OSHA 300 log: what gets recorded and what does not

The OSHA 300 log is the record of work-related injuries and illnesses that covered employers in the United States must maintain, one line per recordable case, kept per establishment and per calendar year. It works with two companion forms: the 301 incident report, which captures the detail of each case, and the 300A annual summary, which totals the year and is posted where employees can see it.

The recurring mistake is treating the log as an incident register. It is not. It records cases meeting a specific definition of recordability, and a company that logs every first-aid scratch produces numbers that make its safety record look far worse than it is — while a company that quietly omits a restricted-duty case has a different and more serious problem.

What makes a case recordable

• It is work-related — it arose from or was significantly aggravated by an event or exposure in the work environment.
• It is a new case rather than the continuation of a previously recorded one.
• And it meets one of the general recording criteria: death, days away from work, restricted work or transfer to another job, medical treatment beyond first aid, or loss of consciousness.
• Plus the specific conditions the rule names, including significant injuries diagnosed by a physician and certain needlestick, tuberculosis and hearing-loss cases.

First aid is the line most often crossed

The rule defines first aid as a closed list — cleaning and bandaging surface wounds, non-prescription medication at non-prescription strength, hot and cold therapy, drinking fluids for heat stress, and a handful of others. Anything outside that list counts as medical treatment and makes the case recordable, which is why a single prescription-strength dose can turn an apparently minor injury into a logged one. Learn the list rather than judging by how serious the injury looked, and record the reasoning for borderline decisions at the time, because a decision defended two years later from memory is not defended.

Recording a case is not an admission of fault, and it is not the same as a workers’ compensation determination. The two systems use different tests, and treating them as the same is a common route to an incorrect log in both directions.

The annual cycle

1. Log each recordable case within the period the rule allows after learning of it — days, not weeks.
2. Complete a 301 incident report, or an equivalent record, for every case on the log.
3. Update entries as cases develop: day counts change, and a case can become recordable after the fact.
4. Total the year on the 300A summary, have it certified by a company executive, and post it for the required period.
5. Submit electronically where your establishment size and industry require it — the thresholds have changed more than once, so confirm the current rule.
6. Retain the log, the summaries and the incident reports for the required period, and keep them per establishment.

Keeping the OSHA 300 log as data, not a PDF

The log is a table, and treating it as one makes the year-end painless: cases in rows, case number, date, job title, location, description, classification and day counts in columns, with day counts updated as cases develop. Ettex Sheets holds it with the totals computed rather than counted by hand; Ettex Forms captures the incident detail at the time from the supervisor; and Ettex Records keeps the completed logs, summaries and supporting reports per establishment for the retention period. Privacy cases have to be handled carefully — some cases require the employee’s name to be withheld from the log — so keep the identifying detail in the restricted record rather than in the shared table.

Plainly: this is not compliance software and none of it is legal advice. Recordability decisions, posting periods, electronic submission thresholds and partial exemptions are set by the regulation and change; the current text and your industry classification decide what applies to you.