Undersea Warfare Center Division, Keyport violated the requirements of RCRA and the EPA approved and authorized Washington State dangerous waste management program. At the time of the inspection, the 90-day central accumulation area had a container of dangerous waste marked had an accumulation start date of February 26,2022, 102 days prior to the inspection. The container of dangerous waste therefore was accumulated in excess of 90 days. Respondent therefore did not meet the permit exemption condition and required a dangerous waste permit for storage of this dangerous waste. Respondent did not have a dangerous permit for storage of this dangerous waste, in violation of WAC 173-303-800. EPA has determined that an appropriate penalty to settle this action is $4,500.