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Laboratory fume hood maintenance checklists

Laboratory fume hood maintenance checklists for the quarterly and annual rounds: 2 free lists, 26 items and 24 photo requirements, each item naming what to look for and the photo evidence it needs. Work is commonly verified against ANSI/AIHA Z9.5 (laboratory ventilation); the edition in force is the AHJ's call on each project.

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The laboratory fume hood rounds

Laboratory fume hood QuarterlyLaboratory fume hood quarterly maintenance checklistSash, monitor reading, baffles, storage and exhaust run walked on the quarterly round13 items12 photosLaboratory fume hood AnnualLaboratory fume hood annual maintenance checklistAnnual face-velocity and containment certification observed and recorded alongside the certifier13 items12 photos

Where each walk sits in the schedule

  1. 01quarterly

    Laboratory fume hood quarterly maintenance checklist

    Every quarter, timed with the lab's exhaust and makeup air checks since a hood only pulls if the fan and the room air balance both hold.

    Run by: The facilities or lab maintenance tech on the quarterly round, with lab staff present in the working space.

  2. 02annual

    Laboratory fume hood annual maintenance checklist

    Once a year, scheduled with the certifier so the testing and the resulting certification sticker are witnessed and recorded before the hood is returned to service.

    Run by: The facilities lead documenting the visit while the qualified certifier performs the face-velocity and containment testing.

What most often fails on a laboratory fume hood

  • Sash routinely propped above the marked working height for a tall setup, so the hood is used well outside where it was set to contain.
  • Face-velocity monitor showing an alarm or a blank that staff have worked around for weeks instead of reporting it.
  • Boxes and bottles crowded against the rear baffle, blocking the airflow slots the hood depends on.
  • Certifier's measured values left on the sticker only, never copied into the facility record, so drift between years can't be seen.
  • Sash and baffles moved for testing and not returned to the marked working configuration, so day-to-day use no longer matches what was certified.

Verified against

Families only, never clause numbers. Adoption varies by jurisdiction; confirm the edition your authority having jurisdiction enforces before you run a walk against it.

Common questions

5 answers

Which laboratory fume hood maintenance rounds do these checklists cover?
Laboratory fume hood quarterly maintenance checklist (quarterly): Every quarter, timed with the lab's exhaust and makeup air checks since a hood only pulls if the fan and the room air balance both hold. Laboratory fume hood annual maintenance checklist (annual): Once a year, scheduled with the certifier so the testing and the resulting certification sticker are witnessed and recorded before the hood is returned to service.
Who runs the laboratory fume hood maintenance round?
The facilities or lab maintenance tech on the quarterly round, with lab staff present in the working space. The facilities lead documenting the visit while the qualified certifier performs the face-velocity and containment testing.
What most often fails on a laboratory fume hood?
Sash routinely propped above the marked working height for a tall setup, so the hood is used well outside where it was set to contain. Face-velocity monitor showing an alarm or a blank that staff have worked around for weeks instead of reporting it. Boxes and bottles crowded against the rear baffle, blocking the airflow slots the hood depends on. Certifier's measured values left on the sticker only, never copied into the facility record, so drift between years can't be seen.
Which standards is laboratory fume hood work verified against?
ANSI/AIHA Z9.5 (laboratory ventilation), published by the American National Standards Institute / American Industrial Hygiene Association. Adoption varies by jurisdiction. Confirm the edition your authority having jurisdiction enforces before you run a walk against it.
Can I run these checklists in RTI?
Yes. Start a free RTI workspace and load any of the 2 lists (26 items in total). The Photo Gate holds the submit button until every mandatory item is answered and its photos are attached, and approved inspections roll into a branded turnover package with a tamper evident audit trail.

Run these lists with the Photo Gate.

Tag one area, scan it, and the submit stays locked until the photos exist.

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