THE MILK SITUATION IN THE DISTRICT OF COLUMBIA. 279 



fever, diphtheria, or smallpox, or residing in a house or apartment where these 

 diseases exist, has worked therein, together with all milk and cream therein, 

 except such cans as are still properly sealed and closed and have not been 

 opened since they were closed and sealed in the country. No person convales- 

 cent from contagious disease or living in houses or premises in which con- 

 tagious disease exists shall reengage in the handling of milk until the bureau of 

 contagious diseases has enforced suitable quarantine regulations and the neces- 

 sary disinfection has been done by the department. No individuals residing 

 in a quarantined house or place shall be permitted to enter a milk depot. 



Rule 15. Operation. All milk shall be stored at a temperature not above 

 50 F. No can or bottle of milk shall be completely submerged in impure 

 water or water from impure or insanitary ice. Impure ice, especially such ice 

 sold for refrigerating purposes only, must not come in contact with milk and 

 milk utensils or be used in water or milk vats. Sour milk must not be per- 

 mitted to stand in the farmers' cans. Nothing except milk, cream, or butter 

 shall be permitted in the milk vats, ice boxes, and coolers. Returned empty 

 bottles and other utensils must be thoroughly cleaned and sterilized before 

 being taken into the milk room. 



CITY DAIRIES. 



No cow or cows shall be kept in the city for the purpose of producing milk, 

 except in conformity with the following rules : 



Rule 36. Permit to keep cows required. A permit to keep cows must be 

 secured from the health department for each location, meaning thereby each 

 barn or closely related system where such cows are to be kept. The application 

 for this permit must show: (a) The number of cows; (6) the cubic feet of 

 air space; (c) the facilities for disposing of manure; (d) the ventilation; 

 (e) the distance from human habitation; (/) the facilities for excluding flies. 



Rule 37. Location. No cows shall be stabled within 30 feet of a residence, 

 the distance being measured in a straight line from the nearest point of the 

 stable to the nearest point occupied by a person. 



Rule 38. Construction. A permit shall not be issued unless the facilities are 

 such that the stable shall have ample ventilation, to wit, 3,000 cubic feet of 

 fresh air per cow or other animal per hour, or unless the stables are clean, 

 well lighted, and capable of being so maintained. Manure and urine must be 

 cared for so a snot to become a nuisance. The barn must be so constructed that 

 flies can not reach the animal or the manure. 



Rule 39. Revoking of permit. The permit shall be canceled if the premises 

 are not kept clean, or the manure is allowed to accumulate, flies breed or con- 

 gregate therein, or the place becomes or is allowed to become a nuisance. 



Rule 40. Cows must ~be free from tuberculosis. Cows kept for the purpose of 

 producing milk shall be tested with tuberculin once each year. The results of 

 such tests shall be open to the inspection of the health department at all times. 

 No tubercular cow or markedly undernourished cow shall be allowed in any 

 herd or stable, except a special permit be granted therefor. The milk from 

 such cows shall be pasteurized at a temperature not less than 175 F. for more 

 than 30 seconds in a stream not more than one-quarter of an inch thick be- 

 fore it shall be deemed fit for human food. 



Rule 41. Keeping and care of milk. Milk from cows held in the city shall not 

 be kept in the same room with the cows nor any other animal, nor in any 

 place ventilating into such room. 



Rule 42. Standards of purity for such milk. The milk in all particulars shall 

 conform to the same rules and regulations as those pertaining to country-pro- 

 duced milk. 



Rule 43. Maintenance. The stables shall be cleaned every day. The ma- 

 nure shall be hauled away every day from May 1 to October 1 and once a week 

 for the remainder of the year, provided the stable is within 200 feet of a house. 

 If the distance to the nearest house is over 200 feet then it shall be hauled 

 away not less often than once a week. 



Rule 44. Keeping of cows. No cows shall be confined in any yard or tethered 

 on any street or common within 30 feet of any dwelling, church, school, store, 

 or hall. 



Where an owner tethers a cow on a street or common he shall maintain 

 the tether zone free from anything which may make it a nuisance. 



Rule 45. Maintenance of nuisance prohibited. Nothing in these rules shall 

 be construed as allowing the maintenance of a nuisance. 



