Checklist template

Indoor air quality and mould inspection

A ready-to-use checklist with 120 items in 6 sections, covering Ventilation, Moisture, Visible mould, Odours, Complaints, Remediation. Use it as-is in InspectLoop, or adapt it to your own standards in minutes.

  • 6 Sections
  • 120 Items
  • 95 Yes / No checks
  • 6 Scored ratings
  • 125 Points

Use this template How audits work

1. Ventilation 22 items

  1. Outdoor air dampers are open during occupied hours, as seen at the unit or on the building automation system Yes / No 1 pt
  2. The minimum outdoor air setting has not been closed off or overridden Yes / No 1 pt
  3. Windows and doors next to the dock or garage are kept closed while vehicles run Yes / No 1 pt
  4. No dumpster, idling vehicle, exhaust outlet or smoking area is next to an outdoor air intake Yes / No 1 pt
  5. Filters of the air handlers serving occupied areas were changed within the interval set by the maintenance program Yes / No 1 pt
  6. Every room created or divided by a renovation has its own supply diffuser Yes / No 1 pt
  7. Rooms with a closing door have a return grille or a gap under the door for air to leave Yes / No 1 pt
  8. Copiers and large printers stand in a room with an exhaust grille, or away from desks Yes / No 1 pt
  9. Date of the last filter change on the main air handler Date
  10. Supply diffusers are not blocked by furniture, boxes or tape Yes / No 1 pt
  11. Return grilles are not blocked by furniture or stored goods Yes / No 1 pt
  12. Diffusers and the ceiling around them are free of dark dust streaks Yes / No 1 pt
  13. Air can be felt at the supply diffusers of 5 rooms sampled Yes / No 1 pt
  14. Restroom exhaust fans pull a tissue held at the grille Yes / No 1 pt
  15. Fans are scheduled to run through all occupied hours, including the cleaning shift Yes / No 1 pt
  16. The exhaust fans of the loading dock or parking garage start on their carbon monoxide sensors or timer Yes / No 1 pt
  17. Fuel-burning appliances are vented to the outdoors with the flue intact Yes / No 1 pt
  18. Carbon dioxide reading in the most crowded occupied room (ppm) Number
  19. Carbon dioxide reading outdoors (ppm) Number
  20. Indoor carbon dioxide is no more than 700 ppm above the outdoor reading Yes / No 1 pt
  21. Temperature in the occupied area (°F or °C) Number
  22. Ventilation of occupied areas Rating
    • Fresh air supplied and distributed to all areas 5 pts
    • Some rooms stuffy or poorly served 3 pts
    • Outdoor air closed off or system not running 1 pt

2. Moisture 21 items

  1. Relative humidity in the occupied area (%) Number
  2. Relative humidity in occupied areas is between 30% and 60% Yes / No 1 pt
  3. Condensate drain pans hold no standing water Yes / No 1 pt
  4. Paint and vinyl wall covering on exterior walls show no bubbling or peeling Yes / No 1 pt
  5. Boxes and paper files in the basement or storage rooms are kept off the floor Yes / No 1 pt
  6. No water stands on the roof or on the ground next to an outdoor air intake Yes / No 1 pt
  7. Stained ceiling tiles counted during the visit Number
  8. No ceiling tile is wet at the time of the visit Yes / No 1 pt
  9. No roof leak work order has been open for more than 30 days Yes / No 1 pt
  10. Windows show no condensation running onto sills Yes / No 1 pt
  11. Insulation on cold water pipes and chilled ducts shows no drip marks or wet spots Yes / No 1 pt
  12. Basement or slab-level walls show no damp patches or white salt deposits Yes / No 1 pt
  13. The crawl space or pipe tunnel under occupied areas holds no standing water Yes / No 1 pt
  14. Carpet along exterior walls and at entrances is dry to the touch Yes / No 1 pt
  15. Portable dehumidifiers in use are emptied or piped to a drain Yes / No 1 pt
  16. The floor around water heaters, ice machines and drinking fountains is dry Yes / No 1 pt
  17. Downspouts discharge away from the foundation Yes / No 1 pt
  18. Humidifiers hold no stagnant water or scale Yes / No 1 pt
  19. Records of the last leak show wet materials were dried or removed within 48 hours Yes / No 1 pt
  20. Highest moisture meter reading on a wall or floor (%) Number
  21. Moisture control in the building Rating
    • Dry throughout 5 pts
    • Isolated damp spots with the cause known 3 pts
    • Active leaks or widespread dampness 1 pt

3. Visible mould 20 items

  1. Locations where visible mold was found Number
  2. Estimated size of the largest affected area (sq ft or m²) Number
  3. Location of the largest affected area Short text
  4. No visible mold on ceiling tiles Yes / No 1 pt
  5. No visible mold on walls at baseboard level Yes / No 1 pt
  6. No visible mold behind furniture placed against exterior walls Yes / No 1 pt
  7. No visible mold on supply diffusers Yes / No 1 pt
  8. No visible mold on the insulation lining inside the air handler Yes / No 1 pt
  9. No visible mold in the condensate drain pans Yes / No 1 pt
  10. No visible mold inside ducts seen through grilles or access doors Yes / No 1 pt
  11. No visible mold on window sills or frames Yes / No 1 pt
  12. No visible mold in the janitor closet or around the mop sink Yes / No 1 pt
  13. No visible mold on restroom ceilings or behind toilets Yes / No 1 pt
  14. No visible mold in cabinets under break room sinks Yes / No 1 pt
  15. No visible mold on cardboard or paper stored in the basement or storage rooms Yes / No 1 pt
  16. No visible mold around through-wall air conditioning units Yes / No 1 pt
  17. Wall cavities were opened or checked with a moisture meter where water damage occurred in the last 12 months Yes / No 1 pt
  18. Each affected area found was photographed Yes / No 1 pt
  19. Each affected area found has an open work order Yes / No 1 pt
  20. Extent of visible mold Rating
    • None found 5 pts
    • Small isolated patches, under 10 sq ft (1 m²) in total 3 pts
    • Larger or multiple affected areas 1 pt

4. Odours 18 items

  1. No musty or earthy odor is noticed on entering the building Yes / No 1 pt
  2. No musty odor is noticed in the basement or storage rooms Yes / No 1 pt
  3. No musty odor comes from the diffusers when the air handler starts Yes / No 1 pt
  4. No sewer odor is noticed near floor drains Yes / No 1 pt
  5. No stale or stuffy air is noticed in meeting rooms after use Yes / No 1 pt
  6. No vehicle exhaust odor is noticed in rooms next to the dock or garage Yes / No 1 pt
  7. No gas or combustion odor is noticed near boilers or water heaters Yes / No 1 pt
  8. Cleaning chemical containers in the janitor closet are closed Yes / No 1 pt
  9. No chemical odor spreads from the janitor closet or chemical storage Yes / No 1 pt
  10. No odor from the trash or compactor room reaches occupied areas Yes / No 1 pt
  11. Restroom odors do not reach the corridor Yes / No 1 pt
  12. No tobacco smoke odor is noticed inside the entrances Yes / No 1 pt
  13. Painting, flooring and adhesive work is scheduled outside occupied hours Yes / No 1 pt
  14. Air fresheners or ozone generators are not used to cover an odor Yes / No 1 pt
  15. No bird droppings or dead animals are found near the outdoor air intakes Yes / No 1 pt
  16. Odors noted on past visits were traced to a source and recorded Yes / No 1 pt
  17. Odor noticed during the visit and where Short text
  18. Odors in the building Rating
    • No unusual odor 5 pts
    • Faint odor in one area 3 pts
    • Strong or widespread odor 1 pt

5. Complaints 17 items

  1. Air quality complaints received in the last 90 days Number
  2. Air quality complaints still open Number
  3. Date of the most recent air quality complaint Date
  4. Occupants have a known way to report an air quality concern, such as a work order category Yes / No 1 pt
  5. Each complaint is logged with the date, the location and the symptoms or problem described Yes / No 1 pt
  6. Each complaint of the last 90 days received a response within the time set by company policy Yes / No 1 pt
  7. The person who complained was told what was found Yes / No 1 pt
  8. Complaints are grouped by air handler zone to reveal clusters Yes / No 1 pt
  9. Reports of symptoms that ease after leaving the building are flagged for investigation Yes / No 1 pt
  10. Investigations record measurements of carbon dioxide, temperature and humidity Yes / No 1 pt
  11. Health-related complaints are referred to human resources or occupational health per company policy Yes / No 1 pt
  12. Employees asked in 3 areas reported no ongoing stuffiness, odor or irritation Yes / No 1 pt
  13. Complaints open for more than 30 days have a written plan Yes / No 1 pt
  14. Occupants are told in advance about painting, pest control treatments and renovation work Yes / No 1 pt
  15. Complaints that followed a leak or flood are linked to that event in the log Yes / No 1 pt
  16. The facility manager reviews the complaint log monthly Yes / No 1 pt
  17. Handling of air quality complaints Rating
    • Logged, investigated and answered 5 pts
    • Logged but slow or incomplete follow-up 3 pts
    • Not logged 1 pt

6. Remediation 22 items

  1. A written mold response procedure is available on site Yes / No 1 pt
  2. Records of the last remediation show the water source was repaired before cleanup Yes / No 1 pt
  3. Small affected areas are cleaned by employees trained for the task Yes / No 1 pt
  4. Employees cleaning mold wear an N95 respirator, gloves and goggles Yes / No 1 pt
  5. Larger affected areas are assigned to a qualified remediation contractor per company policy Yes / No 1 pt
  6. For larger jobs the work area was enclosed in plastic sheeting under negative air pressure Yes / No 1 pt
  7. The air handler serving the work area was shut off or its grilles sealed during the work Yes / No 1 pt
  8. Moldy ceiling tiles, drywall and carpet were removed, not cleaned in place Yes / No 1 pt
  9. Removed materials left the building in sealed bags Yes / No 1 pt
  10. No area was found where mold or water stains had been painted over Yes / No 1 pt
  11. Moisture readings returned to normal before walls or ceilings were closed Yes / No 1 pt
  12. A visual check after the work is documented Yes / No 1 pt
  13. Occupants of the area were notified before remediation began Yes / No 1 pt
  14. Remediation records include the cause and photos taken before and after Yes / No 1 pt
  15. A follow-up check about 30 days after the work found no regrowth Yes / No 1 pt
  16. Dehumidifiers and air movers are on site or available from a supplier on call Yes / No 1 pt
  17. Remediation jobs in the last 12 months Number
  18. Date of the last remediation Date
  19. Name of the remediation contractor used Short text
  20. Name of the facility manager Short text
  21. Overall indoor air quality and mold control Rating
    • Dry, ventilated and free of mold, with complaints closed 5 pts
    • Isolated moisture, odor or complaint issues being worked on 3 pts
    • Active moisture or mold affecting occupied areas 1 pt
  22. Corrective actions required Comments

Brand standards

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