Air Quality Flashcards
IAQ is _____ _____ _____.
Indoor Air Quality
IAQ includes the status of indoor air as measured by temperature, humidity, fresh airflow, pollutants, and _____.
chemicals
ASHRAE Standard 62 covers _____.
Equipment Requirements
System Requirements
Minimum Ventilation Rates
Standard 62.1 ties ventilation rates to the number of building _____ in a given space.
occupants
A substance that is in some way a detriment to comfort, health, and a desirable environment is called a(n) _____.
pollutant
Small particles that become temporarily airborne from wind, a sudden earth disturbance, or mechanical work on a solid are referred to as _____.
dust
Small particulates suspended in the air formed by the condensation and solidification of gaseous materials is referred to as _____.
fumes
The term for solid particles (0.1-13 microns) carried into the atmosphere by gaseous products of incomplete combustion is _____.
smoke
The term for simple, single-cell microorganisms that are responsible for many diseases is _____.
bacteria
The term for a minute fungi whose spores may be able to cause illness is _____.
mold
The term for small particles released by plants as part of their reproductive cycle is _____.
pollen
The naturally occurring mineral that is now a known carcinogen but was formerly used widely in construction and as insulation is _____.
asbestos
An odorless, colorless gas that replaces oxygen in red blood cells and is produced by incomplete combustion of fuel describes _____.
carbon monoxide
A common gaseous pollutant produced by burning coal, gas, or oil that may contain carcinogens describes _____.
Sulfur Dioxide
An odorless, tasteless, radioactive, inert gas in soil and rocks that can accumulate in homes through cracks describes _____.
Radon (Rn)
A nontoxic gas that tends to build up in spaces with poor ventilation and can cause fatigue, headaches, and discomfort in higher concentrations describes ______.
Carbon Dioxide
An ozone concentration of _____ parts per million (ppm) is generally considered the maximum level permissible for an eight-hour exposure.
0.1
MERV is the Minimum Efficiency ____.
Rating
In order to maintain adequate ventilation and filtration, a building’s HVAC system must be designed in accordance with ASHRAE standards _____.
62.1 and 129
When bioaerosols and airborne particulates are the source of IAQ problems, the best solution may be to install _____.
High efficiency (MERV-13 or higher) filters Germicidal light on the evap coil
When volatile organic compounds (VOCs) are the source of IAQ problems, the best solution may be to install _____.
Heat Recovery Ventilator (HRV)
Energy Recovery Ventilator (ERV)
An air purification system
When moisture and increased fungal growth are the source of IAQ problems, the best solution may be to install _____.
Humidifier and Dehumidifiers
When stale air and too much carbon dioxide are the source of IAQ problems, the best solution may be to _____.
HRV
ERV
Replace filters regularly
When to much carbon monoxide is the source of IAQ problems, the best solution may be to _____.
Repair furnace or gas appliance
Do not operate vehicles or gas powered equipment in an attached garage
Install a CO detector
