GSSG - Air

Question 1

___ is the number one environmental cause of premature

mortality, contributing to ___ premature deaths annually ___, or ______ premature deaths worldwide.

Answer 1

Air pollution
7 million
one in eight

Question 2

Humans breathe more than ___ of air every day

Answer 2

15,000 liters

Question 3

Poor ventilation practices can expose humans to ___, ___, and ____.

Answer 3

VOCs
PAHs
Microbial Pathogens

Question 4

WELL Addresses the 6 major pollutants:

Answer 4

Carbon monoxide
Lead
Nitrogen dioxide
Ozone
Particulate Matter (PM₁₀ and PM₂.₅)
Sulphur dioxide

Question 5

STANDARDS FOR VOLATILE SUBSTANCES

The following are met:

Answer 5

Formaldehyde levels less than 27 ppb

Total volatile organic compounds less than 500 μg/m³.

Question 6

STANDARDS FOR PARTICULATE MATTER AND
INORGANIC GASES
The following conditions are met:

Answer 6

Carbon monoxide less than 9 ppm
PM₂.₅ less than 15 μg/m³
PM₁₀ less than 50 μg/m³
Ozone less than 51 ppb

Question 7

RADON

The following conditions are met in projects with regularly occupied spaces at or below grade:

Answer 7

Radon less than 4 pCi/L in the lowest occupied level of the project

Question 8

What requirement does feature 1 have after occupancy? Who performs this?

Answer 8

On-site performance test by WELL Performance Testing Agent

Question 9

INDOOR SMOKING BAN

Building policy or local code reflects the following:

Answer 9

Smoking and the use of e-cigarettes is prohibited inside the project

Question 10

OUTDOOR SMOKING BAN

Signage is present to indicate:

Answer 10

-A smoking ban within 25 ft of all entrances, operable windows and building air intakes.
-A smoking ban on all decks, patios, balconies, rooftops and other regularly occupied exterior building spaces.
-The hazards of smoking, in all areas beyond 25 ft of the building entrances (if smoking is
permitted in this areas). Signs are placed along all walkways with a distance of not more than 100 ft between signs.

Question 11

The average life expectancy of a smoker is ___ less than that of a nonsmoker.

Answer 11

10 years

Question 12

VENTILATION DESIGN

One of the following requirements is met for all spaces:

Answer 12

• Ventilation rates comply with all requirements set in ASHRAE 62.1
• Projects comply with all requirements set in any procedure in ASHRAE 62.1-2013 and demonstrate that ambient air quality within 1 mi of the building is compliant with either the U.S. EPA’s NAAQS or passes the Air Quality Standards feature in the WELL Building Standard for at least 95% of all hours in the previous year.

Question 13

DEMAND CONTROLLED VENTILATION
For all spaces 500 ft² or larger with an actual or expected occupant density greater than 25 people per 1,000 ft², one of the following requirements is met:

Answer 13

• A demand controlled ventilation system regulates the ventilation rate of outdoor air to keep carbon dioxide levels in the space below 800 ppm (measured at 4-6 ft A.F.F.).
• Projects that have met the Operable windows feature demonstrate that natural ventilation is sufficient to keep carbon dioxide levels below 800 ppm at maximum intended occupancies (measured at 4-6 ft A.F.F.).

Question 14

SYSTEM BALANCING

After the HVAC system is installed, the following requirement is met:

Answer 14

After substantial completion and prior to occupancy, the HVAC system has (within the last 5 years), or is scheduled to, undergo testing and balancing.

Question 15

What documentation is required for the Ventilation Effectiveness Feature?

Answer 15

Letter of Assurance from the MEP Engineer

Commissioning Report

Question 16

INTERIOR PAINTS AND COATINGS

The VOC limits of newly applied interior paints and coatings meet one of the following requirements:

Answer 16

• 100% of installed products meet California Air Resources Board (CARB), or South Coast Air Quality Management District (SCAQMD) Standards
• At minimum 90%, by volume, meet the California Department of Public Health (CDPH) Standards
• Applicable national VOC content regulations or conduct testing of VOC content in accordance with ASTM standards.

Question 17

INTERIOR ADHESIVES AND SEALANTS

The VOC limits of newly applied interior adhesives and sealants meet one of the following requirements:

Answer 17

• 100% of installed products meet South Coast Air Quality Management District (SCAQMD)
• At minimum 90%, by volume, meet the California Department of Public Health (CDPH) Standards
• Applicable national VOC content regulations or conduct testing of VOC content in accordance with ASTM standards.

Question 18

FLOORING

The VOC emissions of all newly installed interior flooring meet all limits set by the following, as applicable:

Answer 18

California Department of Public Health (CDPH) Standard

Question 19

INSULATION
The VOC emissions of all newly installed interior thermal (excluding duct) and acoustic insulation meet all limits set by the following, as applicable:

Answer 19

California Department of Public Health (CDPH) Standard

Question 20

FURNITURE AND FURNISHINGS
The VOC emissions of at least 95% (by cost) of all newly purchased interior furniture and furnishings within the
project scope meet all limits set by the following, as applicable:

Answer 20

• ANSI/BIFMA Furniture Sustainability Standard

- California Department of Public Health (CDPH) Standard

Question 21

What are 2 common examples of VOCs:

Answer 21

Benzene and Formaldehyde

Question 22

VOC levels can be ___ higher

indoors than outdoors.

Answer 22

5 times

Question 23

What documentation is required for the VOC Reduction Feature?

Answer 23

Letter of Assurance from the Architect & Contractor

Question 24

FILTER ACCOMMODATION
If recirculated air is used, the following requirements are met in ventilation assemblies in the main air ducts for recirculated air:

Answer 24

• Rack space and fan capacity is in place for future carbon filters
• The mechanical system is able to accommodate the additional filters.

Question 25

PARTICLE FILTRATION | One of the following requirements is met:

Answer 25

- MERV 13 (or higher) media filters are used in the ventilation system to filter outdoor air - Project demonstrates that for 95% of all hours in a calendar year, ambient outdoor PM₁₀ and PM₂.₅ levels measured within 1 mi of the building are below the limits set in the WELL Air Quality Standards feature.

Question 26

AIR FILTRATION MAINTENANCE | To verify that the filtration system continues to operate as designed, projects must annually provide IWBI with:

Answer 26

Records of air filtration maintenance, including evidence that filters have been properly maintained as per manufacturer's recommendations.

Question 27

___ are designed to absorb such volatile pollutants and remove the largest particles, while ___ are meant to address smaller particles.

Answer 27

Carbon filters | Media filters

Question 28

What documentation is required for the Air Filtration Feature?

Answer 28

Letter of Assurance from the MEP Engineer Spot Checks Parts 1 & 2 (Filter Accommodation/Particle Filtration) Operations Schedule Part 3 (Air Filtration Maintenance)

Question 29

COOLING COIL MOLD REDUCTION | In buildings that rely on a mechanical system for cooling, one of the following requirements is met:

Answer 29

-Ultraviolet lamps are employed on the cooling coils and drain pans of the mechanical system supplies. -Building policy states that all cooling coils are inspected on a quarterly basis for mold growth and cleaned if necessary. Dated photos demonstrating adherence are provided to the IWBI on an annual basis.

Question 30

MOLD INSPECTIONS | The following are not present:

Answer 30

- Signs of discoloration and mold on ceilings, walls or floors. - Signs of water damage or pooling.

Question 31

DUCT PROTECTION | To prevent pollutants from entering the ventilation system, all newly installed ducts are either:

Answer 31

- Sealed and protected from possible contamination during construction. - Vacuumed out prior to installing registers, grills and diffusers.

Question 32

FILTER REPLACEMENT To prevent pollutants from entering the air supply post-occupancy, if the ventilation system is operating during construction occurring within one year prior to Performance Verification, the following requirement is met:

Answer 32

-All filters are replaced prior to occupancy.

Question 33

MOISTURE ABSORPTION MANAGEMENT To prevent building materials from absorbing water or moisture during construction occurring within one year prior to Performance Verification, the following requirements are met:

Answer 33

A separate area is designated to store and protect absorptive materials, including but not limited to carpets, acoustical ceiling panels, fabric wall coverings, insulation, upholstery and furnishings

Question 34

DUST CONTAINMENT AND REMOVAL The following procedures are followed during building construction occurring within one year prior to Performance Verification:

Answer 34

- All active areas of work are isolated from other spaces by sealed doorways or windows or through the use of temporary barriers. - Walk-off mats are used at entryways to reduce the transfer of dirt and pollutants. - Saws and other tools use dust guards or collectors to capture generated dust.

Question 35

What documentation is required for the Construction Pollution Management Feature?

Answer 35

Letter of Assurance from the Contractor

Question 36

ENTRYWAY WALK-OFF SYSTEMS To capture particulates from occupant shoes at all regularly used entrance(s) to the project, including doors with pedestrian traffic only to/from terraces or patios (no traffic to/from surrounding grounds), one of the following is installed and is maintained on a weekly basis:

Answer 36

- Permanent entryway system comprised of grilles, grates or slots, which allow for easy cleaning underneath, at least the width of the entrance and 10 ft long in the primary direction of travel. - Rollout mats, at least the width of the entrance and 10 ft long in the primary direction of travel. - Material manufactured as an entryway walk-off system, at least the width of the entrance and 10 ft long in the primary direction of travel

Question 37

ENTRYWAY AIR SEAL One of the following is in place to slow the movement of air from outdoors to indoors within mechanically ventilated main building entrances:

Answer 37

- Building entry vestibule with two normally-closed doorways. - Revolving entrance doors. - At least 3 normally-shut doors that separate occupied space from the outdoors. For example, a space on the fifth-floor could be separated by the exterior building doors, the first-floor elevator doors and the fifth-floor elevator doors. This option is applicable only for buildings whose entrance lobby is not a regularly occupied space.

Question 38

CLEANING PLAN FOR OCCUPIED SPACES | A cleaning plan is created that includes:

Answer 38

- The Cleaning Equipment and Training Section of the WELL Appendix (not on exam) - A list of approved product seals with which all cleaning, disinfection and hand hygiene products must comply in accordance with specific standards - A list of high-touch surfaces and schedule of sanitization or disinfection - A cleaning schedule that specifies the extent and frequency of cleaning - Dated cleaning logs that are maintained and available to all occupants.

Question 39

A written cleaning protocol should address

Answer 39

Frequency, supplies, equipment, procedures, and training to improve cleaning regimens.

Question 40

PESTICIDE USE | Pesticide and herbicide use on outdoor plants is eliminated, or hazards are minimized through one of the following:

Answer 40

- The creation of a pest management plan in place of pesticide/herbicide use, based on San Francisco Environment Code Integrated Pest Management (IPM) program. - Use of pesticides with a Hazard Tier ranking of 3 (least hazardous)

Question 41

____, one of the most widely used pesticides, is a suspected endocrine disruptor and is associated with cardiovascular problems.

Answer 41

Atrazine

Question 42

Long-term exposure to ___, a widely used herbicide, may lead to kidney problems and reproductive difficulties.

Answer 42

Glyphosate

Question 43

ASBESTOS AND LEAD RESTRICTION | All newly-installed building materials meet the following materials composition requirements:

Answer 43

- No asbestos. - Not more than a weighted average of 0.25% lead in wetted surfaces of pipes, pipe fittings, plumbing fittings, and fixtures, and 0.20% for solder or flux used in plumbing for water intended for human consumption. - Not more than 100 ppm (by weight) added lead in all other building materials.

Question 44

LEAD ABATEMENT For repair, renovation, demolition or painting of projects constructed prior to any applicable laws banning or restricting lead paint, lead evaluation and abatement is conducted in accordance with the following guidelines:

Answer 44

- An on-site investigation of the space conducted by a certified risk assessor or inspector technician to determine the presence of any lead-based hazards in paint, dust and soil. - All commercial and institutional spaces found to have lead-based hazards must adhere to work practice standards for conducting lead-based paint activities - Adherence to the U.S. EPA rules regarding the lead supercedes adherence to other protocols.

Question 45

ASBESTOS ABATEMENT To reduce hazards in projects constructed prior to any applicable laws banning or restricting asbestos, the following testing, evaluation and abatement is conducted:

Answer 45

- Projects conduct asbestos inspection every three years - Development, maintenance and update of asbestos management plans follow protocol detailed in the Asbestos-Containing Materials in Schools Rule - Projects conduct post-abatement clearance in accordance with Asbestos Hazard Emergency Response Act (AHERA) Asbestos-Containing Materials in Schools

Question 46

POLYCHLORINATED BIPHENYL ABATEMENT For any projects undergoing current renovation or demolition which were constructed or renovated between 1950 and the institution of any applicable laws banning or restricting PCBs the below guidelines are applied and a policy put in place for future work:

Answer 46

- Conduct evaluation and abatement of materials in accordance with the U.S. EPA Steps to Safe PCB Abatement Activities. - Conduct removal and safe disposal of PCB-containing fluorescent light ballasts in accordance with the U.S. EPA guidelines.

Question 47

MERCURY LIMITATION | Mercury-containing equipment and devices are restricted in accordance with the below guidelines:

Answer 47

- Project does not specify or install new mercury containing thermometers, switches and electrical relays. - Project does not install any lamps not compliant with the low-mercury limits in the WELL Building Standard Appendix. Project develops a plan to upgrade any existing non-compliant lamps to low-mercury or mercury-free lamps. - Illuminated exit signs only use Light-Emitting Diode (LED) or Light-Emitting Capacitor (LEC) lamps. - No mercury vapor or probe-start metal halide high intensity discharge lamps are in use.

Question 48

Exposure to ____ through inhalation can occur when building materials degrade over time or are disturbed during renovation or demolition, and is associated with ___ and ___.

Answer 48

Asbestos fibers | Lung cancer and mesothelioma

Question 49

Exposure to____ can have____, even | at low levels, and in early development is associated with negative effects on ___, ___, ___ and ___.

Answer 49

Lead Neurotoxic effects memory, IQ, learning and behavior.

Question 50

EXTERIOR LIQUID WATER MANAGEMENT A point-by-point narrative describes how liquid water from outside the building is addressed, responding to the nature and intensity of wetting based on the project's site and climate, and includes the following leading concerns:

Answer 50

- Site drainage, including the impact of any site irrigation. - The local water table. - Building penetrations (especially windows and plumbing/electrical/mechanical penetrations). - Porous building materials connected to exterior sources of liquid water.

Question 51

INTERIOR LIQUID WATER MANAGEMENT A point-by-point narrative describes how liquid water from interior sources is addressed, including these leading concerns:

Answer 51

- Plumbing leaks. - "Hard-piped" plumbing appliances (appliances such as clothes washers exposed to building water pressure even when not in use). - Porous building materials connected to interior sources of liquid water. - New building materials with “built-in” high moisture content or building materials wetted during construction but now on the inside of the building.

Question 52

CONDENSATION MANAGEMENT | A point-by-point narrative describes how condensation is addressed, including these leading concerns:

Answer 52

- High interior relative humidity levels, particularly in susceptible areas like bath and laundry rooms and below-grade spaces. - Air leakage which could wet either exposed interior materials or interstitially “hidden” materials. - Cooler surfaces, such as basement or slab-on-grade floors, or closets/cabinets on exterior walls. - Oversized air conditioning units.

Question 53

MATERIAL SELECTION AND PROTECTION A point-by-point narrative describes how moisture-tolerant materials have been selected and/or moisture sensitive materials (MSP) are being protected, considering these leading concerns:

Answer 53

- Exposed entryways and glazing. - Porous cladding materials. - Finished floors in potentially damp or wet rooms such as basements, bathrooms and kitchens. - Interior sheathing in damp or wet rooms. - Sealing and storing of absorptive materials during construction.

Question 54

What are the 4 ways water can enter a building and building assemblies?

Answer 54

Bulk water Capillary water Air-transported moisture (humidity) Vapor diffusion (condensation)

Question 55

AIR FLUSH A building air flush is performed while maintaining an indoor temperature of at least 59 °F and relative humidity below 60%, at one of the following volumes:

Answer 55

- A total air volume of 14,000 ft³ of outdoor air per ft² of floor area prior to occupancy. - A total air volume of 3,500 ft³ of outdoor air per ft² of floor area prior to occupancy, followed by a second flush of 10,500 ft³ of outdoor air per ft² of floor area post-occupancy. While the post-occupancy flush is taking place, the ventilation system must provide at least 0.3 CFM per minute of outdoor air per ft² of floor area at all times.

Question 56

Management of ____should be given first priority given the time it takes to complete an air flush.

Answer 56

Construction pollution

Question 57

AIR LEAKAGE TESTING | The following is performed after substantial completion and prior to occupancy to ensure the structure is airtight:

Answer 57

- Envelope commissioning in accordance with ASHRAE Guideline 0-2005 and the National Institute of Building Sciences (NIBS) Guideline. - Detailed plan for action and remediation of unacceptable conditions.

Question 58

What documentation is required for the Air Infiltration Management Feature?

Answer 58

Annotated Document: Commissioning Report

Question 59

INCREASED OUTDOOR AIR SUPPLY | One of the following is required in all regularly occupied spaces:

Answer 59

- Exceed outdoor air supply rates met in WELL Ventilation Effectiveness by 30%. - Follow CIBSE Design Calculations, to predict that room-by-room airflows will provide effective natural ventilation.

Question 60

RELATIVE HUMIDITY | At least one of the following is required:

Answer 60

- A ventilation system with the capability to maintain relative humidity between 30% to 50% at all times by adding or removing moisture from the air. - Modeled humidity levels in the space are within 30% to 50% for at least 95% of all business hours of the year. Buildings in climates with narrow humidity ranges are encouraged to pursue this option.

Question 61

High humidity may promote the accumulation and growth of ___, including ___, ____ and ___.

Answer 61

- Microbial pathogens | - Bacteria, dust mites and mold.

Question 62

An increase in relative humidity of ___ can increase the emissions of ___ by a factor of ____-___.

Answer 62

35% formaldehyde 1.8–2.6

Question 63

___ and ___ may be preferable in arid environments because it doesn't further dry out the air.

Answer 63

Radiant heating and cooling

Question 64

POLLUTION ISOLATION AND EXHAUST All cleaning and chemical storage units, all bathrooms and all rooms that contain printers and copiers meet the following conditions:

Answer 64

- Are closed from adjacent spaces, such as by using self-closing doors. - Air is exhausted so that all air is expelled rather than recirculated.

Question 65

Copy rooms can contribute to the production | of ___, which is linked to ___ and ____ diseases.

Answer 65

ozone | asthma and other respiratory

Question 66

INDOOR AIR MONITORING Monitors measure 2 of the following pollutants in a regularly occupied or common space (minimum one per floor) within the building, at intervals no longer than once an hour measured at 4-6 ft above the floor, and results are annually transmitted to the IWBI:

Answer 66

- Particle count - Carbon dioxide - Ozone

Question 67

AIR DATA RECORD KEEPING AND RESPONSE | In an effort to consistently meet the WELL parameters, projects provide a written policy specifying:

Answer 67

- Detailed enforcement strategies for monitoring and record-keeping of parameters listed in the Air Quality Standards Feature - Records are to be kept for a minimum of 3 years, including full data from field inspectors or laboratory results where appropriate. - Detailed plan for action and remediation of unacceptable conditions.

Question 68

ENVIRONMENTAL MEASURES DISPLAY Real-time display of the following indoor environmental parameters are made available per 10,000 ft² of regularly occupied space on a screen no smaller than 15.9 inches by 15.1 inches:

Answer 68

- Temperature - Humidity - Carbon dioxide concentration

Question 69

Air Quality Records are reported to ____ and ___.

Answer 69

occupants | IWBI

Question 70

FULL CONTROL | The following requirement is met:

Answer 70

-Every regularly occupied space has operable windows that provide access to outdoor air and daylight.

Question 71

OUTDOOR AIR MEASUREMENT Outdoor levels of ozone, PM₁₀, temperature and humidity are monitored based on the following requirement, and data collected is made available to the building occupants:

Answer 71

-A data-gathering station located within 1 mi of the building.

Question 72

WINDOW OPERATION MANAGEMENT If the outdoor air measurement system indicates that outdoor air either (i) exceeds ozone levels of 51 ppb or PM₁₀ levels of 50 μg/m³; (ii) has a temperature of 15 °F above or below set indoor temperature; or (iii) has a relative humidity above 60%, then one of the following is used to discourage occupants from opening windows:

Answer 72

- Software on occupants' computers or smartphones. | - Indicator lights at all operable windows.

Question 73

DEDICATED OUTDOOR AIR SYSTEMS | Dedicated outdoor air systems are used for ventilation and verified as being adequate through one of the following:

Answer 73

- The system complies with local codes or standards regarding dedicated outdoor air systems. - A detailed design review of the proposed system is conducted by an independent, qualified and registered professional mechanical engineer (not employed or compensated by the mechanical engineer on record). The review addresses thermal comfort (temperature, humidity, air velocity, etc.) and ventilation rates, as well as overall serviceability and system reliability.

Question 74

DISPLACEMENT VENTILATION DESIGN AND APPLICATION | Projects implement a displacement ventilation system for heating and/or cooling in which one of the following is met:

Answer 74

- Low side wall air distribution with the air supply temperature slightly cooler or warmer than the desired space temperature. - Underfloor Air Distribution (UFAD) with the air supply temperature slightly cooler or warmer than the desired space temperature. Displacement ventilation applied as part of an underfloor air distribution system must be installed at a raised floor height whereby the underfloor area can be cleaned on an annual basis.

Question 75

SYSTEM PERFORMANCE | The following requirements are met:

Answer 75

- A Computational Fluid Dynamics (CFD) analysis is conducted for the displacement ventilation system. - The displacement ventilation system meets ASHRAE 55 (Thermal Environmental Conditions for Human Occupancy) for comfort for at least 75% of all regularly occupied space.

Question 76

PEST REDUCTION | The following are met:

Answer 76

- All non-refrigerated perishable food, including pet food, is stored in sealed containers - All indoor garbage cans (except paper recycling bins) less than 30 gallons have lids and hands-free operation, or are enclosed by cabinetry in an under-counter pull-out drawer, with a handle separate from the trash can. - All indoor garbage cans (except paper recycling bins) greater than 30 gallons have a lid.

Question 77

PEST INSPECTION | Visual inspections during Performance Verification show that the following are not present:

Answer 77

Signs of infestation by cockroaches, termites or other pests.

Question 78

Up to ___ of individuals with ___ who live in urban environments also have a sensitivity to ___ allergens.

Answer 78

60% asthma cockroach

Question 79

The ___, ___ and ___ of ___ contain allergens which can trigger asthma and allergic reactions in susceptible individuals.

Answer 79

bodies, feces and saliva | dust mites

Question 80

CARBON FILTRATION | To reduce VOCs in the indoor air, buildings which recirculate air use one of the following methods:

Answer 80

- Activated carbon filters or combination articulate/carbon filters in the main air ducts to filter recirculated air. - A standalone air purifier with a carbon filter used in all regularly occupied spaces.

Question 81

AIR SANITIZATION Spaces with more than 10 regular occupants, within buildings that recirculate air, use one of the following treatments or technologies to treat the recirculated air, either integrated within the central ventilation system or as a standalone device:

Answer 81

- Ultraviolet germicidal irradiation | - Photocatalytic oxidation

Question 82

AIR QUALITY MAINTENANCE As evidence that the selected filtration/sanitation system chosen continues to be fully operational, projects must annually provide IWBI with:

Answer 82

-Records of air filtration/sanitization maintenance, including evidence that the filter and/or sanitizer has been properly maintained as per the manufacturer's recommendations.

Question 83

What documentation is required for Feature 23 Air Purification?

Answer 83

- Letter of Assurance from Engineer and Spot Check (Part 1 & 2) - Operations Schedule (Part 3)

Question 84

APPLIANCE AND HEATER COMBUSTION BAN | The following are forbidden in regularly occupied spaces:

Answer 84

-Combustion-based fireplaces, stoves, space-heaters, ranges and ovens.

Question 85

LOW-EMISSION COMBUSTION SOURCES All combustion equipment used in the project for ___, ___, ___, ___ or ___ (including back-up if used more than 200 hours per year) meets _____ rules for pollution:

Answer 85

- Heating, cooling, water-heating, process heating or power generation - California’s South Coast Air Quality Management District (SCAQMD)

Question 86

ENGINE EXHAUST REDUCTION | Signage, visible from pick-up, drop-off and parking areas indicates:

Answer 86

-Idling with vehicle engines on for more than 30 seconds is prohibited.

Question 87

CONSTRUCTION EQUIPMENT To reduce particulate matter emissions from both on-road and non-road diesel fueled vehicles and construction equipment, the following requirements are met for construction occurring within one year prior to Performance Verification:

Answer 87

- All non-road diesel engine vehicles comply with the U.S. EPA Tier 4 PM emissions standards or local equivalent when applicable. - All on-road diesel engine vehicles meet the requirements set forth in the U.S. EPA model year 2007 on-road standards for PM, or local equivalent when applicable. - All equipment, vehicles and loading/unloading are located away from air intakes and operable openings of adjacent buildings when available.

Question 88

___ has ___ times the binding affinity for hemoglobin compared to oxygen.

Answer 88

Carbon monoxide | 210 times

Question 89

Hypoxia is the lack of ___ delivery to ___ that can cause ___, ___ and ___.

Answer 89

oxygen delivery body tissues nausea, loss of consciousness and death.

Question 90

PERFLUORINATED COMPOUND LIMITATION | No perfluorinated compounds (PFCs) are present in the following condition:

Answer 90

-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.

Question 91

FLAME RETARDANT LIMITATION Halogenated flame retardants are limited in the following components to 0.01% (100 ppm) to the extent allowable by local code:

Answer 91

- Window and waterproofing membranes, door and window frames and siding. - Flooring, ceiling tiles and wall coverings. - Piping and electrical cables, conduits and junction boxes. - Duct, pipe, acoustic and thermal insulation. - Upholstered furniture and furnishings, textiles and fabrics.

Question 92

PHTHALATE (PLASTICIZERS) LIMITATION DEHP, DBP, BBP, DINP, DIDP or DNOP (often found in polyvinyl chloride [PVC]) are limited in the following components to 0.01% (100 ppm):

Answer 92

- Flooring, including resilient and hard surface flooring and carpet. - Wall coverings, window blinds and shades, shower curtains, furniture and upholstery. - Plumbing pipes and moisture barriers.

Question 93

ISOCYANATE-BASED POLYURETHANE LIMITATION | Isocyanate-based polyurethane products are not used in:

Answer 93

-Interior finishes.

Question 94

UREA-FORMALDEHYDE RESTRICTION | Urea-formaldehyde presence is limited in the following components to 100 ppm:

Answer 94

- Furniture or any composite wood products. - Laminating adhesives and resins. - Thermal insulation.

Question 95

PRECAUTIONARY MATERIAL SELECTION At least 25% of all furnishings, built-in furniture, interior finishes, and finish materials (calculated by cost) meet one or more of the following requirements:

Answer 95

- Have a Declare labed (i.e. LBC Red List Free, Declare) - Are Cradle to Cradle Certified™ certified or have a Material Health Certificate from the Cradle to Cradle. - Have no GreenScreen® Benchmark 1, List Translator 1, etc. substances over 1,000 ppm.

Question 96

HIGH-TOUCH SURFACES All countertops and fixtures in bathrooms and kitchens, and all handles, doorknobs, lightswitches and elevator buttons are one of the following:

Answer 96

- Coated with or comprised of a material that is abrasion-resistant, non-leaching and meets EPA testing requirements for antimicrobial activity. - Cleaned with a UV cleaning device, used as recommended by the manufacturer.

Question 97

Short wavelength ___ effectively can reduce the bacterial load on surfaces.

Answer 97

-Ultraviolet light (UV-C)

Question 98

MATERIAL PROPERTIES | High-touch and non-porous surfaces meet the following requirements:

Answer 98

- Smooth and free of defects visible to the unaided eye. - Finished to maintain smooth welds and joints. - Free of crevices and other hard-to-reach places.

Question 99

CLEANABILITY | The following requirements are met:

Answer 99

- No permanent wall-to-wall carpeting is used; only removable rugs, removable carpet tiles or hard surfaces are allowed. - The building provides adequate flexible storage space for all permanent, movable items to allow high-touch surfaces to be completely cleared during cleaning. - Right angles between walls and windows/floors are sealed.

Question 100

EQUIPMENT AND CLEANING AGENTS | All cleaning equipment meets the following:

Answer 100

- Mops, rags and dusters used to clean all non-porous surfaces consist of microfiber with a denier no higher than 1.0. - Mops do not have to be wrung by hand. - Vacuum cleaners contain filters with a HEPA rating.

Question 101

CHEMICAL STORAGE | All cleaning equipment meets the following:

Answer 101

-In cleaning storage areas, bleach and ammonia-based cleaning products are kept in separate bins from one another. -Any bins and bottles of bleach and ammonia-based cleaning products are affixed with large, colorcoded labels indicating they are not to be mixed.