Designed to provide the OSHA required refresher training to Construction Site Supervisors and HAZWOPER Supervisors who have already taken the basic 30 or 40 hours courses.
This course can be taken simultaneously with the 8 hour installer refresher or the 8 hour CUSTI refresher. If you take one of those classes you will receive two certificates.

• This training can be provided at your facility or at the MAST classroom in Columbus, Ohio

• Please see the Installer and CUSTI section for dates and class numbers

Classes are no longer limited due to Covid restrictions being lifted!

Class Option Fees