The Office of Waste Management has two primary functions:

• To oversee the investigation and remediation of contaminated sites and releases from leaking underground storage tanks.
• To regulate and permit facilities that accept or transport solid, medical or hazardous waste or that store petroleum products in underground tanks.

These functions are divided into:

1. Underground Storage Tank Management - Registration and Modification of Underground Storage Tank Systems (UST program), as well as, the clean-up of Leaking Underground Storage Tanks (LUST program). Aboveground Tank Registration
 
2. Solid, Hazardous, and Medical Waste - Generation, transportation, treatment, recycling, and disposal of regulated wastes. Also, included are the closure of active and inactive landfills.
 
3. Contaminated Site Cleanup - These programs include the investigation and remediation of sites contaminated with hazardous materials
• Site Remediation Program - Investigation and remediation of sites contaminated with hazardous materials and petroleum, which includes the redevelopment and reuse of sites commonly known as Brownfields.
• Superfund and Department of Defense Program - Includes Brownfields, Superfund, Department of Defense Clean-ups, and evaluation of sites on EPA's CERCLIS list for consideration of action under the Superfund Program.