Class I—Portable, packaged, completely assembled, direct-feed incinerators having not over 5 cu ft storage capacity or 25 lb/hr burning rate, suitable for type 2 waste.
Class IA—Portable, packaged or job assembled, direct-feed incinerators having a primary chamber volume of 5 to 15 cu ft or a burning rate of 25 lb/hr up to, but not including, 100 lb/hr of type 0, 1, or 2 waste; or a burning rate of 25 lb/hr up to, but not including, 75 lb/hr of type 3 waste.
Class II—Flue-fed, single chamber incinerators with more than 2 cu ft burning area for type 2 waste. This incinerator type is served by one vertical flue functioning as a chute for both charging waste and carrying the products of combustion to the atmosphere. This incinerator type is installed in apartment or multiple dwellings.
Class IIA—Chute-fed, multiple chamber incinerators for apartment buildings with more than 2 cu ft burning area, suitable for type 1 or 2 waste. (Not recommended for industrial installations). This incinerator type is served by a vertical chute for charging waste from two or more floors above the incinerator and a separate flue for carrying the products of combustion to atmosphere.
Class III—Direct-feed incinerators with a burning rate of 100 lb/hr and more suitable for burning type 0, 1, or 2 waste.
Class IV—Direct-feed incinerators with a burning rate of 75 lb/hr or more suitable for burning a type 3 waste.
Class V—Municipal incinerators suitable for type 0, 1, 2, or 3 waste or a combination of all four wastes and are rated in tons per hour or tons per twenty-four hours.
Class VI—Crematory and pathological incinerators suitable for burning type 4 waste.
Class VII—Incinerators designed for specific by-product waste, type 5 or 6.
Note: For waste type numbers, see Tables 10.11.2 and 10.11.3.
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