American Environmental Landfill is a subtitle ‘D’ landfill that prides itself on maintaining a high level of service while me ... eting and exceeding state and national environmental standards. Our facility is open to the public daily, Monday through Saturday, and is considered Oklahoma’s safest, cleanest, and most environmentally conscious landfill. AEL accepts municipal solid waste (MSW), construction demolition material (C&D), plus, special or industrial waste that meets the Department of Environmental Quality standards. read more