Clean Air Act: History, Standards & Safety
The Clean Air Act (CAA) is a federal law that regulates air emissions from both stationary (industrial) and mobile sources throughout...
October 10, 2025
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Posted On: December 09, 2024
OSHA 10 and 30 Hour trainings teach workers and supervisors about workplace hazards, worker rights, and employer responsibilities. A common question is whether these certifications or cards expire. The answer depends on specific circumstances, industry practices, and local requirements.
Upon successful completion, individuals receive official Department of Labor (DOL) OSHA cards as proof of their training.
At the federal level, OSHA 10 and 30 Hour certifications or cards do not expire. Once issued, they remain valid for a lifetime. However, certain situations may require workers to renew their training.
OSHA 10 Construction Training is perfect for plumbers entering the industry or working on small to medium-sized projects. It provides basic safety knowledge to confidently manage jobsite risks.
Under NYC Local Law 196 of 2017, OSHA certifications play an important role in obtaining Site Safety Training (SST) cards for workers and supervisors on major construction sites.
OSHA 30 Hour Card Validity:To apply for an SST card, the OSHA 30 Hour card must not be older than five years. If it is, the individual must retake the OSHA 30-Hour training.
Renewing SST Cards:Individuals whose SST cards are about to expire can take refresher training to renew their validity for another five years. However, if the SST card expires, the individual must retake the full training, including the OSHA 30 Hour Construction Training.
If your card is lost, you can request a replacement card from the training provider where you completed the training. However, replacement cards can only be issued to individuals who completed their training within the last five years.
If it has been more than five years since your training, a replacement card cannot be issued. In this case, you will need to retake the training to receive a new card.
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If you need OSHA 10, OSHA 30, or NYC Site Safety Training, OSHA Training School offers approved, fully online courses designed to meet certification requirements:
Though OSHA 10 and 30 Hour certifications do not officially expire, renewing your training may be necessary in some situations to remain compliant with industry requirements and local regulations. Keeping safety knowledge up to date benefits both workers and employers by reducing workplace hazards and maintaining compliance with updated safety standards.
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