APPENDIX , 261 



any room, compartment, or place where any such prod- 

 ucts are being handled, shall be of clean, white material 

 whenever practicable. 



SECTION 9. The outer premises of every licensed es- 

 tablishment, embracing docks, driveways, approaches, 

 yards, pens, chutes, and alleys, shall be properly drained 

 and kept in a clean and orderly condition. The accumu- 

 lation on the premises of an establishment of any ma- 

 terial in which flies may breed is forbidden. No nuisance 

 shall be allowed in any licensed establishment or on its 

 premises. 



SECTION 10. Every practicable precaution shall be 

 taken to keep establishments free of flies, rats, mice, and 

 other vermin. 



SECTION 11. All parts of the carcasses of animals pro- 

 ducing viruses, all dead animals, all refuse, and all 

 worthless, contaminated, dangerous, or harmful viruses, 

 serums, toxins, or analogous products, shall be inciner- 

 ated or otherwise destroyed by establishments in accord- 

 ance with methods approved by the chief bureau. 



SECTION 12. All rooms, compartments, and other 

 places used for preparing, handling, or storing viruses, 

 serums, toxins, or analogous products shall be kept clean 

 and sanitary, and all equipment, containers, instruments, 

 and other apparatus used in preparing, handling, or 

 storing any such products shall be thoroughly cleaned 

 and sterilized before use. 



SECTION 13. Smoking or expectorating in any room, 

 compartment, or place in which viruses, toxins, or analo- 

 gous products are prepared, handled, or stored is pro- 

 hibited. 



REGULATION 9. STERILIZATION 



SECTION 1. Paragraph 1. All equipment, containers, 

 instruments, and other apparatus, before being used in 

 preparing, handling, or storing viruses, serums, toxins, 

 or other analogous products, except as prescribed in the 



