About Us News & Events Event New Hampshire Department of Environmental Services (NHDES) and New Hampshire Business & Industry Association (BIA), Air & Water Regulatory Conference New Hampshire Department of Environmental Services (NHDES) and New Hampshire Business & Industry Association (BIA), Air & Water Regulatory Conference Location: DoubleTree by Hilton Manchester Downtown Hotel, Manchester, NH Date: September 21, 2022, 9:00 am – 4:30 pm Share This Share on Facebook (opens in a new tab) Share on X (opens in a new tab) Share on LinkedIn (opens in a new tab) You May Also Like 28th Annual New England Area American Society of Safety Professionals (ASSP) Professional Development Conference (PDC) Read more: 28th Annual New England Area American Society of Safety Professionals (ASSP) Professional Development Conference (PDC) 2026 Michigan Joint Environmental Conference Read more: 2026 Michigan Joint Environmental Conference 2026 Gulf of Maine Coastal Conference Read more: 2026 Gulf of Maine Coastal Conference View All News