Richard Denison, Ph.D., is a Senior Scientist.

While I was on vacation last week, EPA’s proposed rule to improve chemical information reporting under its so-called Inventory Update Rule (IUR) was finally published in the Federal Register.  (I say “finally” because the proposal languished for almost 6 months over at OMB, nearly double the 90 days such mandatory reviews are supposed to take.  That unfortunate delay is curious given the relatively modest changes that appear to have been made by OMB – mostly limited to compelling EPA to shift a few elements from proposals to options open to comment, and requiring EPA to expand the range of issues on which it now seeks comment.)

I won’t summarize the EPA proposals here; EPA’s factsheet does a good job of that, and Daniel Rosenberg at NRDC has also nicely recapped the proposal on his blog.  Suffice it to say that the proposed changes would go far to address the many failings of the current IUR, which amply manifested themselves in the last reporting cycle and severely hampered EPA’s ability to assess high production volume (HPV) chemicals under its ill-fated ChAMP Initiative.

So how will the chemical industry react?  Here’s why I’ll be watching intently.  Read More »