact while effectively addressing contamination, often through immobilization of contaminants.

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14

Remediation

The process of cleaning up contaminated sites to restore them to a safe condition.

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15

Public Health Risks

Potential negative health impacts on the population due to exposure to pollutants, particularly in urban environments.

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16

Heavy Metals

Toxic metals, such as arsenic, lead, and cadmium, which can contaminate soil and pose serious health risks.

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