(5) Gas handlers. Each shipment of one or more carloads, as described in subparagraphs (1), (2), (3), and (4) of this paragraph, shall be accompanied by a crew of qualified gas handlers, supplied with equipment to handle leaks or other container failure, which will permit the escape of gas. Gas handlers will remain with the shipment during the entire time that it is in the custody of the carrier. Gas handlers will, in the event of leakage or escape of gas, make repairs and perform decontamination, if necessary. If they need assistance they will advise the carrier's representative as to the nearest Chemical Warfare Service Depot and aid required.

[Subparagraph (5) amended by Order 39, 24 F.R. 5641, July 14, 1959]

*

§ 74.533 Truck bodies or trailers on flat cars. (a) Truck bodies or trailers containing explosives, class B, explosives, class C, or other dangerous articles as provided in Parts 71-78 of this chapter must be of such design and so loaded that they will not rupture or become seriously damaged under conditions normally incident to transportation and must be so secured on the flat car that they cannot change position during transit. Packages of explosives and dangerous articles contained therein must be loaded and braced as provided by §§ 74.529, 74.530, and 74.532. Placards must be applied when prescribed by §§ 74.541 and 74.542.

[Paragraph (a) amended by Order 34, 23 F. R. 2329, Apr. 10, 1958]

b Unless loaded in opposite ends of car, acids or other corrosive liquids, white label must not be loaded with yellow label articles, ammunition for cannon with or without projectiles, or propellant explosives, except that shippers loading carload shipments of white label and yellow label articles and who have obtained prior approval from the Bureau of Explosives may load such articles together when it is known that the mixture of contents will not cause a dangerous evolution of heat or gas.

[Footnote b amended by Order 30, 22 F. R. 3926, June 5, 1957]

Subpart C-Placards on Cars

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

*

(b)

"Dangerous-Radioactive material" placards, as prescribed in § 74.553, must be applied to cars containing shipments of class D poisons as provided in §§ 73.391 and 73.392 of this chapter. [Heading and paragraph (b) amended by Order 30, 22 F. R. 3926, June 5, 1957]

(c) "Caution-Residual phosphorus" placard, as prescribed in § 74.555, must be applied to tank cars which last contained 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

or

(g) Placards remaining on hand and in compliance with § 74.552(a) § 74.553 (a) in effect on June 19, 1960, may be used until present stocks are exhausted.

[Paragraph (g) amended by Order 43, 25 F.R. 6627, July 14, 1960]

§ 74.549 Application of placards. *

(h) Placards as required by §§ 74.540, 74.541, and 74.542 must be securely applied to both sides and both ends of car, or to both sides and both ends of truck body or trailer loaded on flat cars, containing explosives or other dangerous articles. Car certificates as required by § 74.525 must be securely applied to both sides of such cars. When more than one trailer is loaded on a flat car, placards must be applied so as to be plainly visible from both ends of the car. [Paragraph (h) amended by Order 32, 22 F.R. 7839, Oct. 3, 1957]

CODIFICATION: $ 74.553 was revised by Order 32, 22 F.R. 7839, Oct. 3, 1957. Subsequently, in the Dangerous Placard for Radioactive Material, the words "This car must not be next to a car containing explosives or carloads of undeveloped film" were changed to read "This car must not be next to a car placarded Explosives or next to carloads of undeveloped film" by Order 42, 25 F.R. 3103, Apr. 12, 1960.

Prior Amendments 1957: 22 F. R. 3926, June 5.

§ 74.555 "Caution-Residual phosphorus" placard. (a) Tank cars previously loaded with phosphorus, when shipped filled with water or inert gas, must bear a placard reading "CautionThis car contains residual phosphorus and must be kept filled with (water) or (inert gas)". The placard must be of diamond shape measuring 1034 inches on each side, and must bear the wording

CODIFICATION: § 74.556 was added by Order 39, 24 F.R. 5641, July 14, 1959. Subsequently the placard was amended by Order 40, 24 F.R. 8059, Oct. 6, 1959.

Subpart D-Unloading From Cars § 74.560 Tank car delivery.

(a) Tank cars containing flammable liquids or flammable poison gas having a flash point of 80° F. or below, except liquid road asphalt or tar, must not be delivered unless originally consigned or subsequently reconsigned to parties having private-siding (see Note 1 of this section) or to parties using railroad-siding facilities which have been equipped for piping the liquid from tank cars to permanent storage tanks of sufficient capacity to receive contents of car. [Paragraph (a) amended by Order 39, 24 F.R. 5641, July 14, 1959]

(b) The reverse side of such placards may bear the wording as prescribed for the "Flammable Poison Gas-Empty" placard. (See § 74.563).

(c) Tank cars filled with water or an inert gas after unloading phosphorus must have the "Dangerous" placards replaced by the caution placard for residual phosphorus as prescribed in § 74.555. [Paragraph (c) amended by Order 37, 24 F.R. 907, Feb. 6, 1959]

(d) After flammable poison gas is unloaded from tank car, the party unloading the car must remove all shipping cards and "Flammable Poison Gas" placards from car. "Dangerous-Empty Flammable Poison Gas" placards detailed in § 74.563 must be applied to empty tank car.

[Paragraph (d) added by Order 39, 24 F.R. 5641, July 14, 1959]

(b) No tank car loaded with flammable liquid, flammable poison gas or compressed flammable gas shall be received and held at any point, subject to forwarding orders, so as to defeat the purpose of this section or of § 74.560. [Paragraph (b) amended by Order 39, 24 F.R. 5642, July 14, 1959]

§ 74.583 Examination of shipping order and packages. (a) Carriers must examine shipping order and determine that proper certificate, as required under § 73.430 of this chapter, is given and that packages are not broken or leaking when offered for transportation.

[Order 30, 22 F. R. 3926, June 5, 1957]

61067-61-8

Page 97

(a)

For high explosives, initiating explosives, low explosives, and blasting caps or electric blasting caps more than 1,000 in quantity, class A. For explosive chemical ammunition containing class A poison gas. For explosives, class B.. For explosives, class C..

For flammable liquids..

For flammable solids.
For oxidizing materials.
For corrosive liquids.

For compressed nonflammable gases in containers other than tank cars. For compressed nonflammable gases in tank cars.

For compressed flammable gases.
For poisonous gases or liquids, class A.
For flammable poisonous liquids,
class A, in tank cars.

For poisonous liquids or solids, class
B.

For tear gases, class C..

For radioactive materials, class D poison.

"Dangerous Placard".

do....

"Poison Gas Placard". "Flammable Poison Gas

Placard".

"Dangerous Placard".

None

"Dangerous Radioactive Material Placard". "Caution-this car contains residual phosphorus and must be kept filled with (water) or (inert gas)".

"Dangerous-Flammable "Dangerous-FlamPoison Gas-Empty Placard".

Prior Amendments

1957: 22 F.R. 3926, June 5.

1959: 24 F.R. 907, Feb. 6; 24 F.R. 5642, July 14.

(f) The car ticket, card waybill, running slip, envelope containing waybills, or any other billing for any loaded car which in this chapter should bear “Explosives", "Dangerous", "DangerousRadioactive material", "Poison Gas", or "Flammable Poison Gas" placards must have plainly stamped, or plainly written, on the face of such billing, near the car number, in letters not less than threeeighths of an inch high, the words "Explosives", "Dangerous", "DangerousRadioactive material", "Poison Gas", or "Flammable Poison Gas"; and for container cars must also show which of the containers loaded thereon contain dangerous articles.

[Paragraph (f) amended by Order 39, 24 F.R. 5642, July 14, 1959]

Prior Amendments

1957: 22 F.R. 3926, June 5.

mable Poison GasEmpty".

(g) For tank cars not loaded, the billing must show the word "Empty", except that for tank cars previously loaded with white or yellow phosphorus the billing must show the words "Caution-This car contains residual phosphorus and must be kept filled with (water) or (inert gas)".

[Introductory text of paragraph (g) amended by Order 37, 24 F.R. 907, Feb. 6, 1959]

(1) For tank cars that last contained flammable poisonous liquids, class A, the billing must show the words "Dangerous-Flammable Poison Gas

Empty."

[Subparagraph (1) added by Order 42, 25 F.R. 3104, Apr. 12, 1960]

*

§ 74.586 Handling explosives and other dangerous articles.

(h) A container of radioactive material bearing red label must not be placed in cars, depots or other places closer than 3 feet to an area which may be continuously occupied by passengers, employees, or shipments of animals.