Mich. Admin. Code R. 336.1103 - Definitions; C

Rule 103. As used in these rules:

(a) "Calendar day" means a 24-hour time period, which normally is midnight to midnight, but may, upon written notification to the department, cover a different, consecutive 24-hour time period for a specific process.
(b) "Capacity factor" means the ratio of the average load on a machine or equipment for the period of time considered to the capacity rating of the machine or equipment.
(c) "Carcinogen" means either of the following:
(i) Belonging to a category of "carcinogenic to humans," "likely to be carcinogenic to humans," or "suggestive evidence of carcinogenic potential" using the weight of evidence narrative approach as described in United States Environmental Protection Agency's "Guidelines for Carcinogen Risk Assessment" as adopted by reference in R 336.1902.
(ii) Any chemical that has been determined to be a carcinogen using another generally accepted guideline for carcinogen risk assessment based on sound scientific and defensible evidence.
(d) "Charging period," with respect to coke ovens utilizing larry car charging methodology, means the total time taken between the point at which the coal starts flowing into the oven and the point at which the leveling door and the charging holes are closed with their respective lids after the coal from the larry car hoppers is emptied into the oven being charged through the respective charging holes and the coal has been leveled in the oven. "Charging period," with respect to coke ovens utilizing pipeline charging methodology, means the total time taken from the time at which the coal starts flowing into an oven by opening the preheated coal inlet valve to the time at which the coal flow ends when the inlet valve is closed.
(e) "Class II finishes on hardboard paneling" means a finish that meets the specifications of voluntary product standard PS-59-73, as approved by the American National Standards Institute.
(f) "Clean air act" means chapter 360, 69 stat. 322, 42 USC 7401 to 7671q and regulations promulgated under the clean air act.
(g) "Clean charge" means furnace charge materials, including molten metal; t-bar; sow; ingot; billet; pig; alloying elements; uncoated or unpainted thermally dried metal chips; metal scrap dried at 343 degrees Celsius, 650 degrees Fahrenheit, or higher; metal scrap delacquered or decoated at 482 degrees Celsius, 900 degrees Fahrenheit, or higher; other oil and lubricant-free unpainted or uncoated gates and risers; oil and lubricant-free unpainted or uncoated scrap, shapes, or products, pistons for example, that have not undergone any process, for example, machining, coating, painting, that would cause contamination of the metal with oils, lubricants, coatings, or paints; and on-site runaround.
(h) "Clear coating" means a coating that lacks color and opacity or is transparent and uses the undercoat as a reflectant base or undertone color.
(i) "Clinical testing of pharmaceuticals" means human or animal health studies that are conducted consistent with applicable government regulations, guidelines, or directions for approval of a pharmaceutical product, such as those monitored by the United States Food and Drug Administration for the purpose of determining any of the following with respect to a drug:
(i) Pharmacological action.
(ii) Preferred route of administration.
(iii) Safe dosage range.
(iv) Optimum dosage schedule.
(v) Safety and effectiveness.
(vi) Product label indications.
(j) "Coating category" means a type of surface coating for which there is a separate emission limit specified in these rules.
(k) "Coating line" means an operation that is a single series in a coating process and is comprised of 1 or more coating applicators and any associated flash-off areas, drying areas, and ovens wherein 1 or more surface coatings are applied and subsequently dried or cured.
(l) "Coating of automobiles and light-duty trucks" means the application of prime, primer surfacer, topcoat, and final repair to sheet metal and metallic body components during assembly of a vehicle. Examples of these sheet metal and metallic body components include all of the following:
(i) Bodies.
(ii) Fenders.
(iii) Cargo boxes.
(iv) Doors.
(v) Grill openings.
(m) "Coating of cans" means exterior coating and interior spray coating in 2-piece can lines; interior and exterior coating in sheet coating lines for 3-piece cans; side seam spray coating and interior spray coating in can fabricating lines for 3-piece cans; and sealing compound application and sheet coating in end coating lines.
(n) "Coating of coils" means the coating of any flat metal sheet or strip that comes in rolls or coils.
(o) "Coating of fabric" means the application of any type of coating to flat sheets of a textile substrate, including the application of coatings by saturation or impregnation.
(p) "Coating of large appliances" means the coating of the component metal parts of residential and commercial washers, dryers, ranges, refrigerators, freezers, water heaters, dishwashers, trash compactors, air conditioners, and other associated products. Examples of these component metal parts include all of the following:
(i) Doors.
(ii) Cases.
(iii) Lids.
(iv) Panels.
(v) Interior support parts.
(q) "Coating of metal furniture" means the coating of any furniture made of metal and includes the coating of any metal part that is or must be assembled with other metal, wood, fabric, plastic, or glass parts to form a furniture piece.
(r) "Coating of paper" means the application of any decorative, functional, or saturation coating applied across the entire width of any flat sheet or pressure-sensitive tape, regardless of substrate, or applied across a partial width of any flat sheet or pressure-sensitive tape, regardless of substrate, if this partial coverage is not considered to be an operation or series of operations that is included in the definition of graphic arts line in R 336.1107(e). These applications and substrates include paper, fabric, or plastic film; related wet-coating processes on plastic film, including typewriter ribbons, photographic film, and magnetic tape; and decorative coatings on metal foil, including gift wrapping and packaging; paperboard; and pressure sensitive tapes or labels. Coating of paper does not include coatings used in substrate formation within a papermaking system or coatings applied within all printing lines including, but not limited to, those that comply with requirements contained in R 336.1624, R 336.1624a, and R 336.1635.
(s) "Coating of plastic parts of automobiles and trucks" means the coating of any plastic part that is or can be assembled with other parts to form an automobile or truck.
(t) "Coating of plastic parts of business machines" means the coating of any plastic part that is or can be assembled with other parts to form a business machine.
(u) "Coating of vinyl" means any printing, decorative coating, or protective topcoat applied over vinyl-coated fabric or vinyl rolls or sheets. Coating of vinyl does not include the application of plastisols.
(v) "Coke battery" means a series of coke ovens arranged side by side with an integral heating system.
(w) "Coke oven" means a chamber in which coal is destructively distilled to yield coke.
(x) "Cokeside," with respect to a coke oven, means that side of the coke oven through which coke is discharged.
(y) "Coking cycle" means the time during which coal undergoes destructive distillation in a coke oven. The coking cycle commences at the end of the charging period and ends at the beginning of the pushing operation, but does not include any decarbonization periods.
(z) "Cold cleaner" means a tank containing organic solvent with a volatile organic compound content of 5 % or more, by weight, and at a temperature below its boiling point that is used to spray, brush, flush, or immerse metallic or plastic, or both metallic and plastic objects, for the purpose of cleaning or degreasing.
(aa) "Commercial location" means a publicly or privately owned place where persons are engaged in the exchange or sale of goods or services and multiple housing units designed for 3 or more families, except for elementary and secondary schools and facilities owned and operated by this state. A separate building or group of buildings used for the exchange or sale of goods or services and having a single owner and manager constitutes a separate commercial location.
(bb) "Completed organic resin" means organic resin solids, solvents, and additives as deliverable for sale or use, including a dry organic resin.
(cc) "Compliance plan" means a description of the compliance status of a source with respect to all applicable requirements for each process or process equipment as follows:
(i) For applicable requirements with which the source is in compliance, a statement that the source will continue to comply with the requirements.
(ii) For applicable requirements that will become effective during the permit term, a statement that the source will meet the requirements on a timely basis.
(iii) For applicable requirements for which the stationary source is not in compliance at the time of permit issuance, a narrative description of how the stationary source will achieve compliance with the requirements.
(dd) "Component" means 1 of the following, but does not include a valve that is not externally regulated, that is, a valve that has no external controls and thus does not have the potential to leak a volatile organic compound:
(i) As it pertains to the provisions of R 336.1622, component means any piece of equipment that has the potential to leak a volatile organic compound and includes all of the following:
(A) Pump seals.
(B) Compressor seals.
(C) Seal oil degassing vents.
(D) Pipeline valves.
(E) Flanges and other connections.
(F) Pressure-relief devices.
(G) Process drains.
(H) Open ended pipes.
(ii) As it pertains to the provisions of R 336.1628, component means all of the following:
(A) Compressor seals.
(B) Process valves in light liquid or gaseous volatile organic compound service.
(C) Pressure-relief valves in gaseous volatile organic compound service.
(D) Seals of pumps in light liquid service.
(iii) As it pertains to the provisions of R 336.1629, component means all of the following:
(A) Compressor seals.
(B) Process valves.
(C) Pressure-relief valves.
(D) Pump seals.
(ee) "Component in field gas service" means a component that processes, transfers, or contains field gas.
(ff) "Component in gaseous volatile organic compound service" means a component that processes, transfers, or contains a volatile organic compound in the gaseous phase under actual conditions.
(gg) "Component in heavy liquid service" means a component that processes, transfers, or contains heavy liquid.
(hh) "Component in light liquid volatile organic compound service" means a component that contacts a light liquid containing more than 10% volatile organic compound by weight.
(ii) "Component in liquid volatile organic compound service" means a component that processes, transfers, or contains a volatile organic compound in the liquid phase under actual conditions.
(jj) "Condenser" means a device that effects the removal of an air contaminant from an exhaust stream by a physical change of state from a vapor to a liquid or solid form.
(kk) "Control equipment" means air pollution control equipment.
(ll) "Conventional air-atomizing spray equipment" means a device that is designed to atomize and direct fluid material solely through the use of compressed air and is capable of operating at air pressures of more than 10 pounds per square inch.
(mm) "Conveyorized cold cleaner" means any continuous system that transports metallic or plastic, or both metallic and plastic objects through a bath containing organic solvent at a temperature below its boiling point for the purpose of cleaning or degreasing.
(nn) "Conveyorized vapor degreaser" means any continuous system that transports metallic objects through or over, or through and over, a bath containing organic solvent that is heated to its boiling point for the purpose of cleaning or degreasing.
(oo) "Cycle of operation," with respect to continuous emission monitoring systems, means the total time a monitoring system requires to sample, analyze, and record an emission measurement.

Notes

Mich. Admin. Code R. 336.1103
1980 AACS; 1981 AACS; 1985 AACS; 1989 AACS; 1990 AACS; 1992 AACS; 1993 AACS; 1995 AACS; 2003 AACS; 2008 AACS; 2016 AACS; 2025 MR 8, Eff. 4/28/2025

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