N.Y. Comp. Codes R. & Regs. tit. 6, § 247.3
(a) No person shall operate an outdoor wood boiler that does not meet the requirements set forth in this Part.
(b) Prohibited fuels.
No person shall burn any of the following items in an outdoor wood boiler:
(c) No person shall cause or allow emissions of air contaminants from an outdoor wood boiler to the outdoor atmosphere of a quantity, characteristic or duration which is injurious to human, plant or animal life or to property, or which unreasonably interferes with the comfortable enjoyment of life or property. This prohibition applies, but is not limited to, the following conditions:
(3) causing a visible plume migrating from an outdoor wood boiler and contacting a building on an adjacent property.
The prohibition further applies to any particulate, fume, gas, mist, odor, smoke, vapor, toxic or deleterious emission, either alone or in combination with others, emitted from an outdoor wood boiler that results in the conditions or circumstances listed in this subdivision notwithstanding the existence of specific air quality standards or emission limits.