As Sandy's high winds and water subside, many of us are feeling profoundly grateful to the emergency responders who've been putting themselves in harm's way to keep the rest of us safe. Although their jobs by definition involve working in hazardous situations, there's a lot their agencies and incident commanders can do to protect response workers. Earlier this year, the National Institute for Occupational Safety and Health released the Emergency Responder Health Monitoring and Surveillance (ERHMS) system, which provides guidelines for protecting emergency responders in a wide variety of…