[Experimental data on the determination of the maximum permissible concentration of dichlorethane in the atmosphere].
1957
M K BORISOVA
UI
MeSH Term
Description
Entries
D005018
Ethyl Chloride
A gas that condenses under slight pressure. Because of its low boiling point ethyl chloride sprayed on skin produces an intense cold by evaporation. Cold blocks nerve conduction. Ethyl chloride has been used in surgery but is primarily used to relieve local pain in sports medicine.
The presence of contaminants or pollutant substances in the air (AIR POLLUTANTS) that interfere with human health or welfare, or produce other harmful environmental effects. The substances may include GASES; PARTICULATE MATTER; or volatile ORGANIC CHEMICALS.
Air Quality,Air Pollutions,Pollution, Air
D001272
Atmosphere
The gaseous envelope surrounding a planet or similar body. (From Random House Unabridged Dictionary, 2d ed)