Fullformexpand.com, 2026. "USDEP." Accessed June 29, 2026. https://www.fullformexpand.com/usdep/united-states-department-of-environmental-protection.
"USDEP." (n.d.). Fullformexpand.com. Retrieved June 29, 2026, from https://www.fullformexpand.com/usdep/united-states-department-of-environmental-protection.
USDEP. (2026). Fullformexpand.com. Available at: https://www.fullformexpand.com/usdep/united-states-department-of-environmental-protection (Accessed: 29 June 2026).