4 (1) These Regulations apply to new installations and additions or changes to existing installations, as of February 1, 1965.
(2) Notwithstanding subsection (1), installations in operation before February 1, 1965 shall be operated in accordance with these Regulations and, if ordered by the Commission, shall also be made to conform to those parts of these Regulations pertaining to location, construction and design.
50 Tank car loading or unloading lines shall be equipped with shut-off valves located at the tank car end of the loading or unloading line. These valves shall not be used for throttling purposes, but shall be either fully open or fully closed in order not to interfere with the operation of excess flow valves on the tank car.
3 These Regulations apply to stationary bulk storage facilities for anhydrous ammonia on the right-of-way owned or leased by any railway company subject to the jurisdiction of the Commission.
1 These Regulations may be cited as the Anhydrous Ammonia Bulk Storage Regulations.
1 The transfer of anhydrous ammonia between a tank car located on the right-of-way of a railway subject to the jurisdiction of the Commission and any vessel other than a permanently-installed storage tank of sufficient capacity to receive the entire contents of the tank car is prohibited by sections 73.432 and 74.560 of the Regulations for the Transportation of Dangerous Commodities by Rail and section 61 of these Regulations. However, it is recognized that under certain circumstances temporary relief from compliance with these requirements is in the public interest and may be granted without jeopardizing the safety standards.
2 (1) The prerequisites for obtaining permission to transfer anhydrous ammonia between a tank car and a vessel other than a permanently-installed storage tank are as follows:
(a) except as provided in subparagraphs (i) to (iii), the direct transfer of anhydrous ammonia between a tank car and a vessel other than a permanently-installed storage tank shall comply in all respects with the requirements of these Regulations,
(i) the requirements of Part III of these Regulations pertaining to storage tanks are waived,
(ii) notwithstanding the distance requirements of Part II of these Regulations, the distance between the transfer connection of a tank car and a building or place shall not be less than the following:
(iii) notwithstanding the application requirements of Part I of these Regulations, drawings need not accompany applications requesting approval for periods that do not exceed six months if in addition to providing the information requested in paragraphs (b) and (c), the following information is also provided: