§ 240.00 Offenses against public order; definitions of terms. The following definitions are applicable to this article: 1. "Public place" means a place to which the public or a substantial group of persons has access, and includes, but is not limited to, high- ways, transportation facilities, schools, places of amusement, parks, playgrounds, community centers, and hallways, lobbies and other portions of apartment houses and hotels not constituting rooms or apartments designed for actual residence. 2. "Transportation facility" means any conveyance, premises or place used for or in connection with public passenger transportation, whether by air, railroad, motor vehicle or any other method. It includes aircraft, watercraft, railroad cars, buses, school buses as defined in section one hundred forty-two of the vehicle and traffic law, and air, boat, railroad and bus terminals and stations and all appurtenances thereto. 3. "School grounds" means in or on or within any building, structure, school bus as defined in section one hundred forty-two of the vehicle and traffic law, athletic playing field, playground or land contained within the real property boundary line of a public or private elementa- ry, parochial, intermediate, junior high, vocational or high school. 4. "Hazardous substance" shall mean any physical, chemical, microbi- ological or radiological substance or matter which, because of its quan- tity, concentration, or physical, chemical or infectious character- istics, may cause or significantly contribute to an increase in mortality or an increase in serious irreversible or incapacitating reversible illness, or pose a substantial present or potential hazard to human health.