What does PTB stand for?
PTB stands for "Persistent Toxic and Bioaccumulative"
How to abbreviate "Persistent Toxic and Bioaccumulative"?
"Persistent Toxic and Bioaccumulative" can be abbreviated as PTB
What is the meaning of PTB abbreviation?
The meaning of PTB abbreviation is "Persistent Toxic and Bioaccumulative"
What does PTB mean?
PTB as abbreviation means "Persistent Toxic and Bioaccumulative"
