Environmental Health and Safety UPDATED
ACTUAL Exam Questions and CORRECT
Answers
Environmental Health - CORRECT ANSWER - is the study and management of
environmental conditions that affect our health and well-being.
Environmental Hazards - CORRECT ANSWER - are those factors or conditions that increase
the risk of human injury,disease, or death.
Air Pollution - CORRECT ANSWER - is the contamination of the air by substances-
gases,liquids,or solids in amounts great enough to harm humans other living organisms or the
ecosystem that alter climate.
United States major sources are - CORRECT ANSWER - transportation
electric power plants fueled by oil and coal
industry primarily mills and refineries.
Primary Pollutants - CORRECT ANSWER - include those emanating directly from
transportation power and industrial plants and refineries
Examples of Primary Polluntants - CORRECT ANSWER - carbon monoxide carbon dioxide
nitrogen oxides
Secondary Pollutants - CORRECT ANSWER - air pollutants formed when primary air
pollutants react with sunlight and other atmospheric components to form new harmful
compounds.
Secondary Pollutants examples - CORRECT ANSWER - nitrogen dioxide nitric acid nitrate
salts sulfur trioxide sulfate salts
, Photochemical smog - CORRECT ANSWER - haze or fog formed when air pollutants interact
with sunlight
Industrial Smog - CORRECT ANSWER - haze or fog formed primarily
Ozone (O3) - CORRECT ANSWER - an inorganic material considered to be a pollutant in the
atmosphere because it harms human tissue, but considered beneficial in the stratosphere because
it screens out UV radiation.
- most dangerous air pollutant.
Breathing Ozone can result in what? - CORRECT ANSWER - variety of health problems
even at low levels,including chest pain,coughing throat irritation,congestion.
Thermal Inversion - CORRECT ANSWER - a condition that occurs when warm air traps
cooler air at the surface of the Earth
Clean Air Act of 1963 - CORRECT ANSWER - the federal law that provides the government
with authority to address interstate air pollution.
National Ambient Air Quality Standards - CORRECT ANSWER - standards created by the
EPA for allowable concentration levels of outdoor pollutants.
Environmental Protection Agency - CORRECT ANSWER - the federal agency primarily
responsible for setting,maintaining, and enforcing environmental
standards.
- empowered to regulate air quality and is authorized to levy fines against those who violate the
standards.
Criteria Pollutants - CORRECT ANSWER - the most pervasive air pollutants and those of the
greatest concern in the United States.
ACTUAL Exam Questions and CORRECT
Answers
Environmental Health - CORRECT ANSWER - is the study and management of
environmental conditions that affect our health and well-being.
Environmental Hazards - CORRECT ANSWER - are those factors or conditions that increase
the risk of human injury,disease, or death.
Air Pollution - CORRECT ANSWER - is the contamination of the air by substances-
gases,liquids,or solids in amounts great enough to harm humans other living organisms or the
ecosystem that alter climate.
United States major sources are - CORRECT ANSWER - transportation
electric power plants fueled by oil and coal
industry primarily mills and refineries.
Primary Pollutants - CORRECT ANSWER - include those emanating directly from
transportation power and industrial plants and refineries
Examples of Primary Polluntants - CORRECT ANSWER - carbon monoxide carbon dioxide
nitrogen oxides
Secondary Pollutants - CORRECT ANSWER - air pollutants formed when primary air
pollutants react with sunlight and other atmospheric components to form new harmful
compounds.
Secondary Pollutants examples - CORRECT ANSWER - nitrogen dioxide nitric acid nitrate
salts sulfur trioxide sulfate salts
, Photochemical smog - CORRECT ANSWER - haze or fog formed when air pollutants interact
with sunlight
Industrial Smog - CORRECT ANSWER - haze or fog formed primarily
Ozone (O3) - CORRECT ANSWER - an inorganic material considered to be a pollutant in the
atmosphere because it harms human tissue, but considered beneficial in the stratosphere because
it screens out UV radiation.
- most dangerous air pollutant.
Breathing Ozone can result in what? - CORRECT ANSWER - variety of health problems
even at low levels,including chest pain,coughing throat irritation,congestion.
Thermal Inversion - CORRECT ANSWER - a condition that occurs when warm air traps
cooler air at the surface of the Earth
Clean Air Act of 1963 - CORRECT ANSWER - the federal law that provides the government
with authority to address interstate air pollution.
National Ambient Air Quality Standards - CORRECT ANSWER - standards created by the
EPA for allowable concentration levels of outdoor pollutants.
Environmental Protection Agency - CORRECT ANSWER - the federal agency primarily
responsible for setting,maintaining, and enforcing environmental
standards.
- empowered to regulate air quality and is authorized to levy fines against those who violate the
standards.
Criteria Pollutants - CORRECT ANSWER - the most pervasive air pollutants and those of the
greatest concern in the United States.
