NOSA (National Occupational Safety Association) Certification
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Type: Voluntary safety management certification
Issued By: NOSA
Applies To: All cold chain operations concerned with safety
NOSA 5-Star Rating System:
- Graded from 1-star to 5-star based on safety compliance
- Audited annually
- Covers cold room safety, refrigerant handling, worker protection
Market Relevance: Many major companies require suppliers to maintain minimum NOSA ratings