incineration within the research buildings. The prin- 
ipal research building is equipped with 2 incinerators, 
each with a capacity of burning 2,000 pounds per hour. 
13. Disinfection of equipment leaving the research 
buildings—Equipment may be removed from the re- 
search buildings only after supervised disinfection, 
sually by autoclaving (sterilization by superheated 
steam). 
14. Regulations affecting persons leaving the research 
buildings ——All persons leaving the research buildings 
are required to take decontaminating showers before 
they change again to their street clothing and exit 
through an uncontaminated area. 
In the principal laboratory building each person, 
_Animal rooms inside the research buildings are cleaned 
and disinfected after use in virus-disease studies. The 
usual disinfectant solution used contains lye and will 
kill foot-and-mouth disease virus that might be left on 
the walls, floor, and ceiling. 
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after removing work clothing and taking a soap shower, 
must pass through a bar gate into a deluge shower 6 
feet long. When the bar gate is opened, water auto- 
matically emerges from multiple spray nozzles directed 
so that all areas of the shower room are sprayed. The 
water remains on for a period of 20 seconds after the 
bar gate has been closed. All means of exit are 
equipped with this automatic system so that it is 
physically impossible to leave the building without a 
shower. 
Everyone leaving the island is required to agree not 
to come in contact with animals susceptible to the 
diseases under study, or areas where they are kept, for a 
specified period of as long as 1 week. 
Incinerators inside the research buildings are used to 
burn all refuse and carcasses of animals used in re 
search studies. 
buildings. 
Contaminated wastes never leave the 
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