128 Neb. Admin. Code, ch. 9, § 008
A small quantity generator who accumulates hazardous waste in quantities exceeding 6,000 kilograms or accumulates hazardous waste for more than 180 days (or for more than 270 days if the generator must transport the waste, or offer the waste for transportation, over a distance of 200 miles or more) is an operator of a storage facility and is subject to the requirements of Chapters 12 through 15 and Chapters 21 or 22 unless the generator has been granted an extension to the 180-day (or 270 day, if applicable) period. Such extension may be granted by the Director if hazardous wastes must remain on-site for longer than 180-days (or 270 days if applicable) due to unforeseen, temporary, and uncontrollable circumstances. An extension of up to 30 days may be granted at the discretion of the Director on a case-by-case basis.
128 Neb. Admin. Code, ch. 9, § 008