• Dive summary:
• Drywall used in U.S. construction is soon to be regulated for its sulfur content, manufacturers' identification and disposal.
• A bill to impose amended requirements flew through Congress right after the wait for tax and spending legislation for the new year, and President Barack Obama is expected to sign it.
• The content of gypsum drywall and its health effects became an issue when Chinese drywall was suspected of being harmful, and it was difficult or impossible to track down where and how it had been made.

From the article:

Last month, Sen. David Vitter, R-La., successfully pushed a Senate amendment to loosen some of the bill’s language and to win the support of the National Association of Home Builders, which had previously opposed the bill. ...