NFPA 660 combustible dust standards replaced six separate regulations on December 31, 2024. This consolidation created a single compliance framework that forces thousands of facilities to update their documentation and understand new enforcement patterns. Key Takeaways: NFPA 660 consolidated NFPA 652, 654, 655, 656, 659, and 664 into one standard effective December 31, 2024 Existing … Read more