The criteria for the first ISO standard on occupational health and safety (OH&S) management systems has just been released.  While it's not likely that the majority of US companies will jump at the opportunity to become certified soon, the standard  provides a uniform model that we can utilize as appropriate for the needs at our companies. Check out this article that provides an overview of the management system.  Copies of the ISO 45001 standard can be purchased from ANSI.