AC.KKKMKXT WITH DAIRYMEN. 159 



Pastures or paddocks to which cows have- access shall he : (1) Free 

 from marsh or stagnant pool ; (2) Crossed by no stream which might 

 easily become dangerously contaminated ; (3) At sufficient distance from 

 offensive conditions to suffer no bad effect from them. 



I VOCATION, CONSTRUCTION, LIGHTING, AND VENTILATION OF STABLES 

 AND OTHER BUILDINGS. 



Buildings in which "certified" milk is produced or handled shall be 

 located where good drainage can be secured and at sufficient distance 

 from other buildings, dusty roads, cultivated and dusty fields and other 

 possible .sources of contamination, to avoid excessive dirt, dust, or odors 

 from such 'places. 



The stables shall be constructed so as to favor the comfort of the cows 

 and the efficiency of labor. The floor shall be of cement or an equally 

 durable and non-absorbent material, and sloped to provide drainage. 

 Stall floors may be constructed of sound plank well laid on cement. 



The inside surface of the walls and all interior construction shall be 

 smooth, with tight joints, and capable of shedding water. The ceiling 

 shall be of smooth material and dust tight. All horizontal and slanting 

 surfaces which might harbor dust shall be avoided as far as possible. 



The stable shall be as well lighted as the average house, and shall 

 have an average of at least four square feet of window glass for each 

 animal, with as much sunlight as possible, and the light evenly dis- 

 tributed. 



The ventilation shall be so efficient that one will not notice a stale, 

 disagreeable, or strong odor on entering the building. 



DRAINAGE. 



Drainage from buildings shall be carried under ground to a point at 

 least one hundred feet from any building used for producing or hand- 

 ling milk, and so far away that odors from the drain openings can not 

 find entrance to the buildings. 



WATER SUPPLY. 



There shall be an abundance of pure water from an approved city or 

 town supply, or from a deep well or deep spring, thoroughly protected 

 against the entrance of surface water and located not less than one hun- 

 dred feet from stable, barnyard, privy, or other possible sources of con- 

 tamination. 



>No other water except that from approved reservoirs or filters shall be 

 used for cooling milk, cleaning utensils, or otherwise in the dairy house. 

 The cows may be permitted to drink from a running stream of clear 

 water. 



Examination of water. The water shall be examined by the bacteri- 

 ologist and chemist at least once each winter and once each summer, 



