105 CMR 675.010
Required Notification
Ifair levels ofcarbonmonoxide or nitrogen dioxide exceed the notification air levels of 105 CMR
675.008(B), the operator shall, in addition to taking all actions required by 105 CMR 675.009, notify
the local fire department within one hour, and notify the local board of health and the Bureau within 24
hours, of the reading which indicated that one or both of those air levels were exceeded.