Page ContentDivision of Environmental Protection (DEP)If you have questions on the NEMS or need assistance with any of our programs, please contact our office by calling (301) 496-7775 or by emailing ORF-DEP@mail.nih.gov.Other DEP ContactsDEP ProgramsContact InformationChemical Waste Pick-up: 301-496-4710 Assistance: 301-496-7990 Radioactive Multihazardous Waste Pick-up: 301-496-4451 Assistance: 301-496-5774 Medical Pathological Waste Pick-up: 301-402-6349 Assistance: 301-496-2346 General Waste Recycling Pick-up: 301-402-6349 Assistance: 301-496-7990 Decommissioning depdecom@nih.gov