Subpart C-Placards on Cars

§ 174.540 "Explosives" placards.

(a) Explosives placards as prescribed in § 174.550 must be applied to certified cars containing explosives, class A, specified in §§ 173.53 to 173.87 of this chapter. Placards must show in the spaces provided station name and date.

NOTE 1: For cars requiring the poison gas placard, see § 174.542.

§ 174.541 "Dangerous" placards; "Dangerous-Radioactive material" placards; or "Caution—-Residual phosphorus" placards.

(a) "Dangerous" placard, as prescribed by § 174.552 must be applied to cars, and container cars, as follows:

(1) Cars containing one or more packages bearing red, yellow, white acid, or corrosive liquid caution labels, or white "poison" labels, as prescribed by §§ 173.405 to 173.408 and 173.409(a) (2) of this chapter, or without labels as authorized in § 173.402(c) of this chapter.

(2) Cars containing flammable solids, oxidizing materials or poisonous solids, class B, in bulk.

(3) Tank cars containing flammable liquids, flammable solids or oxidizing materials, acids or corrosive liquids, poisonous liquids or solids, class B, compressed flammable gases, compressed nonflammable gases.

(4) Cars containing shipments of explosives, class B.

NOTE 1: For cars also requiring the poison gas placard, see § 174.542.

(5) When explosives, class A, are loaded in the same car with explosives, class B, or poisonous solids or liquids, class B, only the "Explosives" placard is required.

(b) "Dangerous-Radioactive Material" placards, as prescribed in § 174.553, must be applied to cars containing packages bearing a "radioactive yellow-III” label (three vertical red stripes) as prescribed in § 173.414(d) of this chapter, and to carload lots under §§ 173.392 and 173.393 (j) and (k) of this chapter.

(c) "Caution-Residual phosphorus" placard, as prescribed in § 174.555, must be applied to tank cars which last con

tained shipments of white or yellow phosphorus and which are required to be filled with water or inert gas before tank car is offered for return movement as provided in § 173.190(b) (3) of this chapter.

[29 F.R. 18774, Dec. 29, 1964, as amended by Amdt. 174-1, 33 F.R. 14931, Oct. 4, 1968] § 174.542 "Poison gas" placards.

(a) "Poison gas" placards as prescribed by § 174.551 must be applied to cars as follows:

(1) Cars containing one or more packages or articles bearing the "Poison gas" label.

(2) Cars containing ammunition for cannon with toxic gas projectiles, or projectiles, bombs, or other containers loaded with toxic gas requiring the "Poison gas" label.

NOTE 1: The poison gas placard must be applied to cars in addition to any other placards required.

(b) "Flammable poison gas" placards. "Flammable poison gas" placards as prescribed in § 174.556 must be applied to Class 105A-W tank cars containing hydrocyanic acid.

(c) "Poison gas" placards. "Poison gas" placards, for tank cars, as prescribed in § 174.557 must be applied to tank cars containing class A poisons except hydrocyanic acid.

§ 174.543 Placarding cars;

trains.

passenger

(4) Cars loaded with electric storage batteries containing electrolyte or corrosive battery fluid in carload lots.

(5) Cars carrying shipments of electrolyte acid or corrosive battery fluid together with self-propelled vehicles or mobile agricultural machinery in accordance with the provisions of § 173.257 (c).

(6) Cars containing packages of radioactive material which are exempted from labeling under § 173.391 of this chapter; which bear only the labels prescribed in § 173.414 (b) and (c) of this chapter; or which are exempted from placarding under § 173.392 (c) (7) of this chapter. [29 F.R. 18774, Dec. 29, 1964, as amended by Amdt. 174-1, 33 F.R. 14931, Oct. 4, 1968] § 174.545 Commodity name on carloads. (a) Placards for carloads of class B explosives and other dangerous articles must show thereon, in the space provided, the proper name of the commodity as prescribed by § 172.5 of this chapter, or the commodity name must be shown on tag board cards measuring approximately 5 by 8 inches securely attached to each side of the car.

§ 174.546 Placards must be standard.

(a) Placards must conform to standards as prescribed. Samples will be furnished by the Bureau of Explosives on request.

(b) Tagboard placards must be printed on strong tagboard of quality and strength not less than that designated commercially as 100 percent sulphate, weighing 125 pounds per ream, of sheets 24 x 36 inches, and having a resistance of not less than 60 pounds per square inch Mullen test.

(c) Paper placards must be printed on strong white paper.

(d) Placards or car cards which by their shape, coloring, or printing may be readily confused with the standard placards prescribed in this part must not be used.

(e) Carrier's or shipper's name and stationery form number may be printed on placards in type not larger than 10 point, but must be printed thereon separate from any placard wording.

(f) When the tag board placards bearwording prescribed in § 174.552 (a) and

(See

(a) Shippers must have applied placards to cars loaded by them when cars are acceptable for transportation. § 174.549 for method of application.) § 174.549 Application of placards.

(a) Placards must be securely applied one to each end and each side of car, as follows:

(1) By tacking tag-board placards to each end and each side of cars, or to placard boards of suitable size provided for the purpose.

(2) Placards applied to the sides of closed or open top cars containing explosives or other dangerous articles must be attached to the fixed placard board or to the side of the wooden car between car initials and number and the car door.

(3) Tacks when used must have heads at least 1/4 inch across. At least 5 tacks must be used, one at each corner and one in the center of the placard, or when stapling devices are used the staples should be made of flat metal of not less than 19 gauge, and the space between the legs of the staples should be at least % inch and length of staples not less than 4 inch. At least 9 staples must be used, one at each corner, one along edge between each corner, and one in center. Tacks, nails, staples, or other devices used in previous application of placards must be removed when their presence interferes with proper application of placards.

(4) By insertion of tag-board placards in suitable placard holders affixed to cars.

(5) Paper placards must be securely pasted to metal or other smooth surfaces. Metal placard boards must be used