Mississippi Administrative Code › Title 11 - Mississippi Department of Environmental Quality › Part 2 - Air Regulations › Chapter 6 - Mississippi Commission on Environmental Quality, Air Emissions Operating Permit Regulations for the Purposes of Title V of the Federal Clean Air Act (Adopted October 27, 1993, Last Amended June 28, 2012) › Rule 11-2-6.7 - Insignificant Activities and Emissions

Current through June 25, 2024
A. The following
				activities/emissions sources are not required to be included in a Title V
				permit application:
(1) new or modified pilot
				plants, subject to temporary source regulations located in Rule
				6.3.E.
(2) maintenance and upkeep:
(a) maintenance, structural changes, or
				repairs which do not change the capacity of such process, fuel-burning,
				refuse-burning, or control equipment, and do not involve any change in quality,
				nature, or quantity of potential emissions of any regulated air pollutants;
				and
(b) housekeeping activities or
				building maintenance procedures;
(3) air conditioning or ventilation: comfort
				air conditioning or comfort ventilating systems which do not transport, remove,
				or exhaust regulated air pollutants to the atmosphere;
(4) laboratory equipment:
(a) laboratory equipment used exclusively for
				chemical or physical analysis for quality control or environmental monitoring
				purposes; or
(b) non-production
				laboratory equipment used at non-profit health or non-profit educational
				institutions for chemical or physical analyses, bench scale experimentation or
				training, or instruction;
(5) hot water heaters which are used for
				domestic purposes only and are not used to heat process water;
(6) fuel use related to food preparation by a
				restaurant, cafeteria, residential cooker or barbecue grill where the products
				are intended for human consumption;
(7) clerical activities such as operating
				copy machines and document printers, except operation of such units on a
				commercial basis;
(8) hand held
				equipment used for buffing, polishing, carving, cutting, drilling, machining,
				routing, sanding, sawing, surface grinding, or turning of ceramic art work,
				precision parts, leather, metals, plastics, fiber board, masonry, carbon,
				glass, or wood;
(9) equipment for
				washing or drying fabricated glass or metal products, if no VOCs are used in
				the process and no oil or solid fuel is burned;
(10) water cooling towers (except at nuclear
				power plants); water treatment systems for process cooling water or boiler feed
				water; and water tanks, reservoirs, or other water containers not used in
				direct contact with gaseous or liquid process streams containing carbon
				compounds, sulfur compounds, halogens or halogen compounds, cyanide compounds,
				inorganic acids, or acid gases;
(11) domestic sewage treatment facilities
				(excluding combustion or incineration equipment, land farms, storage silos for
				dry material, or grease trap waste handling or treatment facilities);
(12) stacks or vents to prevent escape of
				sewer gases through plumbing traps;
(13) vacuum cleaning systems for
				housekeeping, except at a source with hazardous air pollutants;
(14) alkaline/phosphate washers and
				associated cleaners and burners;
(15) mobile sources;
(16) livestock and poultry feedlots and
				associated fuel burning equipment other than incinerators;
(17) outdoor kerosene heaters;
(18) equipment used for hydraulic or
				hydrostatic testing;
(19) safety
				devices, excluding those with continuous emissions; and
(20) brazing, soldering, or welding equipment
				that is used intermittently or in a non-continuous mode.