260 HOG CHOLERA 



essential to assure cleanliness of all persons handling 

 viruses, serums, toxins, or analogous products. 



SECTION 4. There shall be an efficient drainage and 

 plumbing system for the establishment and premises, 

 and all drains and gutters shall be properly installed 

 with approved traps and vents. 



SECTION 5. The water supply, both hot and cold, shall 

 be ample and clean. Adequate facilities shall be pro- 

 vided for the distribution of water in each establish- 

 ment and for the washing of all equipment, containers, 

 machinery, instruments, other apparatus, and animals 

 used in the preparation, handling, or storing of any 

 viruses, serums, toxins, or analogous products. 



SECTION 6. All equipment, containers, instruments, 

 and other apparatus used in the preparation, handling, 

 or storing of any virus, serum, toxin, or analogous prod- 

 uct shall be of such material, construction, and design 

 as can be readily and thoroughly cleaned and sterilized, 

 and such equipment, containers, instruments, and other 

 apparatus shall be handled so as to insure freedom from 

 contamination. Equipment, containers, instruments, and 

 other apparatus used for preparing, handling, or stor- 

 ing virulent or attenuated micro-organisms or toxins 

 shall not be used for handling, preparing, Or storing 

 other forms of biological products. 



SECTION 7. All employees of the establishment who 

 handle viruses, serums, toxins, or analogous products 

 shall keep their hands and clothing clean. The hands 

 of such employees shall not come into contact with any 

 viruses, serums, toxins, or analogous products, or with 

 any part of the equipment, containers, instruments, or 

 other apparatus, which after sterilization may come into 

 contact with any such products. 



SECTION 8. Caps, gowns, and other outer clothing 

 worn by persons while handling any viruses, serums, 

 toxins, or analogous products, or by those who enter 



