THE MILK SITUATION IN THE DISTRICT OF COLUMBIA. 275 



for the washing of cans or utensils. When typhoid fever occurs, the use of the 

 water on the farm must be discontinued for the washing of cans and utensils 

 until it has been passed upon by the director of the laboratory of the department 

 of health. 



Rule 57. Sanitary standard for milk. All milk sold, offered for sale, kept 

 with the intention of selling, or sent to the city for the purpose of selling must 

 be free from dirt, foreign material, and sediment. Not more than a perceptible 

 sediment shall be left on a piece of white linen cloth 4 inches square when a 

 quart of well-mixed milk is strained through it. Milk on arrival in the city 

 must not contain more than 1,000,000 bacteria per cubic centimeter from May 1 

 to September 30 and not over 500,000 bacteria per cubic centimeter between 

 October 1 and April 30. Milk for delivery to the consumer shall not contain an 

 excessive number of bacteria. The sale of milk containing over 3,000,000 bac- 

 teria per cubic centimeter is prohibited, and the dealer selling or offering for 

 sale such milk shall, after three examinations of his milk on successive days 

 by the bacteriologist and showing bacterial counts above 3,000.000, be prohibited 

 from selling milk until the method of production and handling of his milk 

 supply has been properly regulated by the department. The sale of milk 

 containing tubercle, typhoid, diphtheria, or other pathogenic bacteria is pro- 

 hibited. The sale of milk containing excessive numbers of putrefying and gas- 

 producing microorganisms is prohibited. 



RUUS, MADE BY DE. W. A. EVANS, COMMISSIONER OF HEALTH, REQUIRING OPERATORS 

 OF DAIRY FARMS TO FURNISH INFORMATION ABOUT CONTAGIOUS DISEASE. 



This card must be filled out in detail and sent to the Chicago health depart- 

 ment on the 1st and 15th days of each month. If this is not done promptly, 

 the milk supply will be considered suspicious and will not be admitted until 

 an investigation can be made. 



Date , 190-. 



CHIEF DAIRY INSPECTOR. 



DEAR SIR: We have had contagious disease in our home and in the 



families of milkers and attendants , as follows: Typhoid, ; 



diphtheria, - ; chicken pox, - ; tuberculosis, - ; scarlet fever, 



; smallpox, ; measles, ; sore throat, . (Answer 



"Yes" or "No" in each blank space.) Patient took sick on (give date) and 



is attended by Dr. . 



Address . 



Signed -. 



P. O. address . 



AN ORDINANCE REQUIRING TUBERCULIN TEST OF Cows. 



[Passed by city council July 13, 1908.] 



MILK. 



Be it ordained ~by the city council of the city of .Chicago: 



SECTION 1. No milk, cream, buttermilk, or ice cream shall be sold, offered 

 for sale, exposed for sale, or kept with the intention of selling within the city 

 of Chicago after January 1, A. D. 1909, unless such milk or cream, or the milk 

 or cream contained in buttermilk and ice cream, be obtained from cows that 

 have given a satisfactory negative tuberculin test within one year. The cows 

 having been satisfactorily tested shall be marked "tuberculin tested," and shall 

 be numbered and a certificate shall be filed with the division of milk inspection 

 of the department of health of the city of Chicago, upon forms furnished by 

 the commissioner of health, giving the number, a brief description of the 

 animal, the date of the taking of said test, and the name of the owner. Said 

 certificate shall be signed by the person making such test: Provided, however, 

 That from January 1, 1909, for a period of five .years, to wit, until January 1, 

 1914, milk or cream or buttermilk and ice cream made from milk or cream 

 obtained from cows not tuberculin tested or not free from tuberculosis may be 

 sold within the city of Chicago if the milk or cream from said cows is 

 pasteurized according to the rules and regulations of the department of health 

 of the city of Chicago. 



