Which chapter in OPNAVINST 5100.23 Series addresses protection against man-made vitreous fibers?

The correct choice is Chapter 26. This chapter specifically focuses on the hazards related to man-made vitreous fibers, which are materials used in various industrial applications. Understanding the content in this chapter is essential for safety personnel, as it outlines the necessary safety practices, monitoring, and exposure limits to minimize risks associated with these materials.

Man-made vitreous fibers can pose significant health hazards when inhaled or improperly handled, leading to potential respiratory issues and other health complications. Therefore, this chapter serves as a critical component in ensuring that personnel are aware of the dangers and educated on the appropriate protective measures.

The significance of this chapter underlines the broader importance of safety protocols in environments where such materials are present and emphasizes the role of training in preventing occupational hazards associated with man-made vitreous fibers.