Virginia Administrative Code › Title 9 - ENVIRONMENT › Agency 5 - STATE AIR POLLUTION CONTROL BOARD › Chapter 80 - PERMITS FOR STATIONARY SOURCES › Part II - Emission Standards › Article 4 - Insignificant Activities › Section 9VAC5-80-720 - Insignificant activities

Current through Register Vol. 40, No. 24, July 15, 2024
A.
					 Insignificant activities include the following emissions units:
1. Gas flares or flares used solely to
					 indicate danger to the public.
2.
					 Ventilation systems not used to remove air contaminants generated by or
					 released from specific units of equipment.
3. Air-conditioning units used for human
					 comfort that do not have applicable requirements under Title VI of the
					 Act.
4. Portable heaters which can
					 reasonably be relocated through the manual labor of one person.
5. Portable electrical generators that can be
					 moved by hand from one location to another.
6. Space heaters operating by direct heat or
					 radiant heat transfer, or both.
7.
					 Office activities and the equipment and implements used to carry out these
					 activities, such as typewriters, printers, and pens.
8. Tobacco smoking rooms and areas.
9. Interior maintenance activities and the
					 equipment and supplies used to carry out these activities, such as janitorial
					 cleaning products and air fresheners, but not cleaning of production
					 equipment.
10. Architectural
					 maintenance and repair activities conducted to take care of the buildings and
					 structures at the facility, including repainting, reroofing and sandblasting,
					 where no structural repairs are made in conjunction with the installation of
					 new or permanent facilities.
11.
					 Repair or maintenance shop activities not related to the source's primary
					 business activity, not including emissions from surface coating or degreasing
					 (solvent metal cleaning) activities, and not otherwise triggering a permit
					 modification.
12. Exterior
					 maintenance activities conducted to take care of the grounds of the source,
					 including lawn maintenance.
13.
					 Internal combustion engines used for dry-cleaning and steam boilers.
14. Laundry activities, except for
					 dry-cleaning and steam boilers.
15.
					 Bathroom and locker room ventilation and maintenance.
16. Copying and duplication activities for
					 internal use and support of office activities at the source.
17. Blueprint copiers and photographic
					 processes used as an auxiliary to the principal equipment at the
					 source.
18. Equipment used solely
					 for the purpose of preparing food to be eaten on the premises of industrial and
					 manufacturing operations.
19.
					 Equipment used exclusively to slaughter animals, but not including other
					 equipment at slaughterhouses, such as rendering cookers, boilers, heating
					 plants, incinerators, and electrical power generating equipment.
20. Safety devices.
21. Air contaminant detectors and test
					 equipment.
22. Brazing, soldering
					 or welding equipment used as an auxiliary to the principal equipment at the
					 source.
23. The engine of any
					 vehicle, including but not limited to any marine vessel, any vehicle running
					 upon rails or tracks, any motor vehicle, any forklift, any tractor, or any
					 mobile construction equipment, including any auxiliary engine that provides
					 cooling or refrigeration of the vehicle.
24. Fugitive emissions related to movement of
					 passenger vehicles, provided the emissions are not counted for applicability
					 purposes and any required fugitive dust control plan or its equivalent is
					 submitted.
25. Emergency road
					 flares.
26. Firefighting equipment
					 and the equipment used to train firefighters.
27. Fire suppression systems.
28. Laboratories used solely for the purpose
					 of quality control or environmental compliance testing that are associated with
					 manufacturing, production or other industrial or commercial
					 facilities.
29. Laboratories in
					 primary and secondary schools and in schools of higher education used for
					 instructional purposes.
30.
					 Bench-scale laboratory equipment used for physical or chemical analysis, but no
					 lab fume hoods or vents.
31.
					 Routine calibration and maintenance of laboratory equipment or other analytical
					 instruments.
32. Air compressors
					 and pumps (engines for these emissions units are covered separately under
					 subdivision C 1 of this section).
33. Pneumatically operated equipment,
					 including hand tools.
34. Emergency
					 (backup) electrical generators at residential locations.
35. Dumpster.
36. Grinding or abrasive blasting for
					 nondestructive testing of metals.
37. Dryers and distribution systems for
					 instrument air.
38. Parts washer
					 (water-based).
39. Electric or
					 steam-heated drying ovens and autoclaves, but not the emissions from the
					 articles or substances being processed in the ovens or autoclaves or the
					 boilers delivering the steam.
40.
					 Salt baths using nonvolatile salts that do not result in emissions of any
					 regulated air pollutants.
41.
					 Dispensing facilities for refueling diesel-powered vehicles or equipment,
					 including any diesel fuel storage tank serving only such dispensing facility,
					 to the extent that this activity is not regulated by § 111 or § 112
					 of the federal Clean Air Act.
42.
					 Storage tanks, vessels, and containers holding or storing liquid substances
					 that will not emit any volatile organic compound or hazardous air
					 pollutant.
43. Storage tanks,
					 reservoirs, and pumping and handling equipment of any size containing soaps,
					 vegetable oil, grease, animal fat, and nonvolatile aqueous salt solutions,
					 provided appropriate lids and covers are utilized.
44. Equipment used to mix and package soaps,
					 vegetable oil, grease, animal fat, and nonvolatile aqueous salt solutions,
					 provided appropriate lids and covers are utilized.
45. Laboratory analytical equipment and vents
					 except at stationary sources primarily engaged in research and
					 development.
46. Equipment used for
					 quality control/assurance or inspection purposes, including sampling equipment
					 used to withdraw materials for analysis.
47. Nonroutine clean out of tanks and
					 equipment for the purposes of worker entry or in preparation for maintenance or
					 decommissioning.
48. Sampling
					 connections and systems used exclusively to withdraw materials for testing and
					 analysis including air contaminant detectors and vent lines.
49. Vents from continuous emission monitors
					 and other analyzers.
50.
					 Maintenance activities such as hand-held or manually operated maintenance
					 equipment, railroad track maintenance, repair and maintenance cleaning, and
					 maintenance surface preparation activities.
51. Hand-held equipment for buffing,
					 polishing, cutting, drilling, sawing, grinding, turning, or machining wood,
					 metal, or plastic.
52. Carbon
					 monoxide lasers used only on metals and other materials which do not use
					 hazardous air pollutants in the process.
53. Hand-held applicator equipment for hot
					 melt adhesives with no volatile organic compounds in the adhesive
					 formulation.
54. Equipment used for
					 surface coating, painting, dipping, or spraying operations, except those that
					 emit volatile organic compounds or hazardous air pollutants.
55. Drop hammers or hydraulic presses for
					 forging or metalworking.
56.
					 Blacksmith forges.
57. Solvent
					 storage cabinet (containers covered).
58. Cooling ponds.
59. Coal pile run-off ponds.
60. Mechanical drive or gear boxes.
61. Equipment for steam cleaning or brushing
					 dust off equipment.
62. Repair of
					 residential units.
63. Farm
					 equipment, with the exception of grain elevators or combustion devices not
					 already listed as insignificant activities.
64. Water tanks.
65. Hydroblasting.
66. Hydraulic and hydrostatic testing
					 equipment.
67. Process raw water
					 treatment (e.g., phosphate).
68.
					 Process water filtration systems and demineralizers.
69. Demineralized water tanks and
					 demineralizer vents.
70. Ozone
					 generators.
71. Water cooling tower
					 except for systems including contact process water or water treated with
					 chromium-based chemicals.
72. Spill
					 collection tanks.
73. Steam vents
					 and leaks from boilers and steam distribution systems.
74. Boiler water treatment operations, except
					 cooling towers and those involving use of hydrazine.
75. Oxygen scavenging (de-aeration) of
					 water.
76. Herbicide mixing and
					 application activities not involving herbicide manufacture.
77. Nonhazardous boiler cleaning
					 solutions.
78. Portable or mobile
					 containers.
79. Vent or exhaust
					 system for:
a. Transformer vaults and
					 buildings;
b. Electric motor and
					 control panel vents; and
c.
					 Deaerators and decarbonators.
80. Vents or stacks for sewer lines or
					 enclosed areas required for safety or by code.
81. Pump seals.
82. Rupture discs for gas handling
					 systems.
83. Molasses storage
					 tanks.
84. Storage of substances in
					 closed drums, barrels or bottles.
85. Purging of natural gas lines.
86. Natural gas pressure regulator vents,
					 excluding venting at oil and gas production facilities.
87. Blanking, chopping, trimming,
					 perforating, repacking, and inspecting in connection with plastics
					 manufacturing processes.
88.
					 Consumer use of paper trimmers/binders.
89. Laser trimmers using dust collection to
					 prevent fugitive emissions.
90.
					 Sealed batteries such as those used for emergency backup power
					 supplies.
91. Batteries and battery
					 charging stations, except at battery manufacturing plants.
92. Parking lot resurfacing.
93. Environmental chambers not using
					 hazardous air pollutant gases.
94.
					 Shock chambers.
95. Humidity
					 chambers.
96. Solar
					 simulators.
97. Relief valves,
					 excluding air pollution equipment bypass valves.
98. Steam vents and safety relief
					 valves.
99. Steam leaks.
100. Steam cleaning operations.
101. Steam sterilizers.