[pf] Houseplants

by Fitzsimmons, Diane

12 December 2000 15:32 UTC

This came from another list I'm on.  Any comments as to accuracy?  Diane

HOUSEPLANTS THAT CLEAN THE AIR
In a study for NASA, Wolverton Environmental Services (a firm 
specializing in solving environmental pollution problems) 
studied indoor plants and found the following percentages of 
toxins removed by one plant in a 12-cubic-foot area, during a 24 
hour period.
COMMON NAME TOXIN REMOVED
Aloe vera    Formaldehyde: 90%
Golden pothos    Carbon monoxide: 75%, Benzene: 67% 
Formaldehyde 47%
Elephant ear philodendron    Formaldehyde: 86%
Janet Craig (corn plant)    Benzene 79%
English ivy    Benzene: 90%
Peace lily    Benzene: 80%,Trichloroethylene: 50%
Ficus (weeping fig)    Formaldehyde: 47%
Spider plant    Carbon monoxide: 96%