Air (A05-A14) Flashcards
Enhanced Thresholds for Particulate Matter (1 point & 2 points)
A05
1: PM 2.5: 12
PM10: 30
2: PM 2.5: 10
PM10: 20
Enhanced Thresholds for Organic Gases - Acetaldehyde
A05
140 or lower
Enhanced Thresholds for Organic Gases - Acrylonitrite
A05
5 or lower
Enhanced Thresholds for Organic Gases - Benzene
A05
3 or lower
Enhanced Thresholds for Organic Gases - Caprolactam
A05
2.2 or lower
Enhanced Thresholds for Organic Gases - Formaldehyde
A05
9 or lower
Enhanced Thresholds for Organic Gases - Napthalene
A05
9 or lower
Enhanced Thresholds for Organic Gases - Toluene
A05
300 or lower
Enhanced Thresholds for Inorganic Gases
A05
Carbon Monoxide - 7
Nitrogen Dioxide - 40
Increase Outdoor Air Supply (ASHRAE 62.1)
A06
30% - 1
60% -2
Mechanically AND naturally ventilated projects CO2 levels
A06
900 ppm or 500 ppm above outdoor levels - 1 (2)
750ppm or 350 ppm above outdoor levels - 2 (3)
Carbon Dioxide is measured at return air diffusers or breathing zone ___ ft away from doors, windows, air supply diffusers or occupants.
A06
3.3 ft
Improve Ventilation Effectiveness basis of design
A06
ASHRAE RP-949
ASHRAE 62.1 -2019
REHVA Guidebook No.01
Personalized Ventilation Effectiveness
A06
50% of workstations -
Airspeed no greater than 50 fpm
Return air is 9.8ft above floor
Provide Operable Windows
A07
75% of spaces have operable windows
Operable window area is 4% of net floor area
Manage Window Use
A07
PM2.5, temp, and humidity monitored once an hour (located within 2.5 miles)
Indicator lights cue occupants of conditions:
PM2.5 15 or lower
Temp within 15 degrees of indoor air
Humidity is 65% or lower
Install Indoor Air Monitors (at least 3 monitored)
A08
PM2.5 or PM10 Carbon Dioxide (every 10 min) Carbon Monoxide Ozone Nitrogen Dioxide Total VOCs Formaldehyde
Monitored every hour
Air Quality Awareness
A08
Data presented by display screens (3.5-5.6ft) one per 3,500 sqft
Hosted on app or website
Displays concentration & quantitative results
Healthy Entryways (Option 1)
A09
Entryway system of grills, grates, slots, or roll out mats that are the width of the entrance and 10ft long
To slow down air there is an entry vestibule or revolving entry doors
Healthy Entryways (Option 2)
A09
Wet cleaned once a week
Vacuumed once a day
Envelope Commissioning
A09
Façade engineer that develops the envelope performance
Included on basis of design
Includes air filtration and leakage
Plan is included in operation and maintenance manual
Manage Combustion
A10
Combustion fireplaces, stoves, heaters, ranges, and oven are not used
Are electric
Supplied by district heating and cooling
Comply with California South Coast Air Quality Management
Vehicle idling is prohibited for more than 30 secs
All bathrooms, kitchens, cleaning rooms, printing rooms, or high humidity areas are -
A11
Separated from adjacent rooms with self closing doors and vestibules
Negatively pressurized
Utilize exhaust fans to vent outdoors
Pollution and exhaust in kitchen is managed by -
A11
Hoods with side and partition panels
Hood comply with ASHRAE 154-2011 on all open sides
Lower edge of the hood and cooking surface is 4ft
Air velocity is less than 75fpm
Replacement air is less than 10%
50% of replacement air is conditioned
Appliances have a rear seal
Exhaust airflow rates greater than 300 cfm have a full side panel
Implement particle filtration: Outdoor PM2.5 = 23 or less
A12
Minimum filtration level = 80%
Implement particle filtration: Outdoor PM2.5 = 24-39
A12
Minimum filtration level = 90%
Implement particle filtration: Outdoor PM2.5 = 40 or greater
A12
Minimum filtration level = 95%
To improve supply air -
A13
- 100% outdoor air
- Recirculated with carbon filter and media filter, or UVGI
UV system design should meet the requirements of -
A14
AC units have UV lamps on the surfaces of cooling coils and drain pans
or can be opened for inspection
