What does tefs stand for?
tefs stands for "Toxic Equivalency Factors"
How to abbreviate "Toxic Equivalency Factors"?
"Toxic Equivalency Factors" can be abbreviated as tefs
What is the meaning of tefs abbreviation?
The meaning of tefs abbreviation is "Toxic Equivalency Factors"
What does tefs mean?
tefs as abbreviation means "Toxic Equivalency Factors"
