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!� AMERICAN NATIONAL STANDARD K61.1.1931 water gallons(13.2ma)capacity shall beunloaded including those built to DOT Specification 51, only at approved locations meeting the require- 106A or 110A, are used for farm storage they ments of Paragraphs 2.10.3 and 2.12.8. shall comply with Section 3.When portable tanks are used as shipping containers in interstate 6.8 Trailers and Semi-Trailers commerce they shall comply with Section 5. 6.8.1 Trailers shall be firmly and securely 6.13 Safety Equipment attached to the vehicle drawing them by means of suitable drawbars, supplemented by suitable 6.13.1 All tank trucks, trailers, and semi- safety chain (or chains)or safety cables. trailers should be equipped with the following for 6.8.2 Every trailer and semi-trailer shall be emergency and rescue purposes: equipped with an emergency braking system to (a) One full face gas mask with an anhydrous be activated in the event of hitch failure. ammonia canister and at least one spare anhydrous ammonia canister. 6.8.3 Trailers shall be of a type of construction (b) One pair of protective gloves made of which will prevent the towed vehicle from rubber or other material impervious to ammonia. whipping or swerving dangerously from side to (c) One pair of flexible fitting, hooded venti- side and which will cause ittofollow substantially lation goggles, or flexible fitting hooded venti- in the path of the towing vehicle. lation goggles and full face shield. 6.8.4 Where a fifth wheel is employed on a (d) A container of not less than five gallons semi-trailer, it shall be ruggedly designed, (18.9 L)of readily available clean water. securely fastened to both units, and equipped 7 SYSTEMS MOUNTED ON FARM with a positive locking mechanism which will WAGONS (IMPLEMENTS-OFFA prevent separation of the two units except by HUSBANRY manual release. ) FOR THE 6.8.5 Every trailer or semi-trailer shall be TRANSPORTATION OF AMMONIA !� provided with side lights and a tail light. This section applies to containers of3000gallons (11.4 Mnte3 capacity or less and pertinent equipment 6.9 Electrical Equipment and Lighting bandry) anan d sed for wagons transportation l ements ttof 6.9.1 Tank trucks, tank trailers, and tank ammonia. All Basic Rules of Section 2 apple to semi-trailers, may not be equipped with any this section unless otherwise noted. artificial light other than electric light. Electric lighting circuits shall have suitable overcurrent 7.1 Design of Containers pprotection (fuses or automatic circuit breakers). 7,1,1 Containers shall be constructed in Thewiringshall havesufficientcarrying capacity accordance with Paragraph 2.2. and mechanical strength, and shall be suitably ded,insulated and protected against physical amn7.2 Mounting Containers g 7.2.1 A suitable "stop" or "stops" shall be 6.10 Protection Against Collision mounted on the farm wagon or on the container in 6.10.1 Each tank motor vehicle shall be pro- such a way that the container shall not be vided with properly attached bumpersorchassis dislodged from its mounting due to farm wagon coming to asudden stop.Back slippage shall also extensions arranged to protect the tank, piping, valves and fittings from physical damage in casbe prevented by proper methods. of collision. 7.2.2 A suitable "hold-down" device shall be provided which will anchor the container to the 6.11 Chock Blocks farm wagon at one or more places on each side of 6.11.1 At least two chock blocks shall be the container. provided.These blocks shall be placed to prevent 7.2.3 When containers are mounted on four- rolling of the vehicle whenever it is parked wheel farm wagons, care shall be taken to insure during loading and unloading operations. that the weight is distributed evenly over both axles. 6.12 Portable Tanks (Including Skid Tanks) 7,2.4 When the cradle and the container are 6.12.1 Whenportable tanks are used in lieu of notmelded together, suitable material shall be cargo tanks and are permanently mounted on used between them to eliminate metal-to-metal tank motor vehicles for the transportation of friction. ammonia, they shall comply with the require- ments of Section 6. Where portable tanks, 'See Footnote to 2.10.3(x)on page 13. 23