S.C. Code Regs. § § 61-62.5.5.II

Current through Register Vol. 48, No. 10, October 25, 2024

Section 61-62.5.5.II - PROVISIONS FOR SPECIFIC SOURCES

Part A. Surface Coating of Cans

1. Emission Limitations

No owner or operator of a can coating application system subject to this Part may cause, allow, or permit the discharge into the atmosphere of any VOC in excess of the following levels:

a. 2.8 pounds per gallon (lb/gal) (0.34 kg per liter (kg/L)) of coating, excluding water and exempt solvents, delivered to the coating applicator from sheet basecoat (exterior and interior) and overvarnish or two-piece can exterior (basecoat and overvarnish) operations.

b. 4.2 lb/gal (0.51 kg/L) of coating, excluding water and exempt solvents, delivered to the coating applicator from two and three-piece can interior body spray and two-piece can exterior end (spray or roll coat) operations.

c. 5.5 lb/gal (0.66 kg/L) of coating, excluding water and exempt solvents, delivered to the coating applicator from three-piece can side-seam spray operations.

d. 3.7 lb/gal (0.44 kg/L) of coating, excluding water and exempt solvents, delivered to the coating applicator from end sealing compound operations.

2. Control Technology

a. The emission limitations in Paragraph 1 of this Part can be achieved by:

(i) The application of low solvent coating technology;

(ii) Incineration, provided that 90 percent of the nonmethane VOC (VOC measured as total combustible carbon) which enter the incinerator are oxidized to carbon dioxide and water; or

(iii) Carbon bed solvent recovery system; or

(iv) Alternative controls as allowed under Section I, Part C above; and

(v) A capture system must be used in conjunction with emission control equipment systems. The design and operation of a capture system must be consistent with good engineering practice, and shall be required to provide for an overall VOC emission reduction efficiency sufficient to meet the emission limitations in Paragraph 1 of this Part.

b. Compliance may be demonstrated by a 24-hour weighted average of emissions from two (2) or more coatings having the same emission limits for the same type of operation on the same line. Averaging times of longer than 24 hours are not allowed.

3. Compliance Schedules

a. The owner or operator of a VOC source subject to this Part shall meet one of the following schedules as applicable:

(i) A source utilizing emission control equipment and/or replacement process equipment and/or modification of existing process equipment to comply with Paragraph 1 of this Part shall comply with Schedule 1 of Section I, Part D above.

(ii) A source utilizing low solvent technology where the Department determines that low solvent content coating technology has been sufficiently researched and developed for a particular application to comply with emission limitations in Paragraph 1 of this Part shall comply with Schedule 2 of Section I, Part D above.

(iii) A source utilizing low solvent technology which does not qualify under (ii) above to comply with emission limitations in Paragraph 1 of this Part shall comply with Schedule 3 of Section I, Part D above.

b. Any owner or operator of a source subject to any compliance schedule shall certify to the Department within five (5) days after the deadline for each increment of progress, whether the required increment of progress has been met.

Part B. Surface Coating of Coils

1. Emission Limitations

No owner or operator of a coil coating application system subject to this Part may cause, allow, or permit the discharge into the atmosphere of any VOC in excess of 2.6 lb/gal (0.31 kg/L) of coating, excluding water, delivered to the coating applicator from prime and topcoat or single coat operations.

2. Control Technology

a. The emission limitation in Paragraph 1 of this Part can be achieved by:

(i) The application of low solvent technology; or

(ii) Incineration, provided that 90 percent of the nonmethane VOC (VOC measured as total combustible carbon) which enter the incinerator are oxidized to carbon dioxide and water; or

(iii) Carbon bed solvent recovery system; or

(iv) Alternative controls as allowed under Section I, Part C above;

b. Compliance may be demonstrated by 24-hour weighted averaging of emissions for two (2) or more coatings having the same emission limits from the same type of operation on the same line. Averaging times of longer than 24 hours are not allowed.

3. Compliance Schedules

a. The owner or operator of a VOC source subject to this Part shall meet one of the following schedules as applicable:

(i) Sources utilizing emission control equipment and/or replacement process equipment and/or modification of existing process equipment to comply with Paragraph 1 of this Part shall comply with Schedule 1 of Section I, Part D above.

(ii) Sources utilizing low solvent technology where the Department determines that low solvent content coating technology has been sufficiently researched and developed for a particular application to comply with emission limitations in Paragraph 1 of this Part shall comply with Schedule 2 of Section I, Part D above.

(iii) Sources utilizing low solvent technology which does not qualify under (ii) above to comply with emission limitations in Paragraph 1 of this Part shall comply with Schedule 3 of Section I, Part D above.

Part C. Surface Coating of Paper, Vinyl, and Fabric

1. Emission Limitations

No owner or operator of a fabric, vinyl, or paper coating application system, including saturation processes, subject to this Part may cause, allow, or permit the discharge into the atmosphere of any VOC in excess of the following levels;

a. 2.9 lb/gal (0.35 kg/L) of coating, excluding water and exempt solvents, delivered to the fabric or paper coating applicator system;

b. 3.8 lb/gal (0.45 kg/L) of coating, excluding water and exempt solvents, delivered to the vinyl coating applicator system.

2. Control Technology

a. The emission limitations in Paragraph 1 of this Part can be achieved by:

(i) The application of low solvent technology; or

(ii) Incineration, provided that 90 percent of the nonmethane VOC (VOC measured as total combustible carbon) which enter the incinerator are oxidized to carbon dioxide and water; or

(iii) Carbon bed solvent recovery system; or

(iv) Alternative controls as allowed under Section I, Part C above;

b. Compliance may be demonstrated by a 24-hour weighted average of emissions for two (2) or more coatings having the same emission limits for the same type of operation on the same line. Averaging time of longer than 24 hours are not allowed.

3. Compliance Schedules

a. The owner or operator of a VOC source subject to this Part shall meet one of the following schedules as applicable:

Part D. Surface Coating of Metal Furniture and Large Appliances

1. Emission Limitations

No owner or operator of a metal furniture or a large appliance coating application system subject to this Part may cause, allow, or permit the discharge into the atmosphere of any VOC in excess of the following levels:

a. 3.0 lb/gal (0.36 kg/L) of coating, excluding water and exempt solvents, delivered to the coating applicator from prime and topcoat or single coat operation from a metal furniture coating application system;

b. 2.8 lb/gal (0.34 kg/L) of coating, excluding water and exempt solvents, delivered to the coating applicator from prime, single, or topcoat from a large appliance coating application system. This emission limit will not apply to the use of quick-drying lacquers for repair of scratches and nicks that occur during assembly, provided that the volume of coating does not exceed 1 quart (0.95 liters) in any one 8-hour period.

2. Control Technology

a. The emission limitations in Paragraph 1 of this Part can be achieved by:

(i) The application of low solvent content coating technology; or

(ii) Incineration, provided that 90 percent of the nonmethane VOC (VOC measured as total combustible carbon) which enter the incinerator are oxidized to carbon dioxide and water; or

(iii) Carbon bed solvent recovery system; or

(iv) Alternative controls as allowed under Section I, Part C above;

b. Compliance may be demonstrated by a 24-hour weighted average of emissions for two (2) or more coatings having the same type of operation on the same line. Averaging times of longer than 24 hours are not allowed.

3. Compliance Schedules

a. The owner or operator of a VOC source subject to this Part shall meet one of the following schedules as applicable:

Part E. Surface Coating of Magnet Wire

1. Emission Limitations

No owner or operator of a magnet wire coating oven subject to this Part may cause, allow, or permit the discharge into the atmosphere of any VOC in excess of 1.7 lb/gal (0.20 kg/L) of coating, excluding water and exempt solvents, delivered to the coating applicator from magnet wire coating operations.

2. Control Technology

a. The emission limitations in Paragraph 1 of this Part can be achieved by:

(i) The application of low solvent content coating technology; or

(ii) Incineration, provided that 90 percent of the nonmethane VOC (VOC measured as total combustible carbon) which enter the incinerator are oxidized to carbon dioxide and water; or

(iii) Carbon bed solvent recovery system; or

(iv) Alternative controls as allowed under Section I, Part C above;

3. Compliance Schedules

a. The owner or operator of a VOC source subject to this Part shall meet one of the following schedules as applicable:

Part F. Surface Coating of Miscellaneous Metal Parts and Products

1. Applicability

a. This Standard will apply to plants whose operations include at least one of the affected sources in Paragraph b below.

b. Affected sources include those which utilize coating application systems for miscellaneous metal parts and products in the following industries:

(i) Large Farm Machinery;

(ii) Small Farm Machinery;

(iii) Small Appliances;

(iv) Commercial Machinery;

(v) Industrial Machinery;

(vi) Fabricated Metal Products;

(vii) Any other industrial category which coats metal parts or products under the Standard Industrial Classification Code of Major Group 33 (primary metal industries), Major Group 34 (fabricated metal products), Major Group 35 (non-electric machinery), Major Group 36 (electric machinery), Major Group 37 (transportation equipment), Major Group 38 (miscellaneous instruments), and Major Group 39 (miscellaneous manufacturing industries);

c. Not included is the surface coating of the following metal parts and products:

(i) Automobiles and light duty trucks;

(ii) Metal cans;

(iii) Flat metal sheets and strips in the form of rolls or coils;

(iv) Magnet wire for use in electrical machinery;

(v) Metal furniture;

(vi) Large appliances;

(vii) Exterior of airplanes;

(viii) Automobile refinishing;

(ix) Customized coating of automobiles and trucks, if production is less than 35 vehicles per day; and

(x) Exterior of marine vessels.

2. Emission Limitations

No owner or operator of a miscellaneous metal parts and products coating application system subject to this Part may cause, allow, or permit the discharge into the atmosphere of any VOC in excess of the following levels;

a. 0.52 kg/L (4.3 lb/gal) of coating, excluding water and exempt solvents, delivered to a coating applicator that applies clear coatings;

b. 0.42 kg/L (3.5 lb/gal) of coating, excluding water and exempt solvents, delivered to a coating applicator in a coating application system that utilizes air dried or forced warm air dried at temperatures up to 90 degrees C (194 degrees F);

c. 0.42 kg/L (3.5 lb/gal) of coating, excluding water and exempt solvents, delivered to a coating applicator that applies extreme performance coatings; and

d. 0.36 kg/L (3.0 lb/gal) of coating, excluding water and exempt solvents, delivered to a coating applicator for all other coatings and coating application systems.

e. If more than one emission limitation in Paragraph 2 applies to a specific coating, then the least stringent emission limitation shall be applied.

3. Control Technology

a. The emission limits set forth in Paragraph 2 can be achieved by:

(i) The application of low solvent content coating technology; or

(ii) Incineration, provided that 90 percent of the nonmethane VOC (VOC measured as total combustible carbon) which enter the incinerator are oxidized to carbon dioxide and water; or

(iii) Carbon bed solvent recovery system; or

(iv) Alternative controls as allowed under Section I, Part C above;

b. Compliance may be demonstrated by 24-hour weighted average of emissions for two (2) or more coatings having the same emission limits for the same type of operation on the same line. Averaging times of longer than 24 hours are not allowed.

4. Compliance Schedules

a. The owner or operator of a source of VOC subject to this Part shall meet one of the following schedules as applicable:

(i) A source utilizing low solvent content coatings to comply with the emission limitations in Paragraph 2 shall comply with Schedule 2 of Section I, Part D above.

(ii) A source utilizing process equipment changes or add-on control devices, including incineration with or without heat recovery, or process modifications not requiring purchase orders to comply with the emission limitations in Paragraph 2 shall comply with Schedule 1 of Section I, Part D above.

Part G. Surface Coating of Flat Wood Paneling

1. Applicability

Affected plants include all flat wood manufacturing operations which produce:

a. Printed interior panels made of hardwood plywood and thin particleboard; or

b. Natural finish hardwood plywood panels; or

c. Paneling with Class II finishes.

d. Not included is the manufacture of exterior siding, tileboard, or particleboard used as a furniture component.

2. Emission Limitations

No owner or operator of a flat wood paneling coating application system subject to this Part may cause, allow, or permit the discharge into the atmosphere of any VOC in excess of the following levels:

a. 2.9 kg per 100 square meters (kg/100 m²) of coated finished product (6.0 lb/1,000 square feet (ft²)) from printed interior panels, regardless of the number of coats applied;

b. 5.8 kg/100 m² of coated finished product (12.0 lb/1,000 ft²) from natural finish hardwood plywood panels, regardless of the number of coats applied; and

c. 4.8 kg/100 m² of coated finished product (10.0 lb/1,000 ft²) from Class II finishes on hardboard panels, regardless of the number of coats applied.

3. Control Technology

a. The emission limits in Paragraph 2 of this Part can be achieved by:

(i) The application of low solvent content coating technology; or

(ii) Incineration, provided that 90 percent of the nonmethane VOC (VOC measured as total combustible carbon) which enter the incinerator are oxidized to carbon dioxide and water; or

(iii) Carbon bed solvent recovery system, or

(iv) Alternative controls as allowed under Section I, Part C above;

(v) A capture system must be used in conjunction with emission equipment control systems. The design and operation of a capture system must be consistent with good engineering practice and shall be required to provide for an overall emission reduction efficiency sufficient to meet the emission limitations in Paragraph 2 of this Part.

4. Compliance Schedules

a. The owner or operator of a source of VOC subject to this Part shall meet one of the following schedules as applicable:

(i) Sources utilizing low solvent content coatings to comply with the emission limitations in Paragraph 2 of this Part shall comply with Schedule 2 of Section I, Part D above.

(ii) Sources utilizing process equipment changes or add-on control devices, including incineration with or without heat recovery, (or process modification not requiring purchase orders) to comply with the emission limitations in Paragraph 2 of this Part shall comply with Schedule 1 of Section I, Part D above.

b. The owner or operator of a source subject to any compliance schedule shall certify to the Department within five (5) days after the deadline for each increment of progress, whether the required increment of progress has been met.

Part H. Graphic Arts--Rotogravure and Flexography

1. Applicability

Affected plants include all packaging rotogravure, publication rotogravure, and flexographic printing operations. Potential emissions are calculated on historical records of actual consumption of solvent and ink.

2. Emission Limitations

No owner or operator of a packaging rotogravure, publication rotogravure, or flexographic printing operation subject to this Part may cause, allow, or permit the discharge into the atmosphere of any VOC unless:

a. The volatile fraction of water-borne inks, as applied to the substrate, contains 25 percent by volume or less of organic solvent and 75 percent by volume or more of water for heavy coverage.

b. The source achieves a 70 percent by volume overall reduction of solvent usage as compared to all solvent-borne ink usage for light coverage.

c. The source prints with high solids ink which contains, less water, 60 percent by volume or more nonvolatile materials.

3. Control Technology

The emission limitations in Paragraph 2 of this Part can be achieved by:

a. The application of low solvent content coating technology;

b. A carbon adsorption system;

c. Incineration;

d. An alternative VOC emission reduction system.

e. A capture system must be used in conjunction with the control equipment systems and provide for an overall VOC emission reduction of at least:

(i) 75 percent where a publication rotogravure process is employed;

(ii) 65 percent where a packaging rotogravure process is employed; and

(iii) 60 percent where a flexographic printing process is employed.

f. Alternative controls as allowed under Section I, Part C above.

4. Compliance Schedules

a. The owner or operator of a source of VOC subject to this Part must comply with Schedule 1 of Section I, Part D above.

Part I. through Part M. (Reserved for future use.)

Part N. Solvent Metal Cleaning

1. Applicability

a. This Standard will apply in the following manner:

(i) Control System A shall apply to cold cleaning, open top vapor degreasing and conveyorized degreasing operation, if the plant is located in a non-designated county and uses more than 100 tpy of solvents plant-wide based upon annual solvent purchase records.

(ii) Control System B shall apply to cold cleaning, open top vapor degreasing and conveyorized degreasing operations, if the plant is located in a nonattainment county and uses more than 100 tpy of solvents plant-wide based upon annual solvent purchase records.

b. In lieu of meeting the requirements of Paragraph (1)(a)(i) above, a plant in a non-designated county may choose to retain all solvent purchase and return records, including, making them available to the Department and if the potential loss to the ambient air, by evaporation or by other means, of solvent is less than 100 tpy, then the plant is exempted from Control System A requirements. Potential loss for this purpose shall be determined by subtracting returned solvent from purchased solvent.

c. The provision of this Part shall apply with the following exceptions:

(i) Open top vapor degreasers with an open area smaller than one square meter (10.8 ft² shall be exempt from Paragraphs (3)(b)(iii)(b) and (3)(b)(iii)(d) of this Part.

(ii) Conveyorized degreasers with an air/vapor interface smaller than 2.0 square meters (21.6 ft²) shall be exempt from Paragraph (4)(b)(iii) of this Part.

2. Control Provisions for Cold Cleaning

Except as provided under Paragraph (1)(c) of this Part, the owner or operator of a cold cleaning operation shall:

a. For Control System A;

(i) Equip the cleaner with a cover; and

(ii) Equip the cleaner with some means for draining cleaned parts; and

(iii) Provide a permanent, conspicuous label, summarizing the operating requirements; and

(iv) Drain the cleaned parts for at least 15 seconds or until dripping ceases; and

(v) Close degreaser cover whenever parts are not handled in the cleaner; and

(vi) Store waste solvent only in covered containers; and

(vii) Do not dispose of waste solvent nor transfer it to another party, such that greater than 20 percent of the waste (by weight) can evaporate into the atmosphere.

b. For Control System B;

(i) Equip the cleaner with a cover and the cover shall be so designed that it can be easily operated with one hand; if,

(a) The solvent volatility is greater than 2 kPA (15 millimeters of mercury (mmHg) or 0.3 psi) measured at 38 degrees C (100 degrees F); or

(b) The solvent is agitated; or

(c) The solvent is heated; and

(ii) Equip the cleaner with some means for draining cleaned parts and the drainage mechanism shall be constructed internally so that parts are enclosed under the cover while draining if the solvent volatility is greater than 4.3 kPA (32 mmHg or 0.6 psi) measured at 38 degrees C (100 degrees F), except that the drainage mechanism may be external for applications where an internal type cannot fit into the cleaning system; and

(iii) Install one of the following control devices if the solvent volatility is greater than 4.3 kPA (33 mmHg or 0.6 psi) measured at 38 degrees C (100 degrees F), or if the solvent is heated above 50 degrees C (122 degrees F);

(a) Freeboard that gives a freeboard ratio greater than or equal to 0.7; or

(b) Water cover (solvent must be insoluble in water and heavier than water); or

(c) Other systems of equivalent control, such as refrigerated chiller or carbon adsorption, approved by the Department; and

(iv) Provide a permanent, conspicuous label, summarizing the operating requirements; and

(v) Store waste solvent only in covered containers and not dispose of waste solvent or transfer it to another party, such that greater than 20 percent of the waste solvent (by weight) can evaporate into the atmosphere; and

(vi) Close the cover whenever parts are not being handled in the cleaner; and

(vii) Drain the cleaned parts for at least 15 seconds or until dripping ceases; and

(viii) If used, supply a solvent spray that is a solid fluid stream (not a fine, atomized or shower type spray) at a pressure which does not cause excessive splashing.

3. Control Provisions for Vapor Degreasers

Except as provided under Paragraph (1)(c) of this Part, the owner or operator of an open top degreaser shall:

a. For Control System A;

(i) Equip the vapor degreaser with a cover that can be opened and closed easily without disturbing the vapor zone; and

(ii) Keep the cover closed at all times except when processing work loads through the degreaser; and

(iii) Minimize solvent carryout by:

(a) Racking parts to allow complete drainage; and

(b) Moving parts in and out of the degreaser at less than 3.3 meters per minute (m/min) (11 feet per minute (ft/min)); and

(c) Holding the parts in the vapor zone at least 30 seconds or until condensation ceases; and

(d) Tipping out any pools of solvent on the cleaned parts before removal from the vapor zone; and

(e) Allowing parts to dry within the degreaser for at least 15 seconds or until visually dry; and

(iv) Not degrease porous or absorbent materials, such as cloth, leather, wood, or rope; and

(v) Not occupy more than half of the degreaser's open top area with a workload; and

(vi) Not load the degreaser to the point where the vapor level would drop more than 10 centimeters (4 inches) when the workload is removed from the vapor zone; and

(vii) Always spray below the vapor level; and

(viii) Repair solvent leaks immediately, or shut down the degreaser; and

(ix) Store waste solvent only in covered containers and not dispose of waste solvent or transfer it to another party, such that greater than 20 percent of the waste solvent (by weight) can evaporate into the atmosphere; and

(x) Not operate the cleaner so as to allow water to be visually detectable in solvent exiting the water separator; and

(xi) Not use ventilation fans near the degreaser opening, nor provide exhaust ventilation exceeding 20 cubic meters per minute per square meter (65 cubic feet per minute per square foot) of degreaser open area, unless necessary to meet the Occupational Safety and Health Administration (OSHA) requirements.

b. For Control System B;

(i) Equip the vapor degreaser with a cover that can be opened and closed easily without disturbing the vapor zone; and

(ii) Provide the following safety switches:

(a) A condenser flow switch and thermostat which shut off the pump heat if the condenser coolant is either not circulating or too warm; and

(b) A spray safety switch which shuts off the spray pump if the vapor level drops more than 10 centimeters (4 inches); and

(iii) Install one of the following control devices:

(a) Powered cover, if the freeboard ratio is greater than or equal to 0.75, and if the degreaser opening is greater than 1 m² (10 ft²); or

(b) Refrigerated chiller; or

(c) Enclosed design (cover or door opens only when the dry part is actually entering or exiting the degreaser); or

(d) Carbon adsorption system with ventilation greater than or equal to 15 cubic meters per minute per square meter (50 cubic feet per minute per square foot) of air/vapor area (when cover is open), and exhausting less than 25 parts per million (ppm) of solvent averaged over one complete adsorption cycle; or

(e) A control system, demonstrated to have control efficiency equivalent to or greater than any of the above, and approved by the Department; and

(iv) Attach a permanent, conspicuous label, summarizing operating procedures (v) to (x) below.

(v) Keep the cover closed at all times except when processing work loads through the degreaser; and

(vi) Minimize solvent carryout by:

(a) Racking parts to allow complete drainage;

(b) Moving parts in and out of the degreaser at less than 3.3 m/min (11 ft/min); and

(c) Holding the parts in the vapor zone at least 30 seconds or until condensation ceases; and

(d) Tipping out any pools of solvent on the cleaned parts before removal from the vapor zone; and

(e) Allowing parts to dry within the degreaser for at least 15 seconds or until visually dry; and

(vii) Not degrease porous or absorbent materials, such as cloth, leather, wood or rope; and

(viii) Not occupy more than half of the degreaser's open top area with a workload; and

(ix) Not load the degreaser to the point where the vapor level would drop more than 10 centimeters (4 inches) when the workload is removed from the vapor zone; and

(x) Always spray below the vapor level; and

(xi) Repair solvent leaks immediately, or shut down the degreaser; and

(xii) Store waste solvent only in covered containers and not dispose of waste solvent or transfer it to another party, such that greater than 20 percent of the waste solvent (by weight) can evaporate into the atmosphere; and

(xiii) Not operate the cleaner so as to allow water to be visually detectable in solvent exiting the water separator; and

(xiv) Not use ventilation fans near the degreaser opening, nor provide exhaust ventilation exceeding 20 cubic meters per minute per square meter (65 cubic feet per minute per square foot) of degreaser open area, unless necessary to meet OSHA requirements.

4. Control Provisions for Conveyorized Degreasers

Except as provided under Paragraph (1)(c) of this Part the owner or operator of the conveyorized degreasers shall:

a. For Control System A;

(i) Not use workplace fans near the degreaser opening, nor provide exhaust ventilation exceeding 20 cubic meters per minute per square meter (65 cubic feet per minute per square foot) of degreaser opening, unless necessary to meet OSHA requirements; and

(ii) Minimize carryout emissions by:

(a) Racking parts for best drainage; and

(b) Maintaining the vertical conveyor speed at less than 3.3 m/min (11 ft/min); and

(iii) Store waste solvent only in covered containers and not dispose of waste solvent nor transfer it to another party, such that greater than 20 percent of the waste solvent (by weight) can evaporate into the atmosphere; and

(iv) Repair solvent leaks immediately, or shut down the degreaser; and

(v) Not operate the cleaner so as to allow water to be visually detectable in solvent exiting the water separator.

b. Or Control System B:

(i) Install one of the following control devices:

(a) Refrigerated chiller; or

(b) Carbon adsorption system, with ventilation greater than or equal to 15 cubic meters per minute per square meter (50 cubic feet per minute per square foot) of air/vapor area (when downtime covers are open), and exhausting less than 25 ppm of solvent by volume averaged over a complete adsorption cycle; or

(c) A system, demonstrated to have a control efficiency equivalent to or greater than Paragraphs (4)(b)(i)(a) or (4)(b)(i)(b) of this Part, and approved by the Department; and

(ii) Equip the cleaner with equipment, such as a drying tunnel or rotating (tumbling) basket, sufficient to prevent cleaned parts from carrying out solvent liquid or vapor; and

(iii) Provide the following safety switches:

(a) A condenser flow switch and thermostat which shuts off the pump heat if the condenser coolant is either not circulating or too warm; and

(b) A spray safety switch which shuts off the spray pump or the conveyor if the vapor level drops more than 10 centimeters (4 inches); and

(c) A vapor level control thermostat which shuts off the pump heat when the vapor level rises too high; and

(iv) Minimize openings during operation so that entrance and exits will silhouette workloads with an average clearance between the parts and the edge of the degreaser opening of less than 10 centimeters (4 inches) or less than 10 percent of the width of the opening; and

(v) Provide downtime covers for closing off the entrance and exit during shutdown hours; and

(vi) Not use workplace fans near the degreaser opening, nor provide exhaust ventilation exceeding 20 cubic meters per minute per square meter (65 cubic feet per minute per square foot) of degreaser opening, unless necessary to meet OSHA requirements; and

(vii) Minimize carryout emissions by:

(a) Racking parts for best drainage; and

(b) Maintaining the vertical conveyor speed at less than 3.3 m/min (11 feet per minute); and

(viii) Store waste solvent only in covered containers and not dispose of waste solvent nor transfer it to another party, such that greater than 20 percent of the waste solvent (by weight) can evaporate into the atmosphere; and

(ix) Repair solvent leaks immediately, or shut down the degreaser; and

(x) Not operate the cleaner so as to allow water to be visually detectable in solvent exiting the water separator; and

(xi) Place downtime covers over entrances and exits of conveyorized degreasers immediately after the conveyors and exhausts are shut down and not remove them until just before start-up.

5. Compliance Schedule

a. The owner or operator of a volatile organic compound source subject to this Part shall comply with Schedule 1 of Section I, Part D above.

Part O. Petroleum Liquid Storage in Fixed Roof Tanks

1. Applicability

Affected sources include all fixed roof storage vessels with capacities of 40,000 gal (151,412 L) and larger which contain volatile petroleum liquids whose true vapor pressure is greater than 1.52 psi (10.5 kPA).

2. Control Provisions

No owner or operator shall permit petroleum liquid storage in fixed roof tanks unless:

a. The source has been retrofitted with an internal floating roof equipped with a closure seal, or seals, to close the space between the roof edge and tank wall; or

b. The source has been retrofitted with equally effective alternative control approved by the Department; and

c. The source is maintained such that there are no visible holes, tears, or other openings in the seal or any seal fabric or materials; and

d. All openings except stub drains are equipped with covers, lids, or seals such that;

(i) The cover, lid, or seal is in the closed position at all times except when in actual use; and

(ii) Automatic bleeder vents are closed at all times except when the roof is floated off or landed on the roof leg supports; and

(iii) Rim vents, if provided, are set to open when the roof is being floated off the roof leg supports or at the manufacturer's recommended setting; and

e. Routine inspections are conducted through roof hatches once per month; and a complete inspection of cover and seal is conducted whenever the tank is emptied for nonoperational reasons or once per year; and

f. Records are maintained in accordance with Section I, Part F above that shall include:

(i) Reports of results of inspections; and

(ii) Average monthly storage temperatures and true vapor pressures of petroleum liquids stored; and

(iii) Throughput quantities and types of petroleum liquids for each storage vessel.

3. Compliance Schedules

a. The owner or operator of a VOC source subject to this Part shall comply with Schedule 1 of Section I, Part D above.

b. Any owner or operator of source subject to any compliance schedule shall certify to the Department within five (5) days after the deadline for each increment of progress, whether the required increment of progress has been met.

Part P. Petroleum Liquid Storage in External Floating Roof Tanks

1. Applicability

a. Affected sources include all petroleum liquid storage vessels equipped with external floating roofs and having capacities greater than 150,000 L (39,600 gal).

b. This Part does not apply to petroleum liquid storage vessels which:

(i) Contain a petroleum liquid with a true vapor pressure less than 27.6 kPa (4.0 psi) and are of welded construction presently possessing a metallic-type shoe seal, a liquid-mounted foam seal, a liquid mounted, liquid filled type seal, or other closure device of demonstrated equivalence approved by the Department; or

(ii) Are of welded construction, equipped with a metallic-type shoe primary seal and has a secondary seal from the top of the shoe seal to the tank wall (shoe-mounted secondary seal).

2. Control Provisions

No owner or operator of a petroleum liquid storage vessel subject to this Part shall store a petroleum liquid in that vessel unless:

a. The vessel has been fitted with a continuous secondary seal extending from the floating roof to the tank wall (rim-mounted secondary seal), or a closure or other device of equivalent control efficiency and approved by the Department;

b. All seal closure devices meet the following requirements:

(i) There are no visible holes, tears, or other openings in the seal or seal fabric and the seals are intact and uniformly in place around the circumference of the floating roof between the floating roof and the tank wall; and

(ii) For vapor-mounted seals, the area of accumulated gaps between the secondary seal and the tank wall shall not exceed 21.2 square centimeters per meter (cm²) of tank diameter (1.0 square inches (in²) per foot of tank diameter).

c. All openings in the external floating roof, except for automatic bleeder vents, rim space vents, and leg sleeves, are:

(i) Equipped with covers, seals, or lids in the closed position except when the openings are in actual use; and

(ii) Equipped with projections into the tank which remain below the liquid surface at all times.

d. Automatic bleeder vents are closed at all times except when the roof is floated off or landed on the roof leg supports;

e. Rim vents are set to open only when the roof is being floated off the leg supports or at the manufacturer's recommended setting; and

f. Emergency roof drains are provided with slotted membrane fabric covers or equivalent covers at least 90 percent of the area of the opening;

g. The owner or operator of a petroleum liquid storage vessel subject to this Part shall:

(i) Perform annual inspections to ensure compliance with this Part, including a visual inspection of the secondary seal gap; and

(ii) Measure the secondary seal gap annually when the floating roof is equipped with a vapor-mounted seal; and

(iii) Maintain records of the results of (2)(g)(i) and (ii) above and of the throughput quantities and types of petroleum liquids stored.

3. Compliance Schedules

a. The owner or operator of a VOC source subject to this Part shall comply with Schedule 1 of Section I, Part D above, for installation of a secondary seal, closure, or other VOC emission reduction device:

Part Q. Manufacture of Synthesized Pharmaceutical Products

1. Applicability

All synthesized pharmaceutical manufacturing plants which emit VOC from any source, including reactors, distillation units, dryers, transfer, or storage of VOC, extraction equipment, filters, crystallizers, and centrifuges are affected.

2. Control Technology Provisions

The owner or operator of a synthesized pharmaceutical manufacturing plant having sources subject to this Part shall:

a. Control the VOC emissions from reactors, distillation operations, crystallizers, centrifuges, and vacuum dryers that have the potential to emit 6.80 kg/day (15 lb/day) or more of VOC. Surface condensers or equivalent controls shall be used, provided that:

(i) If surface condensers are used, the condenser outlet gas temperature must not exceed:

(a) Minus (-) 25 degrees C when condensing VOC of vapor pressure greater than 40.0 kPa (5.8 psi) measured at 20 degrees C,

(b) Minus (-)15 degrees C when condensing VOC of vapor pressure greater than 20.0 kPa (2.9 psi) measured at 20 degrees C,

(c) 0 degrees C when condensing VOC of vapor pressure greater than 10.0 kPa (1.5 psi) measured at 20 degrees C,

(d) 10 degrees C when condensing VOC of vapor pressure greater than 7.0 kPa (1.0 psi) measured at 20 degrees C, or

(e) 25 degrees C when condensing VOC of vapor pressure greater than 3.50 kPa (0.5 psi) measured at 20 degrees C.

(ii) If other controls are used, the VOC emissions must be reduced by the equivalent of a surface condenser which meets the requirements of Part (a)(i) above.

b. Reduce the VOC emissions from air dryers and production equipment exhaust systems;

(i) By at least 90 percent if emissions are 150 kg/day (330 lb/day) or more of VOC; or

(ii) To 15.0 kg/day (33 lb/day) or less if emissions are less than 150 kg/day (330 lb/day) of VOC.

c. For storage tanks:

(i) Provide a vapor balance system or equivalent control that is at least 90 percent effective in reducing emissions from truck or railcar deliveries to storage tanks with capacities greater than 7,500 L (2,000 gallons) that store VOC with vapor pressures greater than 28.0 kPa (4.1 psi) at 20 degrees C; and

(ii) Install pressure/vacuum conservation vents set at plus or minus (+-) 0.2 kPa on all storage tanks that store VOC with vapor pressures greater than 10.0 kPa (1.5 psi) at 20 degrees C, unless a more effective control system is used.

d. Enclose centrifuges, rotary vacuum filters, and other filters which process liquids containing VOC with vapor pressures of 3.50 kPa (0.5 psi) or more at 20 degrees C.

e. Install covers on in-process tanks containing a VOC at any time. These covers must remain closed, unless production, sampling, maintenance, or inspection procedures require operator access.

f. Repair leaks from which a liquid containing VOC can be observed running or dripping. The repair shall be completed the first time the equipment is off line for a period of time long enough to complete the repair.

3. Compliance Schedule

a. The owner or operator of a VOC source subject to this Part shall comply with Schedule 1 of Section I, Part D above.

Part R. Manufacture of Pneumatic Rubber Tires

1. Applicability

Affected sources include the following operations in all plants for the "Manufacture of Pneumatic Rubber Tires:" Undertread cementing, tread end cementing, bead dipping, and green tire spraying.

2. Control Technology Provisions

The owner or operator of an undertread cementing, tread end cementing, or bead dipping operation subject to this Part shall:

a. Install and operate a capture system, designed to achieve maximum reasonable capture, up to 85 percent by weight of VOC emitted, from all undertread cementing, tread end cementing and bead dipping operations. Maximum reasonable capture shall be consistent with the following documents:

(i) Industrial Ventilation, A Manual of Recommended Practices, 14th Edition, American Federation of Industrial Hygienists.

(ii) Recommended Industrial Ventilation Guidelines, U.S. Department of Health, Education, and Welfare, National Institute of Occupational Safety and Health.

b. Install and operate a control device that meets the requirements of one of the following:

(i) A carbon adsorption system designed and operated in a manner such that there is at least a 95 percent removal of VOC by weight from the gases ducted to the control device; or

(ii) An incineration system that oxidizes at least 90 percent of the nonmethane VOC (VOC measured as total combustible carbon) which enter the incinerator to carbon dioxide and water.

(iii) An alternative VOC emission reduction system certified by the owner or operator to have at least a 90.0 percent reduction efficiency, measured across the control system, that has been approved by the Department.

3. The owner or operator of a green tire spraying operation subject to this Part must implement one of the following means of reducing VOC emissions:

a. Substitute water-based sprays for the normal solvent-based mold release compound; or

b. Install a capture system designed and operated in a manner that will capture and transfer at least 90 percent of the VOC emitted by the green tire spraying operation to a control device; and

c. In addition to Part b above, install and operate a control device that meets the requirements of one of the following:

(i) A carbon adsorption system designed and operated in a manner such that there is at least 95 percent removal of VOC by weight from the gases ducted to the control device; or

(ii) An incineration system that oxidizes at least 90 percent of the nonmethane VOC (VOC measured as total combustible carbon) to carbon dioxide and water.

4. Compliance Schedules

a. The owner or operator of a VOC source subject to this Part shall comply with Schedule 1 of Section I, Part D above.

Part S. Cutback Asphalt

1. Control Provisions

No person may cause, allow, or permit the use or application of cutback asphalt except:

a. When used solely as a penetrating prime coat; or

b. When long-life asphalt mix stockpile storage is required; or

c. When application is to be made during the months of January, February, or December.

2. Compliance Schedules

a. The owner or operator of a VOC source subject to this Part shall comply with Schedule 1 of Section I, Part D above.

Part T. Bulk Gasoline Terminals and Vapor Collection Systems

1. Applicability

This Standard will apply to all bulk gasoline terminals and the appurtenant equipment necessary to load or unload gasoline tank trucks.

2. Control Technology

No person may load or unload a gasoline tank truck at any bulk gasoline terminal subject to this Part unless:

a. The bulk gasoline terminal is equipped with a vapor control system, properly installed, in good working order, in operation, and consisting of one of the following:

(i) An adsorber or condensation system which may not allow mass emissions of VOC to exceed 4.7 grains per gal (80 milligrams per L) of gasoline loaded; or

(ii) A vapor collection system which directs all vapors to a fuel gas system; or

(iii) Alternative controls as allowed under Section I, Part C above.

b. All displaced vapors and gases are vented only to the vapor control system; and

c. A means is provided to prevent liquid drainage from the loading device when it is not in use or to accomplish complete drainage before the loading device is disconnected; and

d. All loading and vapor lines are equipped with fittings which make vapor-tight connections and which close automatically when disconnected.

3. Sources affected by this Part may not:

a. Allow avoidable visible liquid leaks during loading or unloading operations; nor

b. Allow the pressure in the vapor collection system to exceed the gasoline tank truck pressure relief settings; nor

c. Allow gasoline to be discarded in sewers nor stored in open containers nor handled in any manner that would result in evaporation.

4. Compliance Schedules

a. The owner or operator of a VOC source subject to this Part shall comply with Schedule 1 of Section I, Part D above.

S.C. Code Regs. § 61-62.5.5.II

Amended by State Register Volume 37, Issue No. 4, eff April 26, 2013; State Register Volume 39, Issue No. 11, eff. 11/27/2015.