protective housings by the use of a suitable tool. (1) Railroad defect cards must not be removed. (m) Ground around connections must be covered with fresh, dry sand or dirt, if oil or gasoline has been spilled previously. (n) All tools and implements used in connection with unloading should be kept free from oil, dirt, and grit. [15 F.R. 8352, Dec. 2, 1950] § 74.562 Removal of placards and car certificate after unloading. (a) When lading requiring placards or car certificates is removed from cars other than tank cars, placards and car certificates must be removed by the party unloading the car. (b) After tank car is unloaded, the party unloading the car must remove all shipping cards and "Dangerous" placards from car, or may replace or cover the placards with the "DangerousEmpty" placards prescribed in § 74.563, or reverse the reversible metal placards so as to exhibit the "Dangerous-Empty" wording, and must promptly notify the railroad agent that car is empty. (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. (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. (see paragraphs (d) and (f) of this section for "Flammable Poison GasEmpty" and "Poison Gas-Empty" placards respectively). The printing must be as shown in the cuts in this section, in black on strong white paper, or on tag board designated commercially as 100 percent sulphate, weighing 125 pounds per ream, of sheets 24 inches by 36 inches, and having a resistance of not less than 60 pounds per square inch, Mullen test. (e) After poison gas is unloaded from tank car, the party unloading the car must remove all shipping cards and "Poison Gas" placards from car. "Dangerous-Empty Poison Gas" placards detailed in § 74.563 (f) must be applied to empty tank car. [15 F.R. 8353, Dec. 2, 1950, as amended by Order 5, 17 F.R. 4296, May 10, 1952; Order 37, 24 F.R. 907, Feb. 6, 1959; Order 39, 24 F.R. 5641, July 14, 1959; Order 55, 27 F.R. 6739, July 17, 1962] NOTE 1: The words "Keep lights and fires away" and "Flammable or poisonous vapor" may be omitted from placards attached to tank cars which previously contained alkaline corrosive liquids or corrosive liquids which do not react with the metal wall or lining of the tank to form a flammable or poisonous gas. (d) "Flammable Poison Gas-Empty" placard must be of rectangular shape, measuring 13 inches by 17 inches and must bear the wording as shown in the following cut. (1) The reverse side of such placards may bear the wording as prescribed for the "Poison Gas" placard. (See § 74.557.) [15 F.R. 8353, Dec. 2, 1950, as amended by Order 6, 17 F.R. 7283, Aug. 9, 1952; Order 39, 24 F.R. 5641, July 14, 1959; Order 55, 27 F.R. 6739, July 17, 1962] § 74.564 Removal and disposition of explosives and other dangerous articles at destination. (a) Delivery at nonagency stations. Shipments of explosives must not be unloaded at nonagency stations unless the consignee is there to receive them or unless properly locked and secure storage facilities are provided at that point for their protection. (1) If delivery cannot be so made, shipment must be taken to next or nearest agency station for delivery. (b) Delivery at agency stations. Carrier must require consignee to remove shipments of explosives and other dangerous articles from carrier's property within 48 hours after notice of arrival has been sent or given. Saturdays, Sundays, and holidays are not included. If not so removed, carrier must immediately dispose of the shipments as follows: (1) Class A explosives, by storage at the expense of the owner or by return to the shipper if reasonably safe storage is not available; by sale; when necessary to safety, by destruction under supervision of a competent person. (2) Explosives and other dangerous articles, except class A explosives, in carload and less-than-carload lots as prescribed in subparagraphs (3) and (4) of this paragraph. (3) Carload shipments: By storage on carrier's property; by storage on other than carrier's property, if safe storage on carrier's propety is not available; by sale at expiration of 15 calendar days after notice of arrival has been sent or given to consignee, provided consignor has been notified of nondelivery at expiration of 48-hour period and orders for disposition have not been received. (4) Less-than-carload shipments: By return to shipper if notice of nondelivery was requested and given consignor as prescribed by carrier's tariff, and orders for return to shipper have been received; by storage on carrier's property; by storage on other than carrier's property, if safe storage on carrier's property is not available; by sale at expiration of 15 calendar days after notice of arrival has been sent or given to consignee, provided consignor has been notified of non (a) Consignees must report promptly to the Bureau of Explosives all instances of improper staying and broken, leaking, or defective containers of explosives or other dangerous articles in shipments received by them. (b) The Bureau of Explosives, upon receipt of reports from consignees, should promptly report to the shipper full particulars covering all cases of defective packing, improper staying, leaking and/or broken shipping containers and rough treatment of cars resulting in leakage or damage to shipping containers or staying. [15 F.R. 8353, Dec. 2, 1950] § 74.566 Cleaning cars. (a) Cars which have contained arsenic, arsenate of lead, sodium arsenate, calcium arsenate, Paris green, calcium cyanide, potassium cyanide, sodium cyanide, or other poisonous articles, which show any evidence of leakage from packages, must be thoroughly cleaned after unloading before cars are again placed in service. (b) After unloading poisons or potassium permanganate from steel hopper cars or other cars, cars must be thoroughly flushed out with water except that cars used exclusively in this service under the provisions of §§ 73.194 (a) (3) and 73.368 (a) of this chapter shall not be subject to this requirement. (c) All loose powder or other explosive or any other dangerous article which has leaked from packages must be carefully removed from car and other railroad property. (d) Any box car which, after use for the transportation of radioactive materials in carload lots, is contaminated with such materials to the extent that a survey of the interior surface shows that the beta-gamma radiation is greater than 10 milliroentgens physical equivalent in 24 hours or that the average alpha contamination is greater than 500 dis integrations per minute per 100 square centimeters shall be thoroughly cleaned in such a manner that a resurvey of the interior surface shows the contamination to be below these levels. A certificate to that effect must be furnished to the local agent of the carrier. Cars which are used solely for the transportation of radioactive materials are exempt from the provisions of this section. [15 F.R. 8353, Dec. 2, 1950, as amended by Order 10, 18 F.R. 3138, June 2, 1953; Order 14, 19 F.R. 3262, June 3, 1954; Order 18, 20 FR. 953, Feb. 15, 1955; Order 44, 25 F.R. 10397, Oct. 29, 1960] § 74.567 Flammable vapors. (a) A box car or container car placarded "Dangerous", or known to contain flammable liquids, gases, or vapors must not be entered with a lighted open-flame lantern, torch, or other fire, until both car doors have been opened and sufficient time allowed for ventilation and escape of any vapors. The presence of these vapors will generally be indicated by characteristic odors. When leakage is continuous, ventilation will not remove the danger. The leaking package should be located and removed, using electric lights or waiting for daylight. [15 F.R. 8354, Dec. 2, 1950] Subpart E-Handling by Carriers by § 74.575 (a) When local conditions make the acceptance, transportation, or delivery of explosives or other dangerous articles unusually hazardous, local restrictions may be imposed by the carrier. (b) All carriers must report to the Bureau of Explosives for publication full information as to restrictions which may be imposed against the acceptance, delivery, or transportation of explosives or other dangerous articles, over any portion of their lines. [15 F.R. 8355, Dec. 2, 1950] § 74.576 Intermediate shippers and carriers. (a) Forwarding companies must have on file shipper's certified bill of lading or shipping order, and know that packages delivered to carrier for transportation comply with Parts 71-78 of this chapter. (b) Every carrier offering or delivering for rail transportation any loaded motor vehicle or any loaded motor vehicle trailer, semi-trailer, or container containing any shipment of an explosive or other dangerous article shall show on the shipping order, shipping paper, transfer sheet, or other billing issued in lieu thereof, in addition to the description of the vehicle or container, the proper and definite name of the commodity as shown in § 72.5 of this chapter and the color or kind of label or kind of placards applied. [15 F. R. 8344, Dec. 2, 1950, as amended by Order 28, 21 F. R. 9360, Nov. 30, 1956] § 74.577 Shipping days for explosives. (a) When practicable at any point, regular days should be assigned for receiving from shippers less-than-carload lots of explosives, class A, as shown in Part 73 of this chapter. (b) To enable the carrier to provide proper cars at stations where less-thancarload shipments of explosives, class A, are accepted for loading by the carrier, the shipper must give to the carrier not less than 24 hours' notice of his intention to offer such shipments, and state their destinations. When a regular day to receive all explosives shipments offered at such a station has been appointed, this notice may be waived by the carrier, but the explosives shipments must be delivered on such days in time to permit proper inspection, billing, and loading on that day. [15 F.R. 8354, Dec. 2, 1950] § 74.578 Flammable vapors. (a) A box car or container car placarded "Dangerous," or known to contain flammable liquids, must not be entered with a lighted open-flame lantern, torch, or other fire, until both car doors have been opened and sufficient time allowed for ventilation and escape of any vapors. The presence of these vapors will generally be indicated by characteristic odors. When leakage is continuous, ventilation will not remove the danger. The leaking package should be located and removed, using electric lights or waiting for daylight. [15 F.R. 8354, Dec. 2, 1950] § 74.579 Cars containing lading which has been fumigated or treated with flammable liquids, flammable gases, poisonous liquids or solids, or poisonous gases. (a) Delivery to carrier or transportation of cars containing lading fumigated or treated with flammable liquid or flammable gas is prohibited until 48 hours have elapsed after such fumigation or treatment, or until car has been ventilated so as to remove danger of fire or explosion due to the presence of flammable vapors. (b) Cars containing lading which has been fumigated or treated with poisonous liquid, solid, or gas, such as carbolic acid, liquid or solid, chlorpicrin, hydrocyanic acid, methyl bromide, etc., must be placarded on each door or near thereto with placard reading as follows (for cleaning cars, see § 74.566): ascertain that the shipment can go forward by the route designated, and to avoid delays en route the initial carrier must be in possession of full rate information, before forwarding the shipment. [15 F.R. 8354, Dec. 2, 1950] § 74.582 Movement to be expedited. (a) Carriers must forward shipments of explosives and other dangerous articles promptly and within 48 hours, Saturdays, Sundays, and holidays excluded, after acceptance at originating point or receipt at any yard, transfer station, or interchange point, except that where biweekly or weekly service only is performed, shipments of explosives and other dangerous articles must be forwarded on the first available train. (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. [15 F.R. 8354, Dec. 2, 1950, as amended by Order 17, 19 F.R. 8529, Dec. 14, 1954; 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] § 74.584 Waybills, switching orders, or other billing. (a) The revenue waybill, astray waybill, switching order or any other billing issued in lieu thereof, prepared from the shipping order or other shipping paper, or shipping orders used as waybills, must describe the article by shipping name as prescribed in § 72.5 of this chapter, and must show the color or kind of label notations for less-than-carload shipments or placard notations for carload shipments of explosives and other dangerous articles and placard indorsement as follows: |