[Code of Federal Regulations]
[Title 46, Volume 4]
[Revised as of October 1, 2002]
From the U.S. Government Printing Office via GPO Access
[CITE: 46CFR98.25-45]

[Page 87]
 
                           TITLE 46--SHIPPING
 
    CHAPTER I--COAST GUARD, DEPARTMENT OF TRANSPORTATION (CONTINUED)
 
PART 98--SPECIAL CONSTRUCTION, ARRANGEMENT, AND OTHER PROVISIONS FOR CERTAIN DANGEROUS CARGOES IN BULK--Table of Contents
 
                Subpart 98.25--Anhydrous Ammonia in Bulk
 
Sec. 98.25-45  Liquid level gaging device.

    (a) Each tank shall be fitted with a liquid level gaging device of 
suitable design to indicate the maximum level to which the tank may be 
filled with liquid at temperatures between 20 deg. F. and 130 deg. F.
    (b) Liquid level gaging devices shall be of the following types: 
magnetic, rotary tube, slip tube, fixed tube, automatic float, or other 
types acceptable to the Commandant.
    (c) Gaging devices that require bleeding of the product to the 
atmosphere, such as rotary tube, fixed tube, and slip tube, shall be so 
designed that the bleed valve maximum opening is not larger than a No. 
54 drill size, unless provided with an excess flow valve.
    (d) Gaging devices shall have a design pressure of at least 250 
pounds per square inch.
    (e) Gage glasses of the columnar type are prohibited.