wichita.edu
…Safety and Health Administration (OSHA) Occupational Noise Exposure Standard (29 CFR 1910.95), Wichita State University (WSU) shall take all precautions reasonable to protect employees from hazardous noise exposure in the workplace. OSHA identifies that a hazardous level of noise exposure is an eight-hour time weighted average exposure of 85 decibels.…
https://www.wichita.edu/services/environmental_health_and_safety/hearing_protection.php