Manganese Regulatory and Toxicological Developments National Slag Association Annual Meeting September 5, 2018 3:00 PM - 3:30 PM Oxon Hill, MD Gaylord National Resort & Convention Center On September 5, 2018, special counsel Joe Green will present "Manganese Regulatory and Toxicological Developments” at the National Slag Association Annual Meeting. PeopleJoseph Green Related Practices EnergyEnergy Regulation OfficeWashington, DC