The site navigation utilizes arrow, enter, escape, and space bar key commands. Left and right arrows move across top level links and expand / close menus in sub levels. Up and Down arrows will open main level menus and toggle through sub tier links. Enter and space open menus and escape closes them as well. Tab will move on to the next part of the site rather than go through menu items.
On September 12, 2013, the Occupational Safety and Health Administration (OSHA) issued a proposed rule on Occupational Exposure to Crystalline Silica. OSHA has set an enforcement date of September 23, 2017, to comply with the Final Rule on Crystalline Silica.
OSHA-Crystalline-Silica-Rule-GuidebooksNECA members and safety professionals should review OSHA documentation related to these regulations (attached below and available via the OSHA website) to stay abreast of the current rules and information about silica-related injury and illness in construction.