Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Metabolic pathways of exposure chemicals in whole poplar plants. 4′-PCB 3 sulfate was only analyzed in wood and root samples due to influence of matrices. The yield percentages in bold face without any parentheses were measured from results of the experiments while the others (with parentheses) are calculated (inferred from the mass balance and reaction pathways).
