for at least one hour after they have been used and before being allowed to leave the compartment.

(c) All urine and feces of the patient shall be received into a 5 per cent solution of carbolic acid or other fluid of equivalent disinfecting value, placed in a covered vessel and allowed to stand for at least two hours after the last addition thereto before being emptied.

(d) A sheet of rubber or other impervious material shall be carried and shall be spread between the sheet and the mattress of any bed that may be used by the patient while in transit.

(e) Said nurse or attendant shall use all necessary precautions to prevent the access of flies to the patient or his discharges, and after performing any service to the patient shall at once cleanse the hands by washing them in a 2 per cent solution of carbolic acid or other fluid of equivalent [disinfecting] value.

(f) Provided, That if a person with typhoid or dysentery is presented at a railway station in ignorance of these regulations, and his transportation is necessary as a life saving or safeguarding measure, an emergency may be declared and the patient may be carried a reasonable distance in a baggage car if accompanied by an attendant responsible for his care and removal: Provided, also, That regulations (a), (b), (c), (d) and (e) of this section shall be complied with in so far as the circumstances will allow, and that all bedding, clothing, rags, or cloths used by the patient shall be removed with him: And provided further, That any parts of the car which have become contaminated by any discharges of the patient shall be disinfected at the end of the run by washing with a 5 per cent solution of carbolic acid or other fluid of equivalent disinfecting value.

SEC. 5. Restricted application for transportation.-No person knowing or suspecting himself to be afflicted with any of the diseases mentioned in section 3 and 4 shall apply for, procure, or accept transportation in any railway train, car, or other conveyance of a common carrier, nor shall any person apply for, procure, or accept such transportation for any minor, ward, patient, or other person under his charge, if known to be suspected or so afflicted, unless he shall have agreed to and made all necessary arrangements for complying and does so comply with the regulations set forth in said sections 3 and 4.

SEC. 6. Suspected cases.-If a conductor or other person in charge of a railway train, car, or other conveyance of a common carrier, or an agent or other person in charge of a railway station, shall have any reason to suspect that a passenger or a person contemplating passage is afflicted with any of the diseases enumerated in sections 1, 3, and 4, he shall notify the nearest health officer or company physician, if the health officer is not available, by the quickest and most practicable means possible, of his suspicion; and said health officer or physician shall immediately proceed to the train, car, or other conveyance at the nearest possible point, or to the railway station, to determine whether such disease exists.

SEC. 7. Disposition.-If the health officer or physician, as provided for in section 6, shall find any such person to be afflicted with any of the diseases enumerated in sections 1, 3, and 4 he shall remove such person from the station or conveyance, or shall isolate him and arrange for his removal at the nearest convenient point; shall treat the car or other conveyance as infected premises, allowing it to proceed to a convenient place for proper treatment if in his judgment consistent with the public welfare, in such case notifying the health officer in whose jurisdiction the place is located; and shall take such other measures as will protect the public health: Provided, That if not prohibited in sections 1 and 2 of these regulations the afflicted person so found may be allowed to

continue his travel if arrangements are made to comply and he does so comply with the requirements of the section of these regulations pertaining to the disease with which he is afflicted.

SEC. 8. Leprosy.-Common carriers shall not accept for transportation or transport in any railway train, car, or other conveyance any person known by them to be afflicted with leprosy, unless such person presents permits from the Surgeon General of the United States Public Health Service or his accredited representative and from the State department or board of health of the States from which and to which he is traveling, stating that such person may be received under [such] restrictions as will prevent the spread of the disease, and said restrictions shall be specified in each instance, and no person knowing or suspecting himself to be afflicted with leprosy, or any person acting for him, shall apply for, procure, or accept transportation from any common carrier unless such permits have been received and are presented, and unless the person so afflicted agrees to comply and does so comply with the restrictions ordered. If any agent of a common carrier shall suspect that any person in a train, car, or other conveyance, or at a railway station, is afflicted with leprosy, he shall proceed as directed in the case of other suspected diseases in sections 6 and 7 of these regulations.

SEC. 9. Pulmonary tuberculosis.—Common carriers shall not accept for transportation any person known by them to be afflicted with pulmonary tuberculosis in a communicable stage unless said person is provided with (a) a sputum cup made of impervious material and so constructed as to admit of being tightly closed when not in use, (b) a sufficient supply of gauze, papers, or similar articles of the proper size to cover the mouth and nose while coughing or sneezing, (c) a heavy paper bag or other tight container for receiving the soiled gauze, paper, or similar articles; and unless such person shall obligate himself to use the articles provided for in the manner intended and to destroy said articles by burning or to disinfect them by immersing for at least one hour in a 5 per cent solution of carbolic acid or other solution of equivalent disinfecting value; nor shall any person knowing himself to be so afflicted apply for, procure, or accept transportation unless he shall have agreed to and made all necessary arrangements for complying and does so comply with the regulations as set forth in this section.

SEC. 10. Conveyances vacated by infected persons.-Immediately after vacation by a person having any of the diseases mentioned in sections 1, 3, 4, and 8, or at the end of the trip on which such person was carried, the car or other conveyance shall be thoroughly cleaned and the blankets and linen used by such person shall be laundered.

II. WATER AND ICE SUPPLIES.

SEC. 11. Water to be certified.-Water provided by common carriers for drinking or culinary purposes in railway trains, cars, or other conveyances, or in railway stations, shall not be taken from a supply which is not certified as meeting the required standards of purity and safety from contamination prescribed by the interstate quarantine regulations of the United States. Common carriers are required to forward semiannually a list of water supplies so used to the Surgeon General of the United States Public Health Service, Washington, D. C., and to the respective State department or board of health having direct jurisdiction, requesting the issuance of certificates of examination permitting the use of the supplies enumerated. Such certificates when issued shall be kept in the files of the common carrier during the current period in force.

The issuance of a certificate unfavorable to the use of a supply forbids

its further use for drinking and culinary purposes until favorably certified. A favorable certificate must also be secured permitting the use of any supplies substituted for such condemned supplies.

Melted natural ice used as water supply for drinking and culinary purposes must be from sources of known safety and covered by certificates of examination similar to those required for water supply for drinking and culinary purposes used in interstate traffic, and such ice must be so melted as to prevent subsequent contamination.

SEC. 12. Ice.-Ice used for cooling water provided as in section 11 shall be clear natural ice, ice made from distilled water, or ice made from water certified as aforesaid; and before the ice is put into the water it shall be washed with water of known safety and handled in such manner as to prevent its becoming contaminated by the organisms of infectious diseases: Provided, That the foregoing shall not apply to ice that does not come in contact with the water to be cooled.

SEC. 13. Water containers.—Water containers in newly constructed cars, and those newly installed in stations, shall be so constructed that ice for cooling does not come in contact with the water to be cooled: Provided, That after July 1, 1922, all water containers in cars and stations shall be so constructed that ice does not come in contact with the water.

SEC. 14. Care of water containers.—All water containers where water and ice are put into the same compartment shall be thoroughly cleansed at least once in each week that they are in use. All water containers and water-storage tanks shall be thoroughly drained and flushed at intervals of not more than one month. All water containers shall, whenever practicable, be disinfected at intervals of not more than one month; and similar disinfection shall, whenever practicable, be made of water-storage tanks.

SEC. 15. Filling water containers.—Portable hose or tubing that is used for filling drinking-water containers, or car storage tanks from which such containers are filled, shall have smooth metal nozzles which shall be protected from dirt and contamination, and before the free end or nozzle of said hose or tubing is put into the water container or car storage tank it shall be flushed and washed by a plentiful stream of water.

III. CLEANING AND DISINFECTION OF CARS.

SEC. 16. General.-All railway passenger cars or other public conveyances shall be kept in a reasonably clean and sanitary condition at all times when they are in service, to be insured by mechanical cleaning at terminals and layover points.

SEC. 17. Cleaning.-All day coaches, parlor cars, buffet cars, dining cars, and sleeping cars shall be brushed, swept, and dusted at the end of each round trip, or at least once in each day they are in service, and shall be thoroughly cleaned at intervals of not more than seven days.

SEC. 18. Thorough cleaning.--Thorough cleaning shall consist of scrubbing the exposed floors with soap and water; similarly scrubbing the toilet and toilet-room floors; wiping down the woodwork with moist or oiled cloths; thorough dusting of upholstery and carpets by beating and brushing or by means of the vacuum process or compressed air; washing or otherwise cleaning windows; and the thorough airing of the car and its contents.

SEC. 19. Odors in cars.-When offensive odors appear in toilets or other parts of the car which are not obliterated and removed by cleaning as in section 18 said toilets or other parts of the car shall be treated with a 1 per cent solution of formaldehyde or other odor-destroying substance.

SEC. 20. Vermin in cars.-Whenever a car is known to have become infested with bedbugs, lice, fleas, or mosquitoes such a car shall be so treated as to effectively destroy such insects, and it shall not be used in service until such treatment has been given.

IV. CARS IN SERVICE.

SEC. 21. Cleaning.-The cleaning of cars while occupied shall be limited to the minimum consistent with the maintenance of cleanly conditions and shall be carried out so as to cause the least possible raising of dust or other annoyance to passengers.

SEC. 22. Sweeping.-Dry sweeping of the interior of a car in transit with an ordinary broom is prohibited.

SEC. 23. Dusting.-Dry dusting of the interior of a car in transit is prohibited. SEC. 24. Brushing.-The brushing of passengers' clothing in the body of the car in transit is prohibited.

SEC. 25. Drinking cups.-Individual drinking cups in sufficient number shall be supplied in all cars, and the use of common drinking cups is prohibited.

SEC. 26. Towels.-The supplying of roller towels or other towels for common use in cars is prohibited.

SEC. 27. Comb and brush.—The supplying of combs and brushes for common use in cars is prohibited.

SEC. 28. Spitting.—Spitting on the floors, carpets, walls, or other parts of cars by passengers or other occupants of them is prohibited.

SEC. 29. Cuspidors.—An adequate supply of cuspidors shall be provided in all sleeping cars, smoking cars, and smoking compartments of cars while in service. Said cuspidors shall be cleansed at the end of each trip, and oftener if their condition requires.

SEC. 30. Brushing of teeth.-Spitting into or brushing the teeth over wash basins in cars is prohibited. Separate basins for brushing the teeth shall be provided in the wash rooms of sleeping cars.

SEC. 31. Drinking water and ice.-Drinking water and ice in railway cars shall be supplied in accordance with the conditions set forth in sections 11, 12, 13, 14, and 15 of these regulations.

SEC. 32. Ventilation and heating.—All cars when in service shall be provided with an adequate supply of fresh air, and in cold weather shall be heated so as to maintain comfort. When artificial heat is necessary the temperature should not exceed 70° Fahrenheit, and in sleeping cars at night after passengers have retired it should not exceed 60° Fahrenheit.

SEC. 33. Toilets in dining cars.-A proper toilet room and lavatory shall be provided in all dining cars for the use of dining-car employees, and the same shall be supplied with toilet paper, soap, and clean towels, and shall be kept in a clean and sanitary condition. Such toilet room shall have no direct connection with the kitchen, pantry, or other place where food is prepared.

SEC. 34. Toilets in other cars.-A proper toilet room and lavatory shall be provided in all railway passenger cars, express cars, mail cars, and baggage cars for the use of their occupants. Such toilets shall be supplied with toilet paper, soap, and free or pay clean towels, and shall be kept in a clean and sanitary condition.

SEC. 35. Toilets to be locked. The toilet rooms in all railway cars shall be locked or otherwise protected from use while trains are standing at stations, passing through cities, or passing over watersheds draining into reservoirs furnishing domestic water supplies unless adequate water-tight containers are securely placed under the discharge pipe.

SEC. 36. Dining cars to be screened.-Dining cars shall be screened against the entrance of flies and other insects, and it shall be the duty of dining-car employees to destroy flies or other insects that may gain entrance.

SEC. 37. Dining-car employees to cleanse hands.-Dining-car employees shall thoroughly cleanse their hands by washing with soap and water after using a toilet or urinal, and immediately before beginning service.

SEC. 38. Care of tableware.-All cooking, table, and kitchen utensils, drinking glasses, and crockery used in the preparation or serving of food or drink in dining cars shall be thoroughly washed in boiling water and suitable cleansing material after each time they are used.

SEC. 39. Food containers.—Refrigerators, food boxes, or other receptacles for the storing of fresh food in dining and buffet cars shall be emptied and thoroughly washed with soap and hot water and treated with a 1 to 3,000 solution of permanganate of potash or other approved deodorant at least once in each seven days that they are in use.

SEC. 40. Food and milk.-No spoiled or tainted food, whether cooked or uncooked, shall be served in any dining car; and no milk or milk products shall be served unless the milk has been pasteurized or boiled.

SEC. 41. Garbage.—Garbage cans in sufficient number and with suitable tightfitting covers shall be provided in dining cars to care for all refuse food and other wastes, and such wastes shall not be thrown from the car along the right

of way.

SEC. 42. Dining-car inspection.-The chief of the dining car shall be responsible for compliance with all dining-car regulations, and he shall make an inspection of the car each day for the purpose of maintaining a rigorous cleanliness in all portions thereof.

SEC. 43. Examination of food handlers.—No person shall be employed as a cook, waiter, or in any other capacity in the preparation or serving of food in a dining car who is known or suspected to have any dangerous communicable disease; and all persons so employed shall undergo a physical examination by a competent physician before being assigned to service and before returning to work after any disabling illness to determine their freedom from such diseases, and shall be immediately relieved from service if found to be so afflicted. There shall be a monthly medical inspection for dangerous communicable diseases. To determine persons afflicted with, or carriers of, typhoid fever, tuberculosis, dysentery, diphtheria, streptococcic sore throat, scarlet fever, gonorrhea, syphilis, etc., a laboratory examination shall be made if necessary.

V. RAILWAY STATIONS.

SEC. 44. General.-All railway stations, including their waiting rooms, lunch rooms, restaurants, wash rooms, and toilets, shall be kept in a clean and sanitary condition at all times, to be insured by mechanical cleaning at regular intervals.

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SEC. 45. Cleaning.-All waiting rooms and other rooms used by the public shall be swept and dusted daily; and at intervals of not more than seven days the floors shall be scrubbed with soap and water, and the seats, benches, counters, and other woodwork shall be similarly scrubbed or shall be rubbed down with a cloth moistened with oil.

SEC. 46. Sweeping.—If sweeping is done while rooms are occupied or open to Occupancy by patrons, the floor shall be first sprinkled with wet sawdust or other dust-absorbing material.