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1910.111(g)(1) Application
This paragraph applies to containers of 1,200 gallons capacity or less and pertinent equipment mounted on farm vehicles (implements of husbandry) and used other than for the application of ammonia to the soil. Paragraph (b) of this section applies to this paragraph unless otherwise noted.
1910.111(g)(2) Design Pressure and Classification of Containers
1910.111(g)(2)(i)
The minimum design pressure for containers shall be 250 p.s.i.g.
1910.111(g)(2)(ii)
The shell or head thickness of any container shall be not less than three-sixteenths of an inch.
1910.111(g)(3) Mounting Containers
1910.111(g)(3)(i)
A suitable "stop" or "stops" shall be mounted on the vehicle or on the container in such a way that the container shall not be dislodged from its mounting due to the vehicle coming to a sudden stop. Back slippage shall also be prevented by proper methods.
1910.111(g)(3)(iii)
When containers are mounted on four-wheel trailers, care shall be taken to insure that the weight is distributed evenly over both axles.
1910.111(g)(3)(iv)
When the cradle and the tank are not welded together suitable material shall be used between them to eliminate metal-to-metal friction.
1910.111(g)(3)(ii)
A suitable "hold down" device shall be provided which will anchor the container to the vehicle at one or more places on each side of the container.
1910.111(g)(4) Container Appurtenances
1910.111(g)(4)(i)
All containers shall be equipped with a fixed liquid-level gage.
1910.111(g)(4)(iii)
The filling connection shall be fitted with combination back-pressure check valve and excess-flow valve; one double or two single back-pressure check valves; or a positive shutoff valve in conjunction with either an internal back-pressure check valve or an internal excess flow valve.
1910.111(g)(4)(iv)
All containers with a capacity exceeding 250 gallons shall be equipped for spray loading or with an approved vapor return valve.
1910.111(g)(4)(v)
All vapor and liquid connections except safety-relief valves and those specifically exempted by paragraph (b)(6)(v) of this section shall be equipped with approved excess-flow valves or may be fitted with quick-closing internal valves which, except during operating periods, shall remain closed.
1910.111(g)(4)(vi)
Fittings shall be adequately protected from damage by a metal box or cylinder with open top securely fastened to the container or by rigid guards, well braced, welded to the container on both sides of the fittings or by a metal dome. If a metal dome is used, the relief valve shall be properly vented through the dome.
1910.111(g)(4)(vii)
If a liquid withdrawal line is installed in the bottom of a container, the connections thereto, including hose, shall not be lower than the lowest horizontal edge of the vehicle axle.
1910.111(g)(4)(viii)
Provision shall be made to secure both ends of the hose while in transit.
1910.111(g)(4)(ii)
All containers with a capacity exceeding 250 gallons shall be equipped with a pressure gage having a dial graduated from 0-400 p.s.i.
1910.111(g)(5) Marking the Container
There shall appear on each side and on the rear end of the container in letters at least 4 inches high, the words, "Caution - Ammonia" or the container shall be marked in accordance with DOT regulations.
1910.111(g)(6) Farm Vehicles
1910.111(g)(6)(i)
Farm vehicles shall conform with State regulations.
1910.111(g)(6)(iii)
A trailer shall be constructed so that it will follow substantially in the path of the towing vehicle and will not whip or swerve dangerously from side to side.
1910.111(g)(6)(iv)
All vehicles shall carry a can containing 5 gallons or more of water.
1910.111(g)(6)(ii)
All trailers shall be securely attached to the vehicle drawing them by means of drawbars supplemented by suitable safety chains.

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