[1987 Revision]
No person shall cause, suffer, allow or permit
visible smoke to be emitted into the outdoor air from combustion of
fuel in any stationary indirect heat exchanger having a rated hourly
capacity of less than 200 million Btu's gross heat input or discharging
through a stack or chimney having an internal cross-sectional dimension
of less than 60 inches.
[1987 Revision]
The provisions of § BH:9-5.1 shall not apply to smoke which is visible for a period of not longer than three minutes in any consecutive thirty-minute period.
[1987 Revision]
The provisions of this section shall not apply
to direct heat exchangers or manufacturing processes or any motor
vehicle while operating on the public highways.
[1987 Revision]
Any person responsible for the construction,
installation, alteration or use of an indirect heat exchanger shall,
when requested by the Director, provide the facilities and necessary
equipment for determining the density or opacity of smoke being discharged
into the open air.
