Unless otherwise expressly defined in this section, the terms used in this regulation shall be defined by reference to Part 0 of this Subchapter (General Definitions). As used in this regulation, the following terms shall, where the context permits, be construed as follows:
"Opacity monitor" means a photoelectric smoke detector which is permanently installed in breeching or stack.
250 R.I. Code R. 250-RICR-120-05-6.5