Wisconsin Administrative Code › Department of Natural Resources › NR 600-699 - Environmental Protection - Hazardous Waste Management › Chapter NR 662 - Hazardous Waste Generator Standards › Subchapter C - Pre-Transport Requirements Applicable to Small and Large Quantity Generators › Section NR 662.034 - Accumulation

Current through June 24, 2024
(1) NINETY-DAY ACCUMULATION TIME. Except as
				  provided in s.
				  NR 662.192(1),
				  (2) and (3), a generator may accumulate
				  hazardous waste on-site for 90 days or less without an operating license or
				  interim license, provided that all of the following requirements are met:
(a) The waste is placed as follows:
1. In containers and the generator complies
				  with the applicable requirements of subch. I of ch. NR 665 (containers), subch.
				  AA of ch. NR 665 (air emission standards for process vents), subch. BB of ch.
				  NR 665 (air emission standards for equipment leaks) and subch. CC of ch. NR 665
				  (air emission standards for tanks, surface impoundments and
				  containers).
2. In tanks and the
				  generator complies with the applicable requirements of subch. J of ch. NR 665
				  (tank systems), subch. AA of ch. NR 665 (air emission standards for process
				  vents), subch. BB of ch. NR 665 (air emission standards for equipment leaks)
				  and subch. CC of ch. NR 665 (air emission standards for tanks, surface
				  impoundments and containers) except ss.
				  NR
				  665.0197(3) and
				  665.0200.
3. On drip pads and the generator complies
				  with subch. W of ch. NR 665 (drip pads) and maintains all of the following
				  records at the facility:
a. A description of
				  procedures that will be followed to ensure that all wastes are removed from the
				  drip pad and associated collection system at least once every 90
				  days.
b. Documentation of each
				  waste removal, including the quantity of waste removed from the drip pad and
				  the sump or collection system and the date and time of removal.
4. In containment buildings and
				  the generator complies with subch. DD of ch. NR 665 (containment buildings) and
				  has placed the professional engineer certification that the building complies
				  with the design standards specified in s.
				  NR
				  665.1101 in the facility's operating record no later
				  than 60 days after the date of initial operation of the unit. After August 1,
				  2006, PE certification will be required prior to operation of the unit. The
				  owner or operator shall maintain any of the following records at the facility:
a. A written description of procedures to
				  ensure that each waste volume remains in the unit for no more than 90 days, a
				  written description of the waste generation and management practices for the
				  facility showing that they are consistent with respecting the 90 day limit and
				  documentation that the procedures are complied with.
b. Documentation that the unit is emptied at
				  least once every 90 days. In addition, the generator is exempt from all of the
				  requirements in subchs. G (closure and long-term care) and H (financial
				  requirements) of ch. NR 665, except for ss.
				  NR
				  665.0111 and
				  665.0114.