Fit Testing Workshop - 2 Days - Please contact Roy McKay at info@DrMcKay.com to register for this class. In-Person CourseThis course is planned to meet in-person. More information, please E-Mail the address listed in the "Course Location" listed below.. Description: Fit Testing Workshop - 2 Days - Please contact Roy McKay at info@DrMcKay.com to register for this class. Instructor(s): Roy McKay, Ph.D. - Instructor Start Date: October 20, 2021 End Date: October 21, 2021