CERTIFIED MILK 221 



87. Specific gravity. The specific gravity of certified milk shall 

 range from 1.029 to 1.034. 



88. The specific gravity shall be determined at least each month. 



METHODS AND REGULATIONS FOR THE MEDICAL EXAMINATION OP 

 EMPLOYEES : THEIR HEALTH AND PERSONAL HYGIENE 



89. A medical officer, known as the attending dairy physician, 

 shall be selected by the commission, who should reside near the dairy 

 producing certified milk. He shall be a physician in good standing 

 and authorized by law to practice medicine ; he shall be responsible 

 to the commission and subject to its direction. In case more than 

 one dairy is under the control of the commission and they are in dif- 

 ferent localities, a separate physician should be designated for employ- 

 ment for the supervision of each dairy. 



90. Before any person shall come on the premises to live and remain 

 as an employee, such person, before being engaged in milking or the 

 handling of milk, shall be subjected to a complete physical examina- 

 tion by the attending physician. No person shall be employed who 

 has not been vaccinated recently or who upon examination is found 

 to have a sore throat, or to be suffering from any form of tuberculosis, 

 venereal disease, conjunctivitis, diarrhea, dysentery, or who has re- 

 cently had typhoid fever or is proved to be a typhoid carrier, or who 

 has any inflammatory disease of the respiratory tract, or any suppura- 

 tive process or infectious skin eruption, or any disease of an infectious 

 or contagious nature, or who has recently been associated with chil- 

 dren sick with contagious disease. 



91. In addition to ordinary habits of personal cleanliness all milk- 

 ers shall have well-trimmed hair, wear close-fitting caps, and have 

 clean-shaven faces. 



92. When the milkers live upon the premises their dormitories 

 shall be constructed and operated according to plans approved by 

 the commission. A separate bed shall be provided for each milker 

 and each bed shall be kept supplied with clean bedclothes. Proper 

 bathing facilities shall be provided for all employees on the dairy 

 premises, preferably a shower bath, and frequent bathing shall be 

 enjoined. 



93. In case the employees live on the dairy premises a suitable 

 building shall be provided to be used for the isolation and quarantine 

 of persons under suspicion of having a contagious disease. 



94. In the event of any illness of a suspicious nature the attending 

 physician shall immediately quarantine the suspect, notify the health 

 authorities and the secretary of the commission, and examine each 

 member of the dairy force, and in every inflammatory affection of the 

 nose or throat occurring among the employees of the dairy, in addi- 



