Air REVIEW Flashcards
Formaldehyde level
> 27ppb
Total VOC
> 500 ug/m3
CO level
> 9ppm
PM2.5 level
> 15 ug/m3
PM10 level
> 50 ug/m3
Ozone Level
> 51ppb
Radon Level
> 4 pCi/L
Where is Radon measured?
Lowest occupied level of the project
What are included in indoor smoking ban?
smoking and use of e-cigarettes
What should be present for outdoor smoking ban?
Signage
Distance of smoking ban
7.5 m (25 ft) of all entrances, operable windows and building air intakes
Other requirement for the outdoor smoking ban
- No smoking on all decks, patios, balcomies, rooftops and other regularly occupied exterior building spaces
- Place hazards of smoking on areas beyond 7.5 m of the building etrances where smoking is permitted . Signs to be placed along all walkways with distance of not more than 30 m(100 ft between signs.
Intent: Ensure a basic level of high indoor air quality
01-Air quality standards
Intent: Deter smoking, minimize occupant exposure to second hand smoke and reduce smoke pollution
02-Smoking ban
Intent: Ensure adequate ventilation and indoor air quality
03-VENTILATION EFFECTIVENESS
The Ventilation design can be earned by complying with what standard?
ASHRAE 62.1-2013 (Ventilation Rate Procedure or IAQ Procedure)
To demonstrate the ambient air quality for part 1b of ventilation design, what distance qualify the requirement?
1.6 km (1 mi) based on USEPA NAAQs or passed the WELL Building std for at least 95% of all hours in the previous year
For PART 2: DEMAND CONTROLLED VENTILATION what is the applicable space area and occupant density?
-spaces 46.5 m² [500 ft²] or larger
-expected occupant density greater than 25 people per
93 m² [1,000 ft²],
For demand controlled ventilation what is the level of CO2 to be maintained?
less than 800 ppm
Feature 03- Ventilation Effectiveness includes the following parts:
Ventilation design
Demand Controlled Ventilation
System Balancing
Feature 02-Smoking Ban includes:
Indoor and outdoor smoking ban
Under Feature 01, air should be tested for what?
Volatile substances (Formaldehyde/ Total VOC) Particulate matter and inorganic gasses(CO, PM2.5, PM10, O3) Radon
Intent: Minimize the effect of VOCs in building materials on indoor air quality
Feature 04- VOC Reduction
Feature 04 Parts include:
Interior Paints and coatings Interior adhesives and sealants Flooring Insulation Furniture and furnishings
VOC limits for newly applied paints and coatings should meet what requirements?
100% CARB 2007, SCM or SCAQMD 1113 (June 3, 2011) OR
Min 90% by Volume meeting CDPH v1.1-2010
OR
based on national VOC content regulation or conduct testing with ASTM D2369ISO 11890, part 1; ASTM D6886-03; or ISO 11890-2.
VOC limits for newly applied adhesives and sealants should meet what requirements?
100% SCAQMD 1168 (Jul 1 2005) OR Min 90% CDPH v1.1-2010 OR based on national VOC content regulation or conduct testing with ASTM D2369ISO 11890, part 1; ASTM D6886-03; or ISO 11890-2.
VOC limits for flooring and insulation should meet what requirements?
California Department of Public Health (CDPH) Standard Method v1.1-2010.
VOC limits for FURNITURE AND FURNISHINGS should meet what requirements?
ANSI/BIFMA e3-2011 Furniture Sustainability Standard sections 7.6.1 and 7.6.2, tested in
accordance with ANSI/BIFMA Standard Method M7.1-2011.
Intent: Remove indoor and outdoor airborne contaminants through air filtration
Feature 05-AIR FILTRATION
Feature 05-AIR FILTRATION includes
FILTER ACCOMMODATION
PARTICLE FILTRATION
AIR FILTRATION MAINTENANCE
What are included in the main air ducts for recirculated air?
a. Rack space and fan capacity for carbon filters
b. correct size of the mechanical systems
What is the required media filters?
MERV13 or higher
If media filters are not considered what should the team demonstrate?
Project demonstrates that for 95% of all hours in a calendar year, ambient outdoor PM₁₀ and PM₂.₅
levels measured within 1.6 km [1 mi] of the building are below the limits set in the WELL Air Quality
Standards feature.
Intent: To reduce mold and bacteria growth within buildings,
particularly from water damage or condensation on cooling coils.
Feature 06-MICROBE AND MOLD CONTROL
What are included in Feature 6?
COOLING COIL MOLD REDUCTION
MOLD INSPECTIONS
What should be employed on the cooling coils and drain pans of mechanical systems?
UV Lamps with wavelength of 254 nm
What should be done for irradiance reaching the cooling coil and drain pan including plenum corners
It should be modeled.
To achieve the cooling coil reduction, the team can choose to make a building policy. What is the inspection interval for cooling coils for mold growth and the required documentation?
Quarterly basis with dated photos demonstrating adherence are provided to the IWBI on an
annual basis.
During mold inspection what should not be present?
a. Signs of discoloration and mold on ceilings, walls or floors.
b. Signs of water damage or pooling.
Intent: To minimize the introduction of construction-related pollutants
into indoor air and protect building products from degradation.
Feature 07-CONSTRUCTION POLLUTION MANAGEMENT
What are included in Feature 7-CONSTRUCTION POLLUTION MANAGEMENT?
PART 1: DUCT PROTECTION
PART 2: FILTER REPLACEMENT
PART 3: MOISTURE ABSORPTION MANAGEMENT
PART 4: DUST CONTAINMENT AND REMOVAL
What are the strategies which can be implemented for ducts in order to prevent pollutants from entering the ventilation system?
a. Sealed and protected from possible contamination during construction.
b. Vacuumed out prior to installing registers, grills and diffusers.
What should be done to all filters prior to occupancy?
Replaced
What is the requirement for moisture absorption management during construction?
Designate a separate are for storing and protecting absorptive materials (carpets, acoustical ceiling panels, fabric wall coverings, insulation, upholstery and furnishings)
What should be done to prevent and remove dust during construction?
a. Separate active areas
b. Install walk off mats
c. Use dust guards for saw and other tools
Intent: To minimize the introduction of pollutants into indoor air at
building entrances.
Feature 08-HEALTHY ENTRANCE
What are the requirements for Feature 07- Healthy Entrance?
PART 1: PERMANENT ENTRYWAY WALK-OFF SYSTEMS
PART 2: ENTRYWAY AIR SEAL
The permanent entry way system should be maintained on:
weekly basis
What is mandatory for all entryway systems?
- All entryway systems are 3 m (10 ft) long in the primary direction of travel and at least the width of the entrance
What are the options for the team can pursue in implementing entryway system?
- Permanent entryway system (grilles, grates or slots) which are easy for cleaning
- Roll out mats
- Material manufactured as an entryway walk-off system
What are the options for the team to achieve the entryway air seal?
a. Building entry vestibule with two normally-closed doorways
b. Revolving entrance doors
c. At least 3 normally-shut doors that separate occupied space from the outdoors.
Intent: To reduce occupant exposure to pathogens, allergens, and
harmful cleaning chemicals.
Feature 09-CLEANING PROTOCOL
What are included in a cleaning plan?
- List of high and low touch surfaces
- Extent and frequency of surface cleaning
- Cleaning protocol and cleaning logs available to all occupants
- List of product seals
- Cleaning equipment and training
Intent: To reduce the presence of pests in buildings and minimizing
occupant exposure to harmful chemicals.
Feature 10-Pesticide Management
It is one of the most widely used
pesticides, is a suspected endocrine disruptor and is associated with
cardiovascular problems ______.
Atrazine
What are the provisions in using pesticides and herbicides on outdoor plants?
- Create a use plan based on Chapter 3 of the San
Francisco Environment Code Integrated Pest Management (IPM) program. - Pesticides with hazard tier ranking of 3 (least hazardous) as per The City of San Francisco
Department of the Environment’s (SFE) Hazard Tier Review Process are used
Intent: To reduce or eliminate occupant exposure to lead, asbestos,
and PCBs from building materials
Feature 11- FUNDAMENTAL MATERIAL SAFETY
What are included in Feature 11- Fundamental Material Safety?
PART 1: ASBESTOS AND LEAD RESTRICTION PART 2: LEAD ABATEMENT PART 3: ASBESTOS ABATEMENT PART 4: POLYCHLORINATED BIPHENYL ABATEMENT PART 5: MERCURY LIMITATION
For newly installed building materials, how much asbestos and lead allowed?
Asbestos=0
Lead - not more than 100 ppm by weight
What are the guidelines for lead abatement and evaluation on buildings for repair, renovation or painting constructed prior to any applicable laws banning or restricting lead paint?
- Onsite investigation by risk assessor or
inspector technician to determine the presence of any lead-based hazards in paint, dust and soil - Lead contaminated area to adhere on US EPA 40 CFR Part 745.227
- Adhere to final rules
Asbestos abatement must adhere to what standard?
AHERA-Asbestos Hazard Emergency Response Act
National Standards for Hazardous Air Pollutants (NESHAP)
Asbestos-Containing Materials in Schools (40CFR part 763)
What is the frequency of asbestos inspection by an accredited professional?
Every 3 years
What standard should be followed for PCB evaluation and abatement and removal and safe disposal?
US EPA steps to Safe PCB Abatement
What are the guidelines for mercury use?
- No mercury on thermometers, switches, and electrical relays
- Plan to upgrade current mercury lamps to low mercury or free lamp technology
- Used LED or LEC for illuminated exit signs
- Do not use mercury vapor or probe start metal halide high intensity discharge lamps
Intent: To limit the potential for bacteria and mold growth within
buildings from water infiltration and condensation.
Feature 12-Moisture Management
What is required for Feature 12-Moisture Management?
A point by point narrative
Intent: To remediate construction-related indoor air contamination
Feature 13-Air Flush
What is the indoor condition while performing an air flush?
T >/= 15C
RH below 60%
What is required for air flush out prior to occupancy as one time process?
Total air volume of 4500 m3 outdoor air per floor area
What is required for air flush out if the building will be occupied at once?
Total Air Volume = 1066 m3 per m2 prior occupancy + 3200 m3 outdoor air/m2 floor area post occupancy + >/= 0.1 m3 /min outdoor air / m2 floor area
Intent: To minimize air quality and thermal comfort issues resulting
from the infiltration of untreated air through the building envelope
Feature 14- Air Infiltration Management
What is required for Feature 14- Air Infiltration Management?
Air leakage testing
When is air leakage testing to be performed?
After substantial completion and prior to occupancy
What standard should be followed to perform air leakage testing?
Envelope Cx per ASHRAE Guideline 0-2005 and National Institute of Building Sciences (NIBS) Guideline 3-2012
Intent: To expel internally-generated pollutants through an increased
supply of outdoor air.
Feature 15-Increased Ventilation
What additional rate of outdoor air supply to achieve the requirement of Feature 15-Increased Ventilation?
30%
What the effect of 35% increase in RH ?
increase the emissions of
formaldehyde by a factor of 1.8–2.6.
Intent: To limit the growth of pathogens, reduce off-gassing, and
maintain thermal comfort by providing the appropriate level of
humidity
Feature 16-Humidity Control
What is the acceptable RH levels to be maintained in the building?
30%-50% RH
Intent: To preserve air quality in occupied spaces through the isolation
and proper ventilation of indoor pollution sources and chemical
storage areas.
Feature 17-DIRECT SOURCE VENTILATION
What type of copier and printers are excluded from the requirement of Feature 17-DIRECT SOURCE VENTILATION?
low-emission criteria of Ecologo CCD 035, Blue Angel RAL-UZ 171, or Green Star
Intent: To monitor and effectively remediate indoor air quality issues
and inform building managers and occupants of the quality of the
indoor environment
Feature 18- AIR QUALITY MONITORING AND FEEDBACK
The indoor air monitoring should include at least two pollutants which include?
Particle count
Carbon dioxide
Ozone
What are being considered in the written policy for air data record keeping and response?
- Detailed enforcement strategies for monitoring and record-keeping of parameters listed in the Air
Quality Standards feature. - minimum of 3 years retention period of records
3.Detailed plan and action for unacceptable condition
What are the indoor environmental parameters which required to be displayed ?
Temperature
Humidity
Carbon dioxide
What is the required area where the indoor environmental parameter should be displayed?
per 930m2 (10000 ft2) of regularly occupied space
What is the required are of the display screen?
15 cm x 13 cm minimum
Intent: To increase the supply of high quality outdoor air and promote
a connection to the outdoor environment by encouraging occupants to
open windows when outdoor air quality is acceptable.
Feature 19-Operable Windows
Where must a data gathering station for outdoor air be located ?
within 1.6 km (1 mi) of the building
It remove the constraints
associated with linking heating and cooling with ventilation, so that
optimal air quality and thermal comfort can be independently
achieved.
DOAS-Dedicated outdoor air system
Intent: To improve air quality in the breathing zone of the room and
maintain thermal comfort by supplying low velocity outdoor air near
the floor and expelling near the ceiling.
Feature 21-Displacement Ventilation
What should be conducted for the displacement ventilation system?
CFD-Computational Fluid Dynamics
What percentage of the regularly occupied space for displacement ventilation system must meet ASHRAE 55-2013?
at least 75%
Intent: To reduce the presence of pests in buildings and minimize
occupant exposure to pest-related allergens
Feature 22-Pest Control
What are the criteria for selecting indoor garbage cans?
<113 L(30 gal)-have lids, hands free or enclodsed. handle is separate from trash can
>113L(30 gal)- have lid
Intent: To improve recirculated indoor air quality through the
implementation of advanced air purification strategies
Feature 23-ADVANCED AIR PURIFICATION
Methods to reduce VOCs in the indoor air for advance air purification:
- activated carbon filters in the main air ducts
- standalone air purifier with a carbon filter
To sanitize the recirculated air what are the acceptable technologies which can be used?
UV germicidal irradiation (UVGI)
Photocatalytic oxidation
Intent: To reduce occupant exposure to combustion-related air
pollution from heating and transportation sources
Feature 24- Combustion Minimization
What are forbidden in regularly occupied space?
Combustion-based fireplaces, stoves, space heaters, ranges and ovens
What is prohibited for vehicle engines?
Idling for more than 30 seconds
Intent: To minimize the impact of hazardous building material
chemicals on indoor air quality and protect the health of manufacturing
and maintenance workers.
Feature 25-TOXIC MATERIAL REDUCTION
A flame retardant chemicals, which are used to increase fire-resistance of materials, can cause potential neurobehavioral, carcinogenic and immune effect?
Polybrominated diphenyl ethers (PBDEs)
On what condition that perfluorinated compounds (PFCs) should not be present?
At levels equal to or greater than 100 ppm in components that constitute at least 5% by weight of a
furniture or furnishing (drapes/curtains) assembly.
What are the components where Halogenated flame retardants are limited to 0.01% (100 ppm) to the extent
allowable by local code?
a. Window and waterproofing membranes, door and window frames and siding.
b. Flooring, ceiling tiles and wall coverings.
c. Piping and electrical cables, conduits and junction boxes.
d. Sound and thermal insulation.
e. Upholstered furniture and furnishings, textiles and fabrics.
Isocyanate-based polyurethane products should not be used in:
Interior finishes
What is the acceptable limit for urea formaldehyde on components of furniture or any wood products, laminating adhesives and resins and thermal insulation?
100 ppm
Intent: To minimize the impact of hazardous building material
ingredients on indoor air quality and protect the health of
manufacturing and maintenance workers.
Feature 26- Enhanced Material Safety
The selection of material under Feature 26-Enhanced Material Safety should adhere to:
At least 25% of products by cost are:
-Cradle to Cradle™ Material Health Certified with a V2 Gold or Platinum or V3
Bronze, Silver, Gold or Platinum Material Health Score OR
-GreenScreen® Benchmark 1, List Translator 1 or List Translator Possible 1
substances over 1,000 ppm, as verified by a qualified Ph.D. toxicologist or Certified Industrial
Hygienist OR
-combination of above OR
-completes all imperatives of Materials Petals
What is the output requirement for UV cleaning device for high touch surfaces?
at least 4mW/cm2
What is the microfiber Denier number for mops, rags, and dusters?
no higher than 1.0
What is the characteristics of vacuum cleaners?
contain filters with HEPA rating
