OSHA 300 Log Basics

The “Skinny”

All impacted employers with 11 or more employees in the calendar year must create and post their OSHA 300A log each year.   Surprisingly, many companies are unaware of this requirement, especially smaller ones who may have recently surpassed the 10 employee trigger. What’s an OSHA 300 log, why should I care, and how do I complete it?  READ ON….

In This Issue

OSHA 300 Log Primer, contact me. rcarr@bes-corp.com (512) 923-0374


The “Details”Why does OSHA require it?

What is an OSHA 300, 300A and  301? 

Which Injuries & Illnesses Need to be Reported?

  • Why does OSHA require an OSHA 300 log?​

o    OSHA’s primary goal is to protect employees across the United States from being injured on the job.  Those protective measures come in the form of hundreds of regulations.  One requirement of OSHA is to report certain injuries and illnesses on an annual report called the OSHA 300 Log of Injuries and Illnesses.  These are the injuries that are considered “recordable.”  In addition, OSHA must be contacted directly when a more serious injury or fatality occurs.


Why does OSHA require recording injuries on an OSHA 300 Log you might ask?  It often seems confusing as to why OSHA requires the OSHA 300 Log to be completed, when the Agency does not require that it be submitted in most circumstances.  OSHA requires the log to be maintained as a resource or tool for employers to use.  They can use the log to capture any trends in injuries or illnesses that are occurring at a workplace and compare their company statistics to national industry averages.  According to OSHA, “employers and employees use the records to implement safety and health programs at individual workplaces.  Analysis of the data is a widely recognized method for discovering workplace safety and health problems and tracking progress in solving those problems.”  In addition, some companies will require their clients and/or customers to maintain an injury rate below the national average for the industry, which the OSHA log will help to determine.

  • What is an OSHA 300, 300A and 301 Log?
    • OSHA 300 Log: “The Log of Work-Related Injuries and Illnesses”
      • Used to document the details and classify work related injuries and illnesses and extent and severity of each incident/case.
      • This log is NOT to be posted, because it may contain confidential employee information.
    • OSHA 300A: “Summary of Work-Related Injuries and Illnesses”
      • Summarizes injuries and illnesses that occur each calendar year.
      • Includes calculation of TRIR and DART scores:
        • TRIR: Total Recordable Incident Rate
        • DART: Days away from work, restricted work activity and job transfer.
      • Must be posted each year from February 1st through April 30th (at each company location).
    • OSHA 301: “Injury and Illness Incident Report”
      • Used to detail each recordable incident.
      • Must be completed within 7 calendar days of the incident.
  • Which injuries and illnesses need to be recorded on the log?
    • Only “Recordable” injuries and illnesses need to be recorded.
      • All fatalities
      • All injuries and illnesses resulting in days away from work.
      • All injuries and illnesses resulting in job transfers or restrictions.
      • Medical treatment beyond first aid (ie: stitches, prescription medication, etc.)
      • Loss of consciousness

This information is only meant to offer basic information regarding these forms, but there are many more details and requirements that apply to each form. Learn more below

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