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List of Abbreviations
TEPP
tetraethyl pyrophosphate
TFA
trifuoroacetic acid
TFM
3-trifuoromethyl-4-nitrophenol
TLV
threshold limit values
TOCP
tri-o-cresyl phosphate
TPS
theoretical profle shape
TSCA
U.S. EPA Toxic Substances Control Act
TWA
Trans-World Airlines
UC, Davis
University of California, Davis
UNEP
United Nations Environment Programme
USDA-ARS
United States Department of Agriculture–Agricultural
Research Service
USGS
United States Geological Survey
VOC
Volatile Organic Compound
WHO
World Health Organization