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Outdated Standard Exemptions 81-89, September 23, 1982

Outdated Title 30 TAC 116 Standard Exemptions organized by exemption number and date.

Standard Exemption List

Clicking on a highlighted number below links you to the standard exemption.

81 | 82 | 83 | 84 | 85 | 86 | 87 | 88 | 89

81. REMOVED

82. REMOVED

83. Any permanently or temporarily located concrete plant that accomplishes wet batching, dry batching or central mixing and operates according to the following conditions:

  1. All stockpiles are sprinkled with water and/or chemicals as necessary to control the emission of dust to the minimum level possible under existing conditions.
  2. A mechanism is installed on the silo for warning operators that the silo is full, so it will not be overloaded at any time.
  3. All permanent in-plant roads shall be paved and cleaned as necessary to control the emission of dust to the minimum level possible under existing conditions. Other areas on the property subject to vehicle traffic shall be watered as necessary to control dust emissions.
  4. The cement weigh hopper is vented to its own fabric filter or the central collection system specified in condition (6).
  5. A fabric filter(s) with a maximum filtering velocity of 4.0 ft/min is installed on the cement silo or the silo is vented to the central collection system specified in condition (6).
  6. The dust emissions at the batch drop point (drum feed for central mix plants) are controlled by a shroud or other pickup device delivering a minimum of 4,000 acfm of air to a fabric filter with air cleaning and a 7.0 ft/min maximum filtering velocity or automatic sequenced mechanical cleaning and a 5.0 ft/min maximum filtering velocity.
  7. All abatement equipment is in good condition and operating properly during plant operations.
  8. All open-bodied vehicles transporting material from a dry batch plant to the paving mixer(s) shall be loaded with final layer of wet sand and/or the truck shall be covered with a tarp to control the emissions of dust to the minimum level possible under existing conditions.
  9. Before construction of facility begins, written site approval is received from the Executive Director of the Texas Air Control Board.
  10. Before construction begins the facility shall be registered with the appropriate Regional Office using Form PI-7 including a current Table 20.

84. All mineral product (except asbestos) storage silos to be installed for use by an existing plant which will meet the following conditions:

  1. The silos are equipped with fabric filter(s) having a maximum filtering velocity of 4.0 ft/min with mechanical shaking or 7.0 ft/min with air cleaning or are vented to a central collection fabric filter with air cleaning and a 7.0 ft/min maximum filtering velocity or automatic sequenced mechanical cleaning and a 5.0 ft/min maximum filtering velocity.
  2. Transfer of material from the silos is accomplished by an enclosed system.
  3. All abatement equipment is in good condition and operating properly.

85. REMOVED

86. Any portable rock crusher with a production rate of 200 ton/hr or less that operates according to the following conditions:

  1. Operating schedule of the plant does not exceed 1600 hours per year,
  2. All in-plant haul roads and stockpiles are sprinkled with water and/or chemicals as necessary to control fugitive emissions to the minimum level possible under existing conditions.
  3. Water sprays are located at all belt transfer points, shaker screens and inlet-outlet of primary and secondary crushers as necessary to achieve maximum control of dust emissions,
  4. The plant is located at least 1/2 mile from any recreational area or residence or other structure not occupied or used solely by the owner of the facility or the owner of the property upon which the facility is located.
  5. The plant is located at least 1000 feet from any state or federal highway not currently under maintenance or construction.
  6. Before construction of the facility begins, written site approval is received from the Executive Director of the Texas Air Control Board.
  7. Before construction begins the facility shall be registered with Form PI-7.

87. REMOVED

88. Any grain handling, storage and drying facility which satisfies the following conditions:

  1. The total storage capacity of the new and any existing facility or facilities does not exceed 100,000 bushels.
  2. The plant is located at least 1/4 mile from any recreational area or residence or other structure not occupied or used solely by the owner of the facility or the owner of the property upon which the facility is located.

or:

The installation of additional grain storage capacity which satisfies the following conditions:

  1. There is no increase in hourly grain handling capacity.
  2. Existing grain receiving and loadout facilities are utilized.
  3. Grain is conveyed by closed conveying systems with no air suction pulled on any conveying unit.
  4. Written site approval is received from the Executive Director before construction begins for facilities utilizing existing grain receiving facilities when new gravity or auger loadout systems are installed.

89. Surface coating facilities that emit less than 6.0 pounds per hour and 500 pounds per week of volatile organic paint solvent and;

  1. The facility meets Federal Occupational Safety and Health Standards (Federal Regulation 29 CFR 1910.107) and,
  2. If a spraying operation, a water wash or dry filter media is used to control paint particulate overspray and in which no metal spraying or metallizing is done.


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