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Fire extinguisher inspection log

A fire extinguisher inspection log is the record that each portable extinguisher was checked every month, serviced every year and hydrostatically tested on schedule. In the United States, OSHA 29 CFR 1910.157 requires a visual inspection monthly, an annual maintenance check with the date recorded, and a hydrostatic test at 5 or 12 year intervals depending on the type (Table L-1). This template has one row for each extinguisher. Pick its type and the Excel file looks up the test interval, works out when the annual check and the test are due, flags what is overdue, counts missed monthly checks, tracks open problems and summarises each building. The PDF is a sheet to keep at the extinguishers or on a clipboard. It is an example for planning: your written procedure, local law, NFPA 10 and your insurer can require more.

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Page 1 of the fire extinguisher inspection logFields for site, building, year and checked by, a table with unit ID, location, type, annual maintenance and hydrostatic test dates and twelve monthly boxes, a key of check letters and a problems log.
One row per extinguisherType picked from OSHA Table L-1Hydro test interval looked upAnnual and 6-year due datesDays to due and overdue flags12-month monthly check gridMissed checks countedIssues log with days openSummary by buildingRecord-keeping remindersWorked example

When to use it

When to use a fire extinguisher inspection log

  • When every extinguisher has its own paper tag and nobody has one list of which are due for service.
  • Before an insurer visit, a customer audit or an OSHA inspection, to show the monthly checks and the annual and test dates.
  • When a service company visits once a year and you want to see what it should have done and what comes next.
  • At a monthly safety meeting: which units were missed, which problems are still open, which tests fall in the next 12 months.

How to fill it in

  1. 1

    List every extinguisher

    One row each: a unit ID or the serial number, building, location, and the type picked from the drop-down. The types come from OSHA's Table L-1. If a unit is not on the table, pick the last entry and read its shell label.

  2. 2

    Enter the dates

    The date it went into service or the shell date, the last annual maintenance, the last hydrostatic test, and for a stored pressure dry chemical unit the last 6-year emptying and service. Leave a date blank if there has not been one yet.

  3. 3

    Read the due dates

    Annual due is 12 months after the last annual date. Hydro test due is the table interval after the last test, or after the in service date if the unit was never tested. Negative days mean overdue. Confirm the start date for an untested unit with the label and your service company.

  4. 4

    Check each unit every month

    On the Monthly checks sheet pick OK or the problem found. N/A means the unit was not in service that month. A month that is over with a blank cell counts as missed.

  5. 5

    Log every problem

    Put it on the Issues sheet with the unit, what was done, the owner and the date fixed. If a unit leaves for recharge or repair, record whether cover is in place.

  6. 6

    Review the summary every month

    The Summary shows monthly checks done, overdue annual and test work, tests due in the next 12 months and open issues for each building. Keep the annual maintenance dates for one year after the last entry or the life of the shell, whichever is less, and each hydro test certificate until the unit is retested or leaves service.

OSHA Table L-1

How often each type of extinguisher is hydrostatically tested

From 29 CFR 1910.157(f)(2), read on 15 October 2026. OSHA's eTool calls the first two types obsolete although they are still in the table. Soda acid and foam units with soldered brass shells are not permitted. For a type that is not listed, read the shell label and ask your service company.

  • Soda acid (stainless steel shell)

    Test interval (years)
    5
    6-year emptying and service (1910.157(e)(4))
    No
  • Cartridge operated water and/or antifreeze

    Test interval (years)
    5
    6-year emptying and service (1910.157(e)(4))
    No
  • Stored pressure water and/or antifreeze

    Test interval (years)
    5
    6-year emptying and service (1910.157(e)(4))
    No
  • Wetting agent

    Test interval (years)
    5
    6-year emptying and service (1910.157(e)(4))
    No
  • Foam (stainless steel shell)

    Test interval (years)
    5
    6-year emptying and service (1910.157(e)(4))
    No
  • Aqueous Film Forming foam (AFFF)

    Test interval (years)
    5
    6-year emptying and service (1910.157(e)(4))
    No
  • Loaded stream

    Test interval (years)
    5
    6-year emptying and service (1910.157(e)(4))
    No
  • Dry chemical with stainless steel

    Test interval (years)
    5
    6-year emptying and service (1910.157(e)(4))
    No
  • Carbon dioxide

    Test interval (years)
    5
    6-year emptying and service (1910.157(e)(4))
    No
  • Dry chemical, stored pressure, with mild steel, brazed brass or aluminum shells

    Test interval (years)
    12
    6-year emptying and service (1910.157(e)(4))
    Yes, unless a non-refillable disposable unit
  • Dry chemical, cartridge or cylinder operated, with mild steel shells

    Test interval (years)
    12
    6-year emptying and service (1910.157(e)(4))
    No
  • Halon 1211

    Test interval (years)
    12
    6-year emptying and service (1910.157(e)(4))
    No
  • Halon 1301

    Test interval (years)
    12
    6-year emptying and service (1910.157(e)(4))
    No
  • Dry powder, cartridge or cylinder operated with mild steel shells

    Test interval (years)
    12
    6-year emptying and service (1910.157(e)(4))
    No

A filled-in example

Illustrative, not a benchmark

An example: a made-up site with 24 extinguishers in two buildings, opened on a day when some work has slipped (illustrative).

  • Annual maintenance: 3 units are overdue (last done 410, 395 and 450 days ago, against 12 months) and 2 fall due in the next 30 days. Of the 24, 14 have nothing to flag.
  • Monthly checks: the grid covers 12 months and 11 are over. 24 units × 11 months = 264. One new unit was not in service for 6 of them, so 258 checks were due, and 2 were never entered.
  • Open problems: 2, a wall sign that fell off and a gauge in the red on a unit sent for recharge with a spare in place.
  • Tests coming: one stored pressure dry chemical unit in the welding bay is about 11.5 years old, so its 12-year hydro test and its next 6-year emptying and service both fall within the next year.

Monthly checks done: (258 minus 2) ÷ 258 = 99.2%. Building A is 153 of 154 (99.4%) and Building B is 103 of 104 (99.0%). Units needing attention: 3 overdue, 2 missed a check, 2 with an open problem, 2 due soon and 1 with a test coming, which is 10 of the 24.

Common mistakes

  • Treating the annual service as the monthly check

    The annual check is done by a service company. The monthly check is a quick look by your own people that each unit is in place, charged and ready. One does not replace the other, and in a 2006 letter OSHA declined to relax the monthly check to quarterly without a rulemaking petition or a variance.

  • Counting the test interval from the wrong date

    A hydrostatic test is due the table interval after the last test, not after the last annual check. For a unit that was never tested the sheet counts from the in service date as a working assumption, so check the shell label and ask your service company.

  • Forgetting the 6-year emptying

    Stored pressure dry chemical units that need a 12-year test are also emptied and serviced every 6 years, and the 6 years restart at a recharge or a hydrostatic test (1910.157(e)(4)). Non-refillable disposable units are exempt.

  • Taking a unit away with nothing in its place

    OSHA requires alternate equivalent protection while an extinguisher is out for maintenance or recharging (1910.157(e)(5)). Record the cover in the Issues log so the gap is visible.

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FAQ

Fire extinguisher inspection log: common questions

  1. Every month for a visual inspection and every year for a maintenance check (29 CFR 1910.157(e)(2) and (e)(3)). Hydrostatic tests follow Table L-1: every 5 years for types such as carbon dioxide and stored pressure water, every 12 years for stored pressure dry chemical in mild steel, brazed brass or aluminum shells. Those dry chemical units are also emptied and serviced every 6 years.

  2. The paragraph that requires the monthly visual inspection names no record. The annual maintenance date must be recorded and kept for one year after the last entry or the life of the shell, whichever is less, and a hydrostatic test needs a certification record with the test date, the tester's signature and the serial number. A dated monthly log is still the simplest way to show the check was done.

  3. OSHA's 2006 letter describes it as a visual check that the extinguisher is in place, charged and ready for use. Most sites also look at the gauge, the pin and tamper seal, damage or corrosion, the sign and the label. The check names in this log are those common checks, not a list from the standard.

  4. The calendar lists each duty once, such as the monthly check or the annual check, and asks for the oldest date. This log has a row for every extinguisher with its own type, test interval, dates, monthly results and open problems. Use the calendar for site-wide due dates and this log for the units.

  5. No. It follows federal OSHA 29 CFR 1910.157 only. NFPA 10, your insurer, the fire marshal, State Plan states and local codes can require more, and Canada, the UK and other countries have their own rules. The shell label and your service company's tag govern a particular unit.

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