Are moves toward threshold-based chemicals risk assessment premature? (TTCs part 3)

Are moves toward threshold-based chemicals risk assessment premature? (TTCs part 3)
http://healthandenvironmentonline.com/2012/03/17/are-moves-toward-threshold-based-chemicals-risk-assessment-premature/

"Because of the possible far-reaching consequences of their adoption, the adoption of thresholds of toxicological concern (TTCs) in regulatory risk assessment needs to be discussed in a broad, democratic environment where all affected parties are involved in a final decision. Moves to implement TTCs should not be made in isolation by small committees in single European authorities."