(d) The following are exempt from the requirements of subsection (a), provided that no exemption interferes with the imposition of any requirement of subchapter 5 or the determination of whether a stationary source is subject to any requirement of this chapter. Sources or activities exempt from the requirements of subsection (a) shall not relieve the owner or operator from complying with any other applicable requirement, including provisions of subchapter 2. Any fuel burning equipment identified shall not include equipment burning off-spec used oil or fuel classified as hazardous waste. The director shall reserve the right to disallow any exemption and impose the requirements of subsection (a), if the source or activity requires additional controls or monitoring to ensure compliance with the applicable requirements.
(1) Stationary sources with potential emissions of less than:
(A) 500 pounds per year for each hazardous air pollutant, except lead;
(B) 300 pounds per year for lead;
(C) five tons per year of carbon monoxide;
(D) 3,500 tons per year CO2e for greenhouse gases; and
(E) two tons per year of each regulated air pollutant not already identified above;
(2) All sources and source categories that would be required to obtain a permit solely because they are subject to the 'Standards of Performance for New Residential Wood Heaters,"40 CFR Section
60.530 et seq.;
(3) Any storage tank, reservoir, or other container of capacity equal to or less than forty thousand gallons storing volatile organic compounds, except those storage tanks, reservoirs, or other containers subject to any standard or other requirement pursuant to Sections 111 and 112 of the Act;
(4) Gasoline service stations;
(5) Other than smoke house generators and gasoline fired industrial equipment, fuel burning equipment with a heat input capacity less than one million BTU per hour, or a combination of fuel burning equipment operated simultaneously as a single unit having a total combined heat input capacity of less than one million BTU per hour;
(6) Steam generators, steam superheaters, water boilers, or water heaters, all of which have a heat input capacity of less than five million BTU per hour, and are fired exclusively with one of the following:
(A) Natural or synthetic gas;
(B) Liquified petroleum gas; or
(C) A combination of natural, synthetic, or liquified petroleum gas;
(7) Kilns used for firing ceramic ware heated exclusively by natural gas, electricity, liquid petroleum gas, or any combination of these and have a heat input capacity of ten million BTU per hour or less;
(8) Standby generators used exclusively to provide electricity, standby sewage pump drives, and other emergency equipment used to protect the health and welfare of personnel and the public, all of which are used only during power outages, emergency equipment maintenance and testing, and which:
(A) Are fired exclusively by natural or synthetic gas; or liquified petroleum gas; or fuel oil No. 1 or No. 2; or diesel fuel oil No. ID or No. 2D; and
(B) Do not trigger a PSD or covered source review, based on their potential to emit regulated or hazardous air pollutants;
(9) Landfills, except for operating municipal waste landfills with a design capacity equal to or greater than 1,500,000 metric tons;
(10) Paint spray booths, except for paint spray booths subject to any standard or other requirement pursuant to Section 112(d) of the Act;
(11) Welding booths;
(12) Diesel fired portable industrial equipment less than 200 horsepower in size which is used during power outages or periodically for the equipment's maintenance and repair;
(13) Gasoline fired portable industrial equipment less than:
(A) 25 horsepower; or
(B) 200 horsepower in size which is used during power outages or periodically for the equipment's maintenance and repair;
(14) 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, provided reasonable precautions are taken to prevent particulate matter from becoming airborne. Reasonable precautions include the use of dust collection systems, dust barriers, or containment systems;
(15) Laboratory equipment used exclusively for chemical and physical analyses;
(16) Containers, reservoirs, or tanks used exclusively for dipping operations for coating objects with oils, waxes, or greases where no organic solvents, diluents, or thinners are used; or dipping operations for applying coatings of natural or synthetic resins which contain no organic solvents;
(17) Closed tumblers used for cleaning or deburring metal products without abrasive blasting, and pen tumblers with batch capacity of one thousand pounds or less;
(18) Ocean-going vessels, except for ocean-going vessels subject to any standard or other requirement for the control of air pollution from outer continental shelf sources, pursuant to 40 CFR Part
55 ;
(19) Fire water system pump engines dedicated for fire-fighting and maintaining fire water system pressure, which are operated only during fire fighting and periodically for engine maintenance, and fired exclusively by natural or synthetic gas; or liquified petroleum gas; or fuel oil No. 1 or No. 2; or diesel fuel No. ID or No. 2D;
(20) Smoke generating systems used exclusively for training in government or certified fire fighting training facilities;
(21) Internal combustion engines propelling mobile sources such as automobiles, trucks, cranes, forklifts, front-end loaders, graders, trains, helicopters, and airplanes;
(22) Nonroad engines. Owners of nonroad engines, except for those exempt engines listed in subsection (d) of this section, must maintain a Nonroad Engine Location Log to demonstrate the engine meets subparagraph (1)(C) of the nonroad engine definition of Subchapter 1. The Nonroad Engine Location Log shall include:
(A) Owner's Name;
(B) Engine Manufacturer and Model;
(C) Engine Serial Number;
(D) Engine Date of Manufacture; and
(E) For each location to which the engine is moved, the location of the engine, initial date at the location, and the date moved off the location;
(23) Diesel fired portable ground support equipment used exclusively to start aircraft or provide temporary power or support service to aircraft prior to start-up;
(24) Plant maintenance and upkeep activities (e.g., grounds-keeping, general repairs, cleaning, painting, welding, plumbing, re-tarring roofs, installing insulation, and paving parking lots), including equipment used to conduct these activities, provided these activities are not conducted as part of a manufacturing process, are not related to the source's primary business activity, and are not otherwise subject to an applicable requirement triggering a permit modification;
(25) Fuel burning equipment which is used in a private dwelling or for space heating, other than internal combustion engines, boilers, or hot furnaces;
(26) Ovens, stoves, or grills used solely for the purpose of preparing food for human consumption operated in private dwellings, restaurants, or stores;
(27) Stacks or vents to prevent escape of sewer gases through plumbing traps;
(28) Air conditioning or ventilating systems not designed to remove air pollutants generated by or released from equipment, and that do not involve the open release or venting of CFC's into the atmosphere;
(29) Woodworking shops with a sawdust collection system; and
(30) Other sources as may be approved by the director.