36 Bt'LLETIX i. r. S. DEPARTMENT of AGRICULTURE. 
(60° F.) : if it is nor. the specific gravity of the milk- at 15° C. must be calcu- 
lated from the specific gravity found and from the temperature, for in milk 
inspection and analysis this is the standard. 
METHODS AND REGULATIONS FOR THE MEDICAL EXAMINATION OF EMPLOYEES 
THEUR HEALTH AND PERSONAL HYGIENE. 
SO. 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 different localities, a separate physician should be designated for employment 
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 examination by the attending physi- 
cian. Xo person shall be employed who kas 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 recently had typhoid fever or is proved to be a typhoid carrier, or 
who has any inflammatory disease of the respiratory tract, or any suppurative 
process or infectious skin eruption, or any disease of an infectious or contagious 
nature, or who has recently been associated with children sick with contagious 
disease. 
91. In addition to ordinary habits of personal cleanliness all milkers 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 con- 
structed and operated according to plans approved by the commission. A 
separate bed shall be provided for each milker and each bed shall be kept sup- 
plied 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 sus- 
picion of having a contagious disease. 
The following plan of construction is recommened : 
The quarantine building and hospital should be one story high and contain at 
least two rooms, each with a capacity of about 6.000 cubic feet and containing 
not more than three beds each, the rooms to be separated by a closed partition. 
The doors opening into the rooms should be on opposite sides of the building and 
provided with locks. The windows should be barred and the sash should be at 
least 5 feet from the ground and constructed for proper ventilation. The walls 
should be of a material which will allow proper disinfection. The floor should 
be of painted or washable wood, preferably of concrete, and so constructed that 
the floor may be flushed and properly disinfected. Proper heating, lighting, and 
ventilating facilities should be provided. 
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 addition to carrying out the above-mentioned pro- 
gram, the attending physician shall take a culture and have it examined at once 
by a competent bacteriologist approved by the commission. Pending such exam- 
ination, the affected employee or employees shall be quarantined. 
95. It shall be the duty of the secretary, on receiving notice of any suspicious 
or contagious disease at the dairy, at once to notify the committee having in 
charge the medical supervision of employees of the dairy farm upon which such 
