Podcast
Questions and Answers
Which of the following is generally true regarding the amount of time people spend indoors and outdoors? (Select all that apply)
Which of the following is generally true regarding the amount of time people spend indoors and outdoors? (Select all that apply)
- People spend as much as 90% of their time indoors (correct)
- People spend as much as 60% of their time indoors
- People spend as much as 60% of their time outdoors
Of the following, which groups of individuals are most likely to suffer from poor indoor air quality related illnesses? (Select all that apply)
Of the following, which groups of individuals are most likely to suffer from poor indoor air quality related illnesses? (Select all that apply)
- The elderly and construction workers
- Construction workers and infants
- Chronically ill people and the elderly (correct)
- Athletes and infants
All of the following are methods used to control indoor contamination except?
All of the following are methods used to control indoor contamination except?
- Providing adequate ventilation
- Cleaning the air
- Sealing all leaks in the building envelope (correct)
- Removing the source of contamination
The ASHRAE standard that is used to determine acceptable indoor air quality is?
The ASHRAE standard that is used to determine acceptable indoor air quality is?
The most common source of radon is?
The most common source of radon is?
How many compounds are found in tobacco smoke?
How many compounds are found in tobacco smoke?
Dust mites and mold fall under which classification?
Dust mites and mold fall under which classification?
The effects of tight building construction can be offset by?
The effects of tight building construction can be offset by?
Sick Building Syndrome is a blanket term used to describe?
Sick Building Syndrome is a blanket term used to describe?
For which level of mold contamination must individuals performing the remediation be trained in the handling of hazardous materials?
For which level of mold contamination must individuals performing the remediation be trained in the handling of hazardous materials?
For which level of mold contamination are trained maintenance staff members permitted to perform mold cleanups?
For which level of mold contamination are trained maintenance staff members permitted to perform mold cleanups?
Which of the following is true regarding mold?
Which of the following is true regarding mold?
Carbon monoxide is commonly formed when?
Carbon monoxide is commonly formed when?
Death from carbon monoxide can result if continued exposure exceeds?
Death from carbon monoxide can result if continued exposure exceeds?
Asbestos is known to cause which of the following health problems?
Asbestos is known to cause which of the following health problems?
Generally speaking, ventilation has a?
Generally speaking, ventilation has a?
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Study Notes
Indoor Time and Health Risks
- Individuals typically spend up to 90% of their time indoors, impacting health and well-being.
- Chronically ill individuals and the elderly are more likely to suffer from illnesses related to poor indoor air quality.
Indoor Contamination Control
- Methods to control indoor contamination include removing sources, providing ventilation, and air cleaning; sealing leaks is not effective.
ASHRAE Standards
- ASHRAE Standard 62.1 is the benchmark used to assess acceptable indoor air quality.
Radon and Tobacco Smoke
- The primary source of radon is uranium, contributing to health risks.
- Tobacco smoke contains over 1000 compounds, posing significant health concerns.
Biological Contaminants
- Dust mites and mold are classified as biological contaminants, requiring appropriate management.
Building Construction and Ventilation
- Tight building construction necessitates mechanical ventilation to maintain air quality.
Sick Building Syndrome
- Sick Building Syndrome refers to health issues stemming from poor indoor air quality.
Mold Contamination Levels
- Level III and IV mold contamination requires personnel trained in hazardous materials handling.
- Level I and II contaminated areas can be cleaned by trained maintenance staff.
Mold Health Effects
- Both living and dead molds can adversely affect human health.
Carbon Monoxide Risks
- Carbon monoxide typically forms during incomplete combustion, posing severe health risks with continued exposure above 800 parts per million.
Asbestos Health Issues
- Asbestos exposure is associated with lung cancer, highlighting the need for regulation and safety.
Ventilation Efficiency
- Ventilation generally reduces the efficiency of both heating and cooling systems.
Heat Recovery Ventilation
- A heat recovery ventilator transfers latent heat from exhaust to intake air during cooling, enhancing system efficiency.
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