Washington Administrative Code › Title 173 - Ecology, Department of (See also Titles 197, 317, 372, and 508) › Chapter 173-401 - Operating permit regulation › Part V - PERMIT APPLICATIONS › Section 173-401-532 - Categorically exempt insignificant emission units

Current through Register Vol. 24-14, July 15, 2024
(1) General. This section contains lists of
				units and activities that are categorically exempt from this chapter. The
				activities listed in this section may be omitted from the permit
				application.
(2) Mobile transport
				tanks on vehicles, except for those containing asphalt.
(3) Lubricating oil storage tanks.
(4) Storage tanks, reservoirs and pumping and
				handling equipment of any size, limited to soaps, lubricants, hydraulic fluid,
				vegetable oil, grease, animal fat, aqueous salt solutions or other materials
				and processes using appropriate lids and covers where there is no generation of
				objectionable odor or airborne particulate matter.
(5) Pressurized storage of oxygen, nitrogen,
				carbon dioxide, air, or inert gases.
(6) Storage of solid material, dust-free
				handling.
(7) Vehicle exhaust from
				auto maintenance and repair shops.
(8) Vents from continuous emissions monitors
				and other analyzers.
(9) Vents from
				rooms, buildings and enclosures that contain permitted emissions units or
				activities from which local ventilation, controls and separate exhaust are
				provided.
(10) Internal combustion
				engines for propelling or powering a vehicle.
(11) Recreational fireplaces including the
				use of barbecues, campfires and ceremonial fires.
(12) Brazing, soldering and welding equipment
				and oxygen-hydrogen cutting torches for use in cutting metal where in
				components of the metal do not generate HAPs or HAPs precursors.
(13) Atmospheric generators used in
				connection with metal heat treating processes.
(14) Metal finishing or cleaning using
				tumblers.
(15) Metal casting molds
				and molten metal crucibles that do not contain potential HAPs.
(16) Die casting.
(17) Metal or glass heat-treating, in absence
				of molten materials, oils, or VOCs.
(18) Drop hammers or hydraulic presses for
				forging or metalworking.
(19)
				Electrolytic deposition, used to deposit brass, bronze, copper, iron, tin,
				zinc, precious and other metals not listed as the parents of HAPs.
(20) Metal fume vapors from electrically
				heated foundry/forge operations wherein the components of the metal do not
				generate HAPs or HAP precursors. Electric arc furnaces are excluded from
				consideration for listing as insignificant.
(21) Metal melting and molten metal holding
				equipment and operations wherein the components of the metal do not generate
				HAPs or HAP precursors. Electric arc furnaces are not considered for listing as
				insignificant.
(22) Inspection
				equipment for metal products.
(23)
				Plastic and resin curing equipment, excluding FRP.
(24) Extrusion equipment, metals, minerals,
				plastics, grain or wood.
(25)
				Presses and vacuum forming, for curing rubber and plastic products or for
				laminating plastics.
(26) Roller
				mills and calendars, rubber and plastics.
(27) Conveying and storage of plastic
				pellets.
(28) Plastic compression,
				injection, and transfer molding and extrusion, rotocasting, pultrusion,
				blowmolding, excluding acrylics, PVC, polystyrene and related copolymers and
				the use of plasticizer. Only oxygen, carbon dioxide, nitrogen, air, or inert
				gas allowed as blowing agents.
(29)
				Plastic pipe welding.
(30)
				Nonmetallic mineral mines and screening plants except for crushing and
				associated activities that are not subject to  40 C.F.R. Part 60  Subpart 000.
				Quarrying of silica rock and associated activities are not considered for
				listing as insignificant.
(31) Wet
				sand and gravel screening.
(32) Wax
				application.
(33) Plant upkeep
				including routine housekeeping, preparation for and painting of structures or
				equipment, retarring roofs, applying insulation to buildings in accordance with
				applicable environmental and health and safety requirements and paving or
				stripping parking lots.
(34)
				Agricultural activities on a facility's property that are not subject to
				registration or new source review by the permitting authority.
(35) Cleaning and sweeping of streets and
				paved surfaces.
(36) Ultraviolet
				curing processes.
(37) Hot melt
				adhesive application with no VOCs in the adhesive formulation.
(38) Laundering, dryers, extractors, tumblers
				for fabrics, using water solutions of bleach and/or detergents.
(39) Steam cleaning operations.
(40) Steam sterilizers.
(41) Food preparing for human consumption
				including cafeterias, kitchen facilities and barbecues located at a source for
				providing food service on the premises.
(42) Portable drums and totes.
(43) Lawn and landscaping
				activities.
(44) Flares used to
				indicate danger to the public.
(45)
				General vehicle maintenance including vehicle exhaust from repair
				facilities.
(46) Comfort air
				conditioning or air cooling systems, not used to remove air contaminants from
				specific equipment.
(47) Natural
				draft hoods, natural draft stacks, or natural draft ventilators for sanitary
				and storm drains, safety valves, and storage tanks subject to size and service
				limitations expressed elsewhere in this section.
(48) Natural and forced air vents and stacks
				for bathroom/toilet facilities.
(49) Office activities.
(50) Personal care activities.
(51) Sampling connections used exclusively to
				withdraw materials for laboratory analyses and testing.
(52) Firefighting and similar safety
				equipment and equipment used to train firefighters excluding fire drill
				pits.
(53) Materials and equipment
				used by, and activity related to operation of infirmary; infirmary is not the
				source's business activity.
(54)
				Fuel and exhaust emissions from vehicles in parking lots.
(55) Carving, cutting, routing, turning,
				drilling, machining, sawing, surface grinding, sanding, planing, buffing, shot
				blasting, shot peening, sintering or polishing: Ceramics, glass, leather,
				metals, plastics, rubber, concrete, paper stock or wood provided that:
(a) Activity is performed indoors;
(b) Particulate emission control in the
				immediate vicinity of the activity;
(c) Exhaust from the particulate control is
				within the building housing the activity;
(d) No fugitive particulate emissions enter
				the environment.