(f)
Applications -
insignificant emissions units: category basis. Except as
provided in (d) of this section, the following categories of emissions units
are insignificant:
(1) mobile transport tanks
on vehicles, except for those containing asphalt or volatile liquids;
(2) lubricating oil storage tanks;
(3) equipment used to mix, package, store, or
handle soaps, lubricants, hydraulic fluid, vegetable oil, grease, animal fat,
and aqueous salt solutions if covered in a manner that minimizes or prevents
unintended emissions; this category does not include equipment used to mix or
package powdered detergent, spray dryers, or any equipment that must have an
emission control device to comply with the requirements of
18 AAC 50.045(d)
or
18 AAC 50.055;
(4) pressurized storage of oxygen, nitrogen,
carbon dioxide, air, or inert gasses;
(5) vents from continuous emissions monitors
and other analyzers;
(6) sampling
connections used exclusively to withdraw materials for laboratory analyses and
testing;
(7) sample gathering,
preparation, and management;
(8)
equipment and instrumentation used for quality control, quality assurance, or
inspection purposes;
(9) laboratory
calibration and maintenance equipment;
(10) individual laboratory hoods;
(11) ventilating units used for human comfort
that do not exhaust air pollutants into the ambient air from any manufacturing,
industrial, or commercial process;
(12) comfort air conditioning;
(13) maintenance and upkeep activities such
as routine housekeeping, grounds keeping, lawn and landscaping activities,
general repairs, cleaning, painting, welding, plumbing, re-tarring roofs,
applying insulation to buildings in accordance with applicable environmental
and health and safety requirements, and paving or striping parking lots if
these activities are not conducted as part of a manufacturing process, are not
related to the primary business activity of the stationary source, and do not
otherwise require a permit revision; this category does not include process
control flares, spray paint equipment for rail cars or aircraft, or boilers or
internal combustion engines used to provide electric power or heat;
(14) portable solid waste containers such as
dumpsters for municipal solid waste or office wastes;
(15) structural changes that do not give rise
to air pollutant emissions; this category does not include emissions from
construction activities;
(16)
portable welding, brazing, cutting, and soldering operations used in incidental
maintenance;
(17) recreational
fireplaces, including the use of barbecues, campfires, and ceremonial
fires;
(18) food preparation for
human consumption including cafeterias, kitchen facilities, and barbecues
located at a source for providing food service on the premises;
(19) tobacco smoking rooms and
areas;
(20) emergency backup
generators at single family or duplex residential locations;
(21) washers, dryers, extractors, and
tumblers for fabrics using water solutions of bleach or detergents;
(22) janitorial services and consumer use of
janitorial products;
(23) office
activities;
(24) materials and
equipment used by, and activity related to, operation of an infirmary if the
infirmary is not the stationary source's business activity; this category does
not include medical waste incineration at military bases;
(25) personal care activities;
(26) bathroom and toilet vents;
(27) septic sewer systems, not including
active wastewater treatment facilities;
(28) cleaning and sweeping of streets and
paved surfaces;
(29) fuel and
exhaust emissions from vehicles in parking lots;
(30) flares used to indicate danger to the
public;
(31) firefighting and
similar safety equipment and equipment used to train firefighters not subject
to
18 AAC 50.065;
(32) non-commercial smokehouses;
(33) drop hammers or hydraulic presses for
forging or metalworking;
(34)
blacksmith forges;
(35) inspection
equipment for metal products;
(36)
conveying and storage of plastic pellets;
(37) plastic pipe welding;
(38) tire buffing where a water spray is used
with the particulate collection system to prevent smoke generation;
(39) wet sand and gravel screening;
(40) wax application;
(41) ultraviolet curing processes;
(42) hand-held applicator equipment for hot
melt adhesives;
(43) steam cleaning
operations;
(44) steam
sterilizers;
(45) portable drums
and totes;
(46) hand-held equipment
for buffing, polishing, cutting, drilling, sawing, grinding, turning, or
machining wood, metal, or plastic;
(47) oxygen, nitrogen, or rare gas extraction
and liquefaction equipment; this category does not include associated power
generation equipment;
(48)
equipment used exclusively to slaughter animals; this category does not include
other equipment at slaughterhouses such as rendering cookers, boilers, heating
plants, incinerators, and electrical power generating equipment;
(49) ozonation equipment;
(50) demineralization and oxygen scavenging
(deaeration) of water;
(51) pulse
capacitors;
(52) laser trimmers
using dust collection to prevent fugitive emissions;
(53) gas cabinets using only gasses that are
not regulated air pollutants;
(54)
carbon dioxide lasers used only on metals and other materials that do not emit
hazardous air pollutants in the process;
(55) photographic process equipment by which
an image is reproduced upon material sensitized to radiant energy such as
blueprint activity, photocopying, mimeograph, telefacsimile, photographic
developing, and microfiche;
(56)
consumer use of paper trimmers and binders;
(57) hydraulic and hydrostatic testing
equipment;
(58) batteries and
battery charging areas; this category does not apply to manufacturing or
rebuilding facilities;
(59) salt
baths using nonvolatile salts that do not result in emissions of any regulated
air contaminants;
(60) shock
chambers;
(61) mechanical wire
strippers;
(62) humidity
chambers;
(63) solar
simulators;
(64) environmental
chambers that do not use hazardous air pollutant gasses;
(65) steam vents and safety relief valves not
emitting process chemicals;
(66)
air compressors, pneumatically operated systems, and related hand
tools;
(67) digester chip
feeders;
(68) process water and
white water storage tanks;
(69)
demineralizer tanks;
(70) hydrogen
peroxide tanks;
(71) dryers; this
category is limited to Yankee, after dryer, curing systems, and cooling
systems;
(72) winders;
(73) chipping;
(74) debarking;
(75) pulp mill sludge dewatering and
handling;
(76) screw press
vents;
(77) pond
dredging;
(78) polymer tanks and
storage devices and associated pumping and handling equipment used for solids
dewatering and flocculation;
(79)
electrical circuit breakers, transformers, or switching equipment installation
or operation;
(80) electric or
steam-heated drying ovens or autoclaves, excluding the articles or substances
being processed in the ovens or autoclaves and the boilers delivering the
steam;
(81) sewer manholes,
junction boxes, sumps, and lift stations associated with wastewater treatment
systems at publicly owned treatment works;
(82) lube oil, seal oil, or hydraulic fluid
storage tanks and equipment if those tanks and equipment do not emit volatile
organic compounds (VOCs), or hazardous air pollutants;
(83) natural gas pressure regulator vents;
this category does not include venting at oil and gas production
facilities;
(84) lubricating pumps,
sumps, and systems;
(85) well
service equipment;
(86) aircraft
ground support equipment (AGE), lights, and heating, venting and air
conditioning (HVAC) support; this category does not include portable power
generators;
(87) engine crankcase
vents and equipment lubricating sumps;
(88) tanks containing separated water
produced from oil and gas operations;
(89) skimmer pits, oil-water separators, and
maintenance of filter separators;
(90) removal of sludge or sediment from pits,
ponds, sumps, or wastewater conveyance facilities;
(91) site assessment work, including the
evaluation of waste disposal or remediation sites;
(92) instrument systems using air or natural
gas;
(93) drill site manifold and
wellhead enclosures;
(94) vent
emission from gas streams used as buffer or seal gas in rotating pump and
compressor seals;
(95) natural gas
odorizing activities;
(96)
pneumatic starters on reciprocating engines, turbines, compressors, or other
equipment;
(97) pipeline
maintenance pigging activities;
(98) truck, car, or aircraft washing if
equipment is not designed to vaporize hydrocarbons from the wash
water;
(99) nonroutine clean-out of
tanks and equipment for the purpose of worker entry or in preparation for
maintenance or decommissions;
(100)
fugitive emissions of jet fuels associated with aircraft fuel cell and fuel
bladder repair;
(101) portable
electrical generators that can be moved by hand from one location to
another;
(102) natural gas and
liquified petroleum gas (LPG) vehicle fleet fueling facilities;
(103) military field exercises, except
emissions from permanent stationary sources;
(104) fire suppression;
(105) storage of water-treating chemicals to
be used in a drinking water system or a boiler water feedwater
system.
(g)
Applications - insignificant emissions units: size or production rate
basis. Except as provided in (d) of this section, the following
emissions units are insignificant on the basis of size or production rate:
(1) operation, loading, and unloading of
storage tanks and storage vessels with less than a 260-gallon capacity (35
cubic feet), with lids or other closure and heated only to the minimum extent
necessary to avoid solidification;
(2) operation, loading, and unloading of
storage tanks with not greater than 1,100-gallon capacity, with lids or other
closure not for use with hazardous air pollutants, and with a maximum true
vapor pressure of 550 millimeters (mm) of mercury (Hg);
(3) operation, loading, and unloading of
volatile liquid storage with 10,000-gallon capacity or less, with lids or other
closure and storing liquid with a vapor pressure not greater than 80
millimeters (mm) of mercury (Hg) at 21 degrees Celsius;
(4) operation, loading, and unloading of
butane, propane, or liquefied petroleum gas (LPG) storage tanks with vessel
capacity under 40,000 gallons;
(5)
a combustion emissions unit with a rated capacity less than 4,000,000 Btu per
hour exclusively using natural gas, butane, propane, or liquefied petroleum gas
(LPG); emissions units under this paragraph do not include internal combustion
engines;
(6) a combustion emissions
unit with a rated capacity less than 350,000 Btu per hour using a commercial
fuel containing less than 0.5 percent sulfur by weight for coal or less than
500,000 Btu per hour at one percent sulfur by weight for other fuels; emissions
units under this paragraph do not include internal combustion
engines;
(7) a combustion emissions
unit with a rated capacity less than 1,700,000 Btu per hour using kerosene, No.
1 fuel oil, or No. 2 fuel oil; emissions units under this paragraph do not
include internal combustion engines;
(8) a combustion emissions unit with a rated
capacity less than 300,000 Btu per hour if burning used oil; emissions units
under this paragraph do not include internal combustion engines;
(9) a combustion emissions unit with a rated
capacity less than 450,000 Btu per hour if burning wood waste or waste paper;
emissions units under this paragraph do not include internal combustion
engines;
(10) welding using not
more than 50 pounds per day of welding rod;
(11) foundry sand molds, unheated and using
binders with less than 0.25 percent free phenol by sand weight;
(12) "paralyene" coaters using less than 500
gallons of coating per year;
(13)
printing and silkscreening using less than two gallons per day of any
combination of inks, coatings, adhesives, fountain solutions, thinners,
retarders, or nonaqueous solutions if they do not contain hazardous air
pollutants;
(14) comfort cooling
towers and ponds that have a capacity not greater than 10,000 gallons per
minute, that are not used with barometric jets or condensers, and that do not
use chromium-based corrosion inhibitors;
(15) combustion turbines rated at less than
160 horsepower;
(16) batch
distillation equipment with a batch capacity not greater than 55 gallons and
used only for solvents that do not contain hazardous air pollutants;
(17) cleaning equipment
(A) with less than 10 square feet of
air-vapor interface; and
(B) using
(i) solvent that does not contain a hazardous
air pollutant; and
(ii) with a
vapor pressure not more than 30 millimeters (mm) of mercury (Hg) at 20 degrees
Celsius;
(18)
surface coating using less than two gallons per day of formulations not
containing hazardous air pollutants;
(19) tanks, vessels, and pumping equipment
with lids or other appropriate closure for storage or dispensing of aqueous
solutions of inorganic salts, bases, and acids;
(20) cleaning and stripping activities and
equipment using solutions having less than one percent volatile organic
compounds (VOCs), by weight; when used on metallic substances, acid solutions
are not insignificant;
(21)
equipment with lids or other closures used exclusively to pump, load, unload,
or store organic material that has an initial boiling point (IBP) not less than
150 degrees Celsius and a vapor pressure not more than 5 millimeters (mm) of
mercury (Hg) at 21 degrees Celsius;
(22) surface coating, aqueous solution, or
suspension containing less than one percent volatile organic compounds
(VOCs);
(23) storage and handling
of water-based lubricants for metal working if the organic content of the
lubricant is less than 10 percent;
(24) municipal or industrial wastewater
chlorination facilities of not greater than 1,000,000 gallons per day
capacity;
(25) diesel engines of
250 horsepower or less being used to provide power for well servicing
equipment.