<http://schema.org/description>
"Hazard Communication Standard will be fully implemented in 2016, though requirements for employee training on the new label elements and Safety Data Sheets (SDS) format has an effective completion date of Dec. 1, 2013."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.pfonline.com/news/us-department-of-labors-osha-revises-hazard-communication-standard>