For those who deal with emergency planning and response know all too well about EPCRA’s Tier Sheets, most notably Tier II sheets that facilities submit annually so as to inform the emergency response community of their hazardous materials and extremely hazardous substances on site. These Tier sheets have been around since 1986 and are still a staple item for Fire Departments to understand the hazards they may face from fixed facilities within their jurisdiction. In the past 15 years or so we have seen a lot of activity around Combustible Dusts, with the most recent being OSHA’s Globally Harmonized Hazcom standard and how Com Dust hazards have to be communicated to workers. Now, EPA is getting on board and helping those emergency responders who may find themselves exposed to these Com Dust Hazards during an emergency response; but food and food additives under FDA regulations get a pass. Here is what EPA says: