- This event has passed.
CAOHC Approved Occupational Hearing Conservation Certification Course
March 17 @ 8:00 am - March 21 @ 5:00 pm
Online: March 17-21
On Site: Davenport, Iowa: March 20
Altoona, IA: March 21
Brochure and registration information: 2025.3 Hybrid CAOHC certification