The intervals that survive scrutiny are derived from the consequence of failure and the way each type of equipment actually degrades, and they are split between a check the wearer owns and an inspection the programme owns.
Intervals Follow Consequence, Not Habit
Two questions set an interval: how the item fails, and what happens if it fails unnoticed.
The first question is about degradation: does the item weaken gradually in a way that is visible, does it fail suddenly from a single event, or does its performance drift without any outward sign? The second question is about consequence: is a failure likely to be noticed before exposure, or does it convert directly into an injury? A harness that fails under load, a face shield that cracks on impact and an insulating glove with a hidden puncture all sit in the second category, which is why their inspection regimes are tighter than their visual appearance suggests. The applicable duty in OSHA 1910.132, within the general obligations of 29 CFR 1910 Subpart I, requires defective or damaged equipment to be taken out of service, and comparable expectations appear in regulator guidance such as that from HSE and CCOHS: an item that is not inspected cannot be shown to be serviceable.
Two framing points apply throughout. Inspection maintains a control rather than reducing the hazard, since protective equipment remains the last measure in the hierarchy of controls. And an interval is a decision that has to be explained, because the question after an equipment failure is not whether the item was inspected but why that frequency was chosen.
Pre-Use Checks: What the Wearer Owns
The pre-use check is a short, repeatable routine performed by the person who will wear the item, and it is the only inspection that happens immediately before exposure.
Its content should be three or four items that can be checked in under a minute: that the item is the one issued for this task, that it is intact at the points where failure would matter, that closures and adjustments function, and that it is clean enough to perform as intended. Where equipment is used as a system — a garment with a hood, a helmet with a face shield — the check covers the interfaces as well, because gaps and mismatched components are common and easy to miss. Two design points make pre-use checks actually happen. Post the check where the equipment is taken, rather than describing it in a procedure nobody reads. And make it possible to fail: a bin, a tag or a message route that lets a wearer remove an item without argument is what converts the check into a control rather than a formality.
Formal Inspection: What the Programme Owns
The formal inspection is scheduled, recorded and performed by someone with a defined competence, and it exists because pre-use checks miss gradual change.
What distinguishes it from the pre-use check is not thoroughness alone but three things: it happens at a defined interval, it is recorded against the individual item, and the person performing it is authorised to withdraw equipment from service. Its scope follows the equipment type: for clothing, seams, closures, fabric integrity, reflective trim and label legibility; for gloves, the material surface, the grip pattern and any evidence of chemical or thermal degradation; for footwear, the sole, the toe area, the lining and any sign of penetration; for head protection, the shell, the suspension and the date marking. Where an item has a service life set by the manufacturer, the formal inspection is also the point at which that life is checked against the record. Association material such as that published by ASSP is a useful reference when writing the criteria so that different inspectors reach the same conclusion.
Degradation Modes by Equipment Type
Matching the interval to the degradation mode is what makes the schedule defensible, and the modes differ more than the equipment categories suggest.
| Equipment type | How it typically degrades | What that implies for intervals |
|---|---|---|
| Protective clothing, including FR and arc-rated garments | Gradual fabric wear, seam and closure failure, contamination, label loss | Pre-use check each shift; formal inspection at an interval set from the care regime and wear rate |
| Gloves | Surface abrasion, cuts, chemical permeation, grip loss, hidden punctures | Pre-use before each task; formal inspection influenced by chemical exposure and handling type |
| Footwear | Sole wear, midsole damage, moisture ingress, toe area deformation | Pre-use visual check; formal inspection linked to wear rate and surface conditions |
| Head, face and eye protection | Impact damage, scratching, strap and suspension fatigue, UV degradation of shells | Pre-use each time; formal inspection at a shorter interval where impact risk is high |
| Hearing protection | Seal deterioration, cushion compression, band fatigue | Pre-use hygiene check; replacement tied to seal condition rather than appearance |
| Respiratory protection | Filter loading, valve and seal degradation, contamination | Pre-use every time; scheduled replacement per the manufacturer’s instructions |
Two rows illustrate the principle. Gloves used with chemicals can degrade without visible change, so the interval is driven by exposure and by the manufacturer’s data rather than by how worn they look. Head protection shells can be damaged by an impact that leaves no visible mark, which is why an item involved in a significant impact is withdrawn rather than inspected.
Setting Intervals You Can Defend
A defensible interval is set from four inputs and written down with its reasoning.
The first input is the manufacturer’s instructions, which frequently state inspection and replacement conditions for the specific product. The second is the exposure recorded in the task assessment: a garment worn daily against abrasive or oily contact degrades faster than one issued for occasional work. The third is the observed wear and rejection rate from the site’s own records, which is the only source of evidence that an interval is too long or too short. The fourth is the consequence of failure, which decides how much margin the interval carries. Where an interval cannot be justified from those four, it is a habit with a number attached. Two practical rules help: set shorter intervals for the items whose failure is undetectable, and review intervals using rejection data rather than opinion, since a pattern of items failing just before inspection is the clearest signal that the interval is too long.
Recording Inspection Outcomes
The record is what turns an inspection into evidence, and it needs three fields beyond the date.
Record the item, by identifier rather than by description, so that the same garment can be followed through its life. Record the outcome against the criteria used, distinguishing pass, pass with a note and withdrawn, because the middle category is where most judgement sits. And record the action taken, including a replacement issue line or a repair instruction where the manufacturer permits one. Two additions make the record disproportionately useful. Note the reason for any withdrawal, which is what allows intervals to be reviewed from data. And record who performed the inspection, because the competence question is asked after an incident and the answer has to exist. Where inspections are recorded per worker rather than per item, the history of a specific garment is lost, and a claim involving one item becomes a search through several records. The relationship between inspection and the wider equipment file is described in the sourcing, manufacturing and compliance hub.
Tagging and Withdrawal of Failed Items
Removing a failed item from circulation is as important as identifying it, and the gap between the two is where retired equipment returns to use.
Three steps close it. Tag the item at the point of inspection with a clear indication that it is out of service, so a wearer cannot mistake it for available equipment. Move it out of the issuing area immediately, since a defective item left in a locker or on a hook will be used. And record the withdrawal against the item so that the record shows it left service on that date and for that reason. Where an item is retained for investigation — after an arc exposure or an impact — keep it as evidence rather than returning it to the pool, and record that decision. Disposal deserves a defined route as well: equipment that cannot be repaired is destroyed or disposed of in a way that prevents it being reissued, and the disposal is recorded on the same line as the withdrawal.
Reviewing Intervals With Experience
Intervals improve when the site uses its own rejection data, and they decay when the schedule is treated as fixed.
Three signals are worth tracking. Items withdrawn at inspection with damage that would have been visible earlier suggest the inspection interval is too long, or that pre-use checks are not happening. Items withdrawn shortly after issue suggest a specification problem rather than an inspection one, and the answer lies in the assessment rather than the schedule. And a very low rejection rate across a high-wear area is worth questioning, because it usually means inspections are being recorded without being performed. Review the schedule once a year using those numbers, and treat the review as part of the programme rather than as an audit finding. Where equipment is used intermittently or seasonally, set the interval from use rather than from elapsed time, since calendar-based scheduling on seasonal equipment produces inspections on unused items and none on the ones in service. Guidance on how individual equipment families are inspected and retired is published for clothing and for hand protection on separate pages, and the two differ in ways that matter when a site is writing its own criteria.
FAQ: Questions About Inspection Frequency
How often should PPE be inspected?
Every item used should be checked before each use by the wearer, and formally inspected on an interval set from the manufacturer’s instructions, the exposure recorded in the task assessment, the site’s own rejection data and the consequence of failure. Items whose failure is difficult to detect – gloves used with chemicals, impact-protected headwear, respiratory protection – generally carry shorter formal intervals than their appearance suggests.
Who can inspect PPE?
The wearer performs the pre-use check, which is part of using the equipment. Formal inspection should be carried out by someone with defined competence for that equipment type and with the authority to withdraw an item from service, since an inspection that cannot remove an item does not function as a control. Where specialist equipment is involved, the manufacturer’s instructions may specify who is competent to inspect it.
What should be recorded after a PPE inspection?
The item identifier, the date, the outcome against the criteria used, and the action taken, including withdrawal, repair where permitted, or replacement. Adding the reason for withdrawal and the name of the inspector makes the record useful for two further purposes: reviewing whether intervals are right, and answering the competence question after an incident. Recording by worker rather than by item loses the history of the garment itself.
What are the OSHA requirements for equipment inspections?
The general PPE provisions require that equipment be maintained in a sanitary and reliable condition and that defective or damaged items not be used, with specific inspection and testing requirements appearing in the standards for particular equipment types. The practical implication is the same: the employer has to know the condition of issued equipment, which means a defined inspection regime and a record of its outcomes.
If you are setting inspection intervals and want them tied to the degradation modes of the equipment you actually issue, send your equipment list and current schedule to [email protected], or use the contact page to ask for a programme review.
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