Technicians whose NIOSH-Approved Spirometry Course certificates are dated January 1, 2000, through December 31, 2007, are eligible to complete a NIOSH-Approved Spirometry Refresher Course by March 31, 2013, to maintain a valid NIOSH-Approved Spirometry Course certificate.
Technicians with NIOSH-Approved Spirometry Course certificates dated prior to January 1, 2000, are not eligible to take a NIOSH-Approved Spirometry Refresher Course.
Link to classes on our site.