Clark County officials are looking to national authorities for guidance on how safety standards might be improved in light of the mass shooting Oct. 1 at the Route 91 Harvest Festival. And the two leading associations that craft the safety policies adopted by most municipalities across the country are looking right back at Las Vegas. “I have no doubt there will be a review,” said Fulton Cochran, assistant fire chief with the county’s department of building and fire prevention, of how the International Code Council (ICC) and National Fire Prevention Association (NFPA) might modify recommendations after analysis of the incident.