Initially if air monitoring is to determine concentrations of formaldehyde in the work area. If the employer receives reports of signs or symptoms of respiratory or dermal conditions associated with formaldehyde exposure, the employer shall promptly monitor the affected employee's exposure. Periodically if previous monitoring indicated exposure levels at or above the action level. Monitoring will be repeated every 6 months. If the last monitoring indicated exposure levels at or above the short term exposure level, monitoring will be repeated under the worst case conditions at least yearly.
Facilities managers have the option of sampling more frequently than the schedule specified.
An exception is if it can be shown through objective data, that the presence of formaldehyde or formaldehyde-releasing products in the workplace cannot result in airborne concentrations of formaldehyde that would cause any employee to be exposed at or above the action level, or the short term exposure limit, exposure monitoring is not required. F. Medical Surveillance. The content and frequency of any required medical surveillance shall be determined by the Chief Medical Services Division, Department of the Interior. Medical records shall be maintained by the servicing Personnel Office in accordance with current personnel, medical surveillance, medical records, maintenance rule, and regulations.