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TITLE 30ENVIRONMENTAL QUALITY
PART 1TEXAS COMMISSION ON ENVIRONMENTAL QUALITY
CHAPTER 106PERMITS BY RULE
SUBCHAPTER UTANKS, STORAGE, AND LOADING
RULE §106.477Anhydrous Ammonia Storage

Anhydrous ammonia storage tanks and distribution facilities that meet the following conditions are permitted by rule.

  (1) All valves, connectors, and hoses, associated with permanent storage tanks and any nurse tanks stored on-site, shall be properly maintained in leak-proof condition at all times.

  (2) The capacity of each permanent storage tank is 30,000 gallons or less.

  (3) When transferring ammonia, all vapors shall be vented back to the host tank and never to the atmosphere.

  (4) When relieving pressure from hoses associated with permanent storage tanks and any nurse tanks, all vapors shall be bled into an adequate volume of water and never to the atmosphere.

  (5) Each permanent storage tank and any nurse tanks stored on-site are equipped to prevent unauthorized operation.

  (6) Before construction begins, written site approval must be received from the regional director and the owner or operator shall file with the commission's Office of Permitting, Remediation, and Registration in Austin a completed Form PI-7 and supporting documentation demonstrating that all of the requirements of this section will be met.

  (7) Each permanent storage tank 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 property upon which the facility is located.


Source Note: The provisions of this §106.477 adopted to be effective March 14, 1997, 22 TexReg 2439; amended to be effective August 4, 1998, 23 TexReg 7830; amended to be effective September 4, 2000, 25 TexReg 8653

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