AMADOR COUNTY AIR POLLUTION CONTROL DISTRICT

Attachment 1

List of Title V Insignificant Activities

Table of Contents

  Page
A. General Criteria for Insignificant Activities 2
B. Criteria for Specific Source Categories 2
  Fugitive Emission Sources Associated With Insignificant Activities 2
  Combustion and Heat Transfer Equipment 2
  Cooling Towers 3
  Printing and Reproduction Equipment 3
  Food Processing Equipment 4
  Plastic and/or Rubber Processing 4
  Storage Containers, Reservoirs, and Tanks - Fuel, Fuel Oil, Asphalt 5
  Storage Containers, Reservoirs, and Tanks - General Organic and VOC-containing Material 6
  Storage Containers, Reservoirs, and Tanks - Inorganic Materials 7
  Storage Containers, Reservoirs, and Tanks - Liquefied Gases 7
  Compression and Storage of Dry Natural Gas 7
  Transfer Equipment 7
  Adhesive Application 8
  Surface Coating 8
  Solvent Cleaning 9
  Abrasive Blasting 9
  Brazing, Soldering, Welding, and Cutting Torches 10
  Solder Leveler, Hydrosqueegee, Wave Solder Machine, or Drag Solder Machine 10
  Metal Products 10
  Aerosol Can Puncturing or Crushing 10
  Biotechnology Manufacture 11
  Textile Dyeing, Stripping, or Bleaching 11
  Laboratory Fume Hoods and Vents 11
  Refrigeration Units 11
A. General Criteria for Insignificant Activities
   
An insignificant activity is any activity, process, or emissions unit which is not subject to a source-specific requirement of a State Implementation Plan, preconstruction permit, or federal standard1 and which:
1) meets the "Criteria for Specific Source Categories" below; or 2) emits no more than 0.5 tons per year
of a federal hazardous air pollutant (HAP)2 and no more than two tons per year of a regulated pollutant
that is not a HAP.
   
B. Criteria for Specific Source Categories
   
1. Fugitive Emissions Sources Associated With Insignificant Activities
   
  Any valves, flanges, and unvented (except for emergency pressure relief valves) pressure vessels associated with an insignificant activity on this list.
   
  Justification: Insignificant air pollutant emissions from this source
   
2. Combustion and Heat Transfer Equipment
   
  a. Any combustion equipment, other than a gas turbine, that has a maximum heat input
rating of no more than five million British thermal units (mmBtu) per hour (gross) and
is equipped to be fired exclusively with natural gas, liquefied petroleum gas, or any
combination thereof, provided the fuel contains no more than five per cent by weight
of hydrocarbons heavier than butane (as determined by American Society for Testing
and Materials (ASTM) test method E-260-73) and no more than 0.75 grains of total
sulfur per 100 cubic feet of gas (as determined by ASTM test method D-1072-80).
     
    Justification:
100 lb NOx/106ft3 * 5 mmBtu/hr/1,050 mmBtu/106ft3 = 0.5 lb NOx/hr
(Reference AP-42)
___________________________
  1 Federal standards include: 40 CFR Parts 60 (New Source Performance Standards),
61 (National Emission Standards for Hazardous Air Pollutants), 63 (National Emission
Standards for Hazardous Air Pollutants for Source Categories).
     
  2 HAPs are toxic substances listed pursuant to Section 112(b) of the Federal Clean Air Act.

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  b. Any piston-type internal combustion engine (ICE) with a manufacturer's maximum continuous rating of no more than 50 braking horsepower (bhp).
     
    Justification:
14 g NOx/hp-hr * 50 hp/454 g/lb = 1.5 lb NOx/hr
(Reference AP-42)
     
  c. Any ICE which emits no more than 2 tons per year of NOx and is operated solely for the purpose of: 1) providing power when normal power service fails (service failure does not include voluntary power reductions); or 2) the emergency pumping of water.
     
    Justification:
14 g NOx/hp-hr * 300 bhp * 100 hr/yr/454 g/lb/2,000 lb/ton = 0.46 tons NOx/yr
     
    (Reference AP-42)
     
  d. Any non-electric space heater that is not a boiler.
     
    Justification:
94 lb NOx/106ft3 * 60,000,000 Btu/hr * 720 hr/yr/1,000 Btu/scf = 2 tons NOx/yr
Note: An electric space heater should be considered a trivial activity.
     
3. Cooling Towers
     
  Any water cooling tower which: 1) has a circulation rate of less than 10,000 gallons per minute; and
2) is not used to cool process water, water from barometric jets, or water from barometric condensers.
     
  Justification:
0.019 lb PM10/1,000 gal/min * 10,000 gal/min * 60 min/hr * 0.10 = 1.14 lb PM10/hr
     
4. Printing and Reproduction Equipment
     
  a. Any printing, coating, or laminating activity which uses no more than two gallons per day of graphic arts materials, including: inks, coatings, adhesives, fountain solutions, thinners, retarders, or cleaning solutions.
     

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    Justification: 7.5 lb VOC/gal * 2 gal/day = 15 lb VOC/day
     
  b. Any photographic process equipment, and control equipment venting such equipment, which reproduces images upon material sensitized to radiant energy.
     
    Justification: Insignificant air pollutant emissions from this source
     
  c. Any laser printing equipment.
     
    Justification: Insignificant air pollutant emissions from this source
     
5. Food Processing Equipment
     
  a. Any oven in a food processing operation where less than 1,000 pounds of product are produced per day of operation.
Justification:
13.7 lb VOC/2,000 lb product * 1,000 lb product = 6.9 lb VOC/day
(Reference AP-42)
     
  b. Any smokehouse in which the maximum horizontal inside cross section area does not exceed 20 square feet.
     
    Justification:
0.3 lb PM10/ton of meat * 1 ton /day = 0.3 lb PM10/day
0.6 lb CO/ ton of meat * 1 ton/day = 0.6 lb CO/day
(Reference AP-42)
     
  c. Any confection cooker, and associated venting or control equipment, cooking edible products intended for human consumption.
     
    Justification: Insignificant air pollutant emissions from this source
     
6. Plastic and/or Rubber Processing
     
  a. Any hot-wire cutting of expanded polystyrene foam, provided such cutting is limited to packaging operations.

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    Justification: 20 cuts/day * 0.27 lb VOC/cut = 5.4 lb VOC/day
[San Diego APCD emission factor based on BASF Wyandotte Corporation industrial hygiene tests]
     
  b. Any equipment used exclusively for the extrusion or compression molding of rubber or plastics, provided no plasticizer or blowing agent is used.
     
    Justification: Insignificant air pollutant emissions from this source
     
  c. Any oven used exclusively for curing, softening, or annealing plastics except for ovens used to cure fiberglass reinforced plastics.
     
    Justification: Insignificant air pollutant emissions from this source
     
7. Storage Containers, Reservoirs, and Tanks - Fuel, Fuel Oil, Asphalt
     
  a. Any temporary storage of gasoline in flexible containers to support equipment responding to an emergency or for the purposes of training to support such equipment.
     
    Justification:
11.5 lb VOC/1,000 gal transferred * 5,000 gal * 2 transfers/yr = 115 lb VOC/yr
     
  b. Any equipment with a capacity of no more than 1,500 gallons used exclusively for the storage of gasoline.
     
    Justification:
Breathing losses =
30.5 lb VOC/1,000 gal capacity * 1,500 gal capacity = 45.8 lb VOC/yr
Working losses =
10 lb VOC/1,000 gal throughput * 12,000 gal throughput/yr = 120 lb VOC/yr
Total losses = 0.08 ton VOC/yr
     
  c. Any equipment with a capacity of no more than 19,800 gallons (471 barrels) used exclusively for the storage of petroleum distillates used as motor fuel with specific gravity 0.8251 or higher [40o American Petroleum Institute (API) or lower] as determined by API test method 2547 or ASTM test method D-1298-80.
     
    Justification: 0.03 lb/1,000 gal throughput
(Reference U.S. EPA 450/4-90-003)
     

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  d. Any equipment used exclusively for the storage of fuel oils or non-air-blown asphalt with specific gravity 0.9042 or higher (25o API or lower) as determined by API test method 2547 or ASTM test method D-1298-80.
     
    Justification: 0.03 lb/1,000 gal throughput
(Reference U.S. EPA 450/4-90-003)
     
8. Storage Containers, Reservoirs, and Tanks - General Organic and VOC-containing Material
     
  a. Any equipment used exclusively for the storage of unheated organic material with: 1) an initial boiling point of 150o Centigrade (C) [302o Fahrenheit (F)] or greater as determined by ASTM test method 1078-86); or 2) a vapor pressure of no more than five millimeters mercury (mmHg) [0.1 pound per square inch (psi) absolute] as determined by ASTM test method D-2879-86.
     
    Justification:
0.39 lb VOC/1,000 gal storage capacity-yr * 10,000 gal stored = 3.9 lb VOC/yr
0.007 lb VOC/1,000 gal storage capacity-yr
(Reference U.S. EPA 450/4-90-003 for propylene glycol
     
  b. Any equipment with a capacity of no more than 250 gallons used exclusively for the storage of unheated organic liquid.
     
    Justification:
30.5 lb VOC/1,000 gal storage capacity-yr * 250 gal capacity = 7.62 lb VOC/yr
17.9 lb VOC/1,000 gal storage capacity-yr * 250 gal capacity = 4.5 lb VOC/yr
(Reference U.S. EPA 450/4-90-003 for carbon tetrachloride)
     
  c. Any equipment with a capacity of no more than 6,077 gallons used exclusively for the underground storage of unheated organic liquid with a vapor pressure no more than
75 mm Hg (1.5 psi absolute) as determined by ASTM test method D-2879-86.
     
    Justification:
3.6 lb VOC/1,000 gal storage capacity-yr * 6,077 gal capacity = 21.9 lb VOC/yr
     
     
     
     

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  d. Any transport, delivery, or cargo tank or equipment on vehicles used to deliver VOC-containing material.
     
    Justification:
0.005 lb VOC/1,000 gal
(Reference U.S. EPA 450/4-90-003)
     
9. Storage Containers, Reservoirs, and Tanks - Inorganic Materials
     
  Any equipment used exclusively for the storage of fresh, commercial or purer grade of:
1) sulfuric or phosphoric acid with acid content of no more than 99 per cent by weight; or
2) nitric acid with acid content of no more than 70 per cent by weight.
     
  Justification: Insignificant air pollutant emissions from this source
     
10. Storage Containers, Reservoirs, and Tanks - Liquefied Gases
     
  Any equipment used exclusively for the storage of liquified gases in unvented (except for emergency pressure-relief valves) pressure vessels.
     
  Justification: Insignificant air pollutant emissions from this source
     
11. Compression and Storage of Dry Natural Gas
     
  Any equipment used exclusively to compress or hold dry natural gas. Any ICE or other equipment associated with the dry natural gas should not be considered an insignificant activity unless such ICE or other equipment independently qualifies as an insignificant activity.
     
  Justification: Insignificant air pollutant emissions from this source.
     
12. Transfer Equipment
     
  a. Any transfer equipment when used with the equipment described in 7-11, above.
     
    Justification: Please see justification for 7-11, above
     

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  b. Any equipment used exclusively to transfer crude oil, asphalt, or residual oil from a
delivery vehicle.
     
    Justification: 0.03 lb/1,000 gal transferred
(Reference U.S. EPA 450/4-90-003)
     
  c. Any equipment used exclusively for the transfer of crude oil with 0.8762 specific gravity
or higher (30 degrees API or lower) as measured by API test method 2547 or ASTM
test method D-1298-80.
     
    Justification: Transfer emissions for heavy crude oil are much less than
1 lb/1,000 gal
     
  d. Any equipment used exclusively for the transfer of less than 4,000 gallons per day of:
1) unheated organic material with an initial boiling point of 150o C (302oF) or greater
as determined by ASTM test method D-86; or 2) fuel oil with 0.8251 specific gravity
or higher (40o API or lower) as determined by API test method 2547 or ASTM test
method D-1298-80.
     
    Justification: Less than 0.03 lb/1,000 gal transferred
(Reference U.S. EPA 450/4-90-003)
     
13. Adhesive Application
     
  Any adhesive operation in which no more than 173 gallons of adhesives are applied in a consecutive 12-month period.
     
  Justification: 11.1 lb VOC-HAP/gal* 0.52 * 173 gal/year = 0.5 TPY VOC-HAP
     
  Note: Districts with SIP-approved adhesive rules should determine if insignificant adhesive application at a Title V facility should be less than 173 gallons/year.
     
14. Surface Coating
     
  a. Any equipment or activity using no more than one gallon per day of surface coating, or
any combination of surface coating and solvent, which contains either VOC or hazardous air pollutants (HAP), or both.
     

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    Justification: 7.5 lb VOC/gal * 1 gal/day = 7.5 lbVOC/day
     
  b. Any coating operation using less than 10, 950 gallons per year of coating(s) that contain less than 20 grams of VOC per liter.
     
    Justification: 0.16 lb VOC/gal * 10,950 gal/year = 1,752 lb VOC/yr
     
15. Solvent Cleaning
     
  a. Any equipment or activity using no more than one gallon per day of solvent, or combination of solvent and surface coating, which contains either VOC or HAP, or both.
     
    Justification: 7.5 lb VOC/gal * 1 gal/day = 7.5 lb VOC/day
     
  b. Any unheated, non-conveyorized cleaning equipment (not including control enclosures):
1) which has an open surface area of no more than 10.8 square feet (2 square meters) and
internal volume of no more than 92.5 gallons; 2) which uses organic solvents with an
initial boiling point of 302o F or greater as determined by ASTM test method 1078-78;
and 3) from which the owner or operator can demonstrate, through solvent purchase and
use records, that less than 25 gallons per year of solvent was lost exclusive of solvent loss
from recycling or disposal.
     
    Justification:
7.5 lb VOC/gal solvent * 25 gal solvent/yr/2,000 lb/ton = 0.094 ton VOC/yr
     
  c. Any solvent wipe cleaning provided such cleaning: 1) utilizes a container applicator to
limit emissions (e.g., squeeze containers with narrow tips, spray bottles, dispensers with
press-down caps, etc.); and 2) occurs at a facility which emits no more than five tons
VOC (uncontrolled emissions) per calendar year from all solvent wipe-cleaning
operations or which purchases no more than 1,500 gallons of solvent per calendar year.
     
    Justification: Less than 5 tons VOC per calendar year
     
16. Abrasive Blasting
     
  a. Any blast cleaning equipment using a suspension of abrasive material in water and the control equipment venting such blast cleaning equipment.
     

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    Justification: Insignificant air pollutant emissions from this source
     
  b. Any abrasive blast room when vented to a control device that discharges back to the room.
     
    Justification: Insignificant air pollutant emissions from this source.
     
17. Brazing, Soldering, Welding, and Cutting Torches
     
  Any brazing, soldering, welding, or cutting torch equipment used in manufacturing and
construction activities and with the potential to emit hazardous air pollutant (HAP) metals,
provided the total emissions of HAPs do not exceed 0.5 tons per year.
     
  Justification: Less than 0.5 tons per year of total HAPs
Note: U.S. EPA's List of Trivial Activities says brazing, soldering, and welding associated with maintenance is a trivial activity. Such activity performed as part of the manufacturing process is also a trivial activity, provided no metal HAPs are emitted.
     
18. Solder Leveler, Hydrosqueegee, Wave Solder Machine, or Drag Solder Machine
     
  Any solder leveler, hydrosqueegee, wave solder machine, or drag solder machine which uses less than an average of 10 pounds/day of any VOC-containing material.
     
  Justification: Less than 10 pounds/day of VOC
     
19. Metal Products
     
  Any equipment, and associated control equipment, used exclusively for the inspection of metal products.
     
  Justification: Insignificant air pollutant emissions from this source.
     
20. Aerosol Can Puncturing or Crushing
     
  Any aerosol can puncturing or crushing operation that processes less than 500 cans per day, provided such operation uses a closed loop recovery system.
     
  Justification: 0.02 lb VOC/aerosol can * 500 aerosol cans/day = 10 lb VOC/day
[San Diego County APCD emission factor based on saturated vapor in aerosol can]

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21. Biotechnology Manufacture
     
  Provided the total uncontrolled VOC emissions from any biotechnology manufacturing facility
does not exceed five tons per year, any equipment used in the manufacture of:
     
  a. Biotechnology pharmaceutical products used exclusively in federal Food and Drug Administration (FDA)-approved clinical trials;
     
  b. Biomedical devices and diagnostic kits used exclusively in FDA-approved clinical trials
and laboratory failure analysis testing; or
     
  c. Bioagricultural products for exclusive use in field testing required to obtain FDA, U.S. EPA, United States Department of Agriculture (USDA), or California Environmental Protection Agency (Cal-EPA) approval.
     
    Justification: No more than 2 tons VOC/year
     
22. Textile Dyeing, Stripping, or Bleaching
     
  Any equipment used for dyeing, stripping, or bleaching textiles, provided no organic solvents, diluents, or thinners are used.
     
  Justification: Insignificant air pollutant emissions from this source
     
23. Laboratory Fume Hoods and Vents
     
  Any laboratory fume hood or vent, provided such equipment is used exclusively for the purpose of teaching, research, or quality control.
     
  Justification: Insignificant air pollutant emissions from this source
Note: According to the U.S. EPA's List of Trivial Activities, "many lab fume hoods or vents might qualify for treatment as insignificant"
     
24. Refrigeration Units
     
  Any refrigeration unit provided the unit: 1) contains less than 50 pounds of refrigerant; and
2) is not used in conjunction with air pollution control equipment.
     
  Justification: Insignificant air pollutant emissions from this source.

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