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7. The exhaust air from the production area (VII-C-3-j) should 
not be discharged directly to the outdoors without filtra- 
tion and treatment. The air should be filtered through a 
HEPA filter and the ducts on the effluent side of the filter 
should contain Ultra Violet disinfection systems to treat 
the filtered air as an added safety precaution. Electronic 
filters or precipitators should be considered also. 
Armand R. Casola, Ph.D. 
cc: HFD-140 
HFD-140/HCZell 
HFD-140/ JARichman 
HFD- 10 2 / C S Kumkumian 
R/D init. by: ARCasola/1/11/80 
Final Typed: wje/ 1/14/80 
