The correct answers are B, C, and D because CCPS emphasizes that Workforce Involvement includes engaging operators in activities where their practical knowledge and experience improve process safety systems .
Option B is correct because operators can contribute to the design and improvement of refresher training programs . Their real-world experience helps ensure that training is relevant, practical, and focused on actual operating challenges.
Option C is also correct because operators are often best positioned to review operating procedures for accuracy and usability . They can identify unclear instructions, missing steps, or impractical guidance, improving procedural quality and reducing human error.
Option D is correct because operators may participate in audits , providing insights into how procedures and systems are implemented in practice. Their involvement enhances audit effectiveness by incorporating frontline perspectives.
Option A is incorrect because sizing pressure relief devices is a specialized engineering task requiring technical design expertise beyond typical operator responsibilities.
CCPS highlights that workforce involvement should leverage frontline knowledge , improve system design, and foster ownership of process safety, while ensuring that technical tasks remain with appropriately qualified personnel.
