Keywotrds H Flashcards

1
Q

Particulate Matter

A

Matter made of solid particles and liquid droplets in the air.

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2
Q

Montreal Protocol

A

a global agreement to protect the ozone layer by eliminating ozone-depleting substances

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3
Q

Zooplankton

A

Small, free-floating aquatic microorganisms.

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4
Q

Allergens

A

Foreign substances that cause allergies.

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5
Q

Acute Toxicity

A

The adverse effects of a substance that result either from a single or multiple exposures in a short period of time.

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6
Q

Dead Zones

A

Areas of water bodies where aquatic life cannot survive because of low oxygen levels.

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7
Q

Coal Ash

A

Whatever waste is leftover after coal is combusted

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8
Q

Sediment Pollution

A

Where toxic chemicals can become absorbed into sediment particles and then transported to and deposited in other areas.

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9
Q

Primary Sewage Treatment

A

A procedure that removes material that will either float or readily settle out via gravity.

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10
Q

Non-Municipal Solid Waste

A

Waste that is not created by community activities or residential/commercial establishments.

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11
Q

Solid Waste Per Capita

A

The amount of municipal solid waste produced by the average American.

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12
Q

CERCLA

A

Provided a Federal “Superfund” to clean up uncontrolled hazardous waste sites as well as other emergency releases contaminants into the environment

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13
Q

stratospheric zone

A

second layer of the atmosphere

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14
Q

infrared radiation

A

heat; given off by warm objects

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15
Q

pathogens

A

a bacterium, virus or microorganism that can cause disease

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16
Q

re-emerging disease

A

a disease that comes back after a significant decline

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17
Q

ED50

A

jr

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18
Q

prospective studies

A

a study that monitor those who may come into contact with harmful chemicals in the future.

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19
Q

oligotrophic

A

a lake with a small amount of plant life

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20
Q

non-point source pollution

A

where diffused pollution enters bodies of water rather than specific points.

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21
Q

safe drinking water act

A

an act passed in 1974 to protect safe drinking water in the US

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22
Q

dematerialization

A

the reduction of materials used within the production of a product to reduce it’s environmental impact

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23
Q

acid deposition

A

any form of precipitation with acidic components that fall to the ground in wet or dry forms

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24
Q

positive feedback

A

accelerates a temperatures rise

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25
Q

infectious agents

A

organisms that are capable of producing infection or infectious disease

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26
Q

emerging disease

A

infectious disease that has newly appeared in a population

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27
Q

threshold level

A

the exposure level or dose of an agent above which toxicity or adverse health effects can occur

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28
Q

retrospective studies

A

a study that monitors people who have been exposed to an environmental hazard at some time in the past

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29
Q

eutrophication

A

a natural process that results from accumulation of nutrients in bodies of water

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30
Q

radioactive substances

A

atoms that decay naturally; produces several types of radiation

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31
Q

point source pollution

A

type of pollution that comes from a single identifiable source

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32
Q

Clean Water Act

A

the act governing pollution control and water quality of the nation’s waterways

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33
Q

Pollution Prevention Act

A

the act that requires industries to reduce pollution at its source

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34
Q

tropospheric ozone

A

ground level ozone not emitted directly into the air

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35
Q

indoor air pollution

A

refers to the air quality

36
Q

kyoto protocol

A

the objective of the unfccc to reduce the onset of global warming

37
Q

life expectancy

A

life expectancy at birth in the united states

38
Q

dose amount

A

diluent use for dosage. monovalent

39
Q

mcl

A

potential health effects from long-term exposure above the mcl

40
Q

do

A

solved oxygen

41
Q

ppm

A

pages per minute a measurement of printing speed

42
Q

tertiary sewage treatment

A

sewage treatment plants in cities that can afford them may include tertiary treatment with disinfection

43
Q

leachate

A

a solution resulting from leaching as of soluble costituents from soil

44
Q

phytoremediation

A

definition a process of decontaminating soil or water by using plants and trees to absorb or break down pollutants

45
Q

Carcinogen

A

compounds which are cancer inducing

46
Q

Global Distillation Effect

A

The reason why certain substances are transported into colder environments

47
Q

Coral Reefs

A

Structures and often ecosystems of the ocean which are made from limestone

48
Q

Endocrine Disruptors

A

Any substances which interfere with the endocrine system in the body

49
Q

Chronic Toxicity

A

Effects which occur after administration of a test sample repeatedly for a large amount of one’s life span

50
Q

Hypoxic zone

A

An area in water with very low oxygen levels

51
Q

BOD/Biochemical Oxygen Demand

A

The amount of oxygen microorganisms consume in order to decompose organic matter in water

52
Q

VOCs/Volatile Organic Compounds

A

Gases/chemicals released in the air from products with high vapor pressure and low water solubility

53
Q

Secondary Sewage Treatment

A

This removes a large amount of organic life in sewage using the bacteria in the sewage

54
Q

Sanitary Landfills

A

A modern way to decompose waste into biologically and chemically immobile materials in an isolated area

55
Q

Bioremediation

A

A process of using living organisms to remove contaminants from soil and water

56
Q

Industrial smog

A

where factories burn fossil fuels such as coal

57
Q

Radiative forcing

A

the change in energy in the atmosphere caused by natural factors in climate change

58
Q

Acute disease

A

come on rapidly, and are accompanied by distinct symptoms that require urgent or short-term care

59
Q

Persistence

A

the length of time a contaminant remains in the environment

60
Q

Algal bloom

A

is a rapid increase in the population of algae in freshwater or marine water systems

61
Q

Stockholm Convention

A

is a global treaty that aims to protect human health and the environment from the effects of persistent organic pollutants

62
Q

E coli

A

is a bacteria that normally is an important part of the healthy intestinal tracts of humans and animals.

63
Q

man made pollutants

A

a byproduct of human actions such as consumption, waste disposal, industrial production, trasnportation, and energy generation

64
Q

greenhouse effect

A

the way in which heat is trapped close to the earths surface

65
Q

chronic disease

A

conditions that last 1 year or more and requires ongoing medical attetnion or limit activities of daily living or both

66
Q

natural decomposers

A

organism that breaks down dead organic materials

67
Q

LD50

A

the amount of material given all at once, which causes death of 50% of a group of test animals

68
Q

synergistic interactions

A

interaction of elements that when combined produce a total effect greater than the sum of the individual elements

69
Q

artifical eutrophication

A

when humans artifically cause and overabundance of nutrients in an ecosystem

70
Q

NPDES

A

national pollutant discharge elimination system - adresses water pollution by regulating point sources that discharge pollutants to waters of the US

71
Q

bottle bills

A

another name for “conatiner diposite law” - requires a minimum refundable deposit on beer, soft drink, and other beverage containers in order to ensure a high rate of recycling and reuse

72
Q

Ganga Action Plan

A

A plan to protect the river from the hazards of pollution

73
Q

Resource Conservation and Recovery Act

A

Gives EPA the authority to control hazardous waste from cradle to grave.

74
Q

Integrated waste management

A

A system for reducing, collecting, recycling and disposing of waste products generated

75
Q

primary air pollutant

A

pollutants formed/emitted from particular sources

76
Q

scrubbers

A

a device used to remove carbon dioxide from waste streams

77
Q

IPCC

A

Intergovernmental Panel on Climate Change - a group dedicated to advancing knowledge on climate change

78
Q

neurotoxins

A

a poison that affects the nervous system

79
Q

bioaccumulation

A

the build up of chemicals/pesticides in an organism

80
Q

red tide

A

a discoloration of water caused by red dinoflagellates

81
Q

DDT

A

a persistently lingering pesticide that is now banned in most countries

82
Q

fecal coliform test

A

a test for specific coliform bacteria in water

83
Q

fluoridation

A

adding fluoride to water until the amount reaches about 0.7 milligrams of fluoride per liter of water

84
Q

e-waste

A

discarded electronic appliances that could be refurbished or recycled

85
Q

dioxin

A

a highly toxic and lingering chemical that is a byproduct of burning or herbicide production