NR 665.1100(2)(2)The unit has a primary barrier that is designed to be sufficiently durable to withstand the movement of personnel and handling equipment within the unit.
NR 665.1100(3)(3)If the unit is used to manage liquids, it has all of the following:
NR 665.1100(3)(a)(a) A primary barrier designed and constructed of materials to prevent migration of hazardous constituents into the barrier.
NR 665.1100(3)(b)(b) A liquid collection system designed and constructed of materials to minimize the accumulation of liquid on the primary barrier.
NR 665.1100(3)(c)(c) A secondary containment system designed and constructed of materials to prevent migration of hazardous constituents into the barrier, with a leak detection and liquid collection system capable of detecting, collecting and removing leaks of hazardous constituents at the earliest possible time.
NR 665.1100(4)(4)The unit has controls as needed to prevent fugitive dust emissions.
NR 665.1100(5)(5)The unit is designed and operated to ensure containment and prevent the tracking of materials from the unit by personnel or equipment.
NR 665.1100 HistoryHistory: CR 05-032: cr. Register July 2006 No. 607, eff. 8-1-06.
NR 665.1101NR 665.1101Design and operating standards.
NR 665.1101(1)(1)All containment buildings shall comply with all of the following design standards:
NR 665.1101(1)(a)(a) The containment building shall be completely enclosed with a floor, walls and a roof to prevent exposure to the elements, (e.g., precipitation, wind, run-on), and to assure containment of managed wastes.
NR 665.1101(1)(b)(b) The floor and containment walls of the unit, including the secondary containment system if required under sub. (2), shall be designed and constructed of materials of sufficient strength and thickness to support themselves, the waste contents and any personnel and heavy equipment that operate within the unit, and to prevent failure due to pressure gradients, settlement, compression, uplift, physical contact with the hazardous wastes to which they are exposed, climatic conditions and the stresses of daily operation, including the movement of heavy equipment within the unit and contact of the equipment with containment walls. The unit shall be designed so that it has sufficient structural strength to prevent collapse or other failure. All surfaces to be in contact with hazardous wastes shall be chemically compatible with those wastes. The department will consider standards established by professional organizations generally recognized by the industry such as the American Concrete Institute (ACI) and the American Society of Testing Materials (ASTM) in judging the structural integrity requirements of this paragraph. If appropriate to the nature of the waste management operation to take place in the unit, an exception to the structural strength requirement may be made for lightweight doors and windows that meet both of the following criteria:
NR 665.1101(1)(b)1.1. They provide an effective barrier against fugitive dust emissions under sub. (3) (a) 4.
NR 665.1101(1)(b)2.2. The unit is designed and operated in a fashion that assures that wastes will not actually come in contact with these openings.
NR 665.1101(1)(c)(c) Incompatible hazardous wastes or treatment reagents may not be placed in the unit or its secondary containment system if they could cause the unit or secondary containment system to leak, corrode or otherwise fail.
NR 665.1101(1)(d)(d) A containment building shall have a primary barrier designed to withstand the movement of personnel, waste and handling equipment in the unit during the operating life of the unit and appropriate for the physical and chemical characteristics of the waste to be managed.
NR 665.1101(2)(2)For a containment building used to manage hazardous wastes containing free liquids or treated with free liquids (the presence of which is determined by the paint filter test, a visual examination or other appropriate means), the owner or operator shall include all of the following:
NR 665.1101(2)(a)(a) A primary barrier designed and constructed of materials to prevent the migration of hazardous constituents into the barrier (e.g., a geomembrane covered by a concrete wear surface).
NR 665.1101(2)(b)(b) A liquid collection and removal system to prevent the accumulation of liquid on the primary barrier of the containment building in compliance with both of the following:
NR 665.1101(2)(b)1.1. The primary barrier shall be sloped to drain liquids to the associated collection system.
NR 665.1101(2)(b)2.2. Liquids and waste shall be collected and removed to minimize hydraulic head on the containment system at the earliest practicable time that protects human health and the environment.
NR 665.1101(2)(c)(c) A secondary containment system including a secondary barrier designed and constructed to prevent migration of hazardous constituents into the barrier, and a leak detection system that is capable of detecting failure of the primary barrier and collecting accumulated hazardous wastes and liquids at the earliest practicable time.
NR 665.1101(2)(c)1.1. The requirements of the leak detection component of the secondary containment system are satisfied by installation of a system that is, at a minimum, all of the following:
NR 665.1101(2)(c)1.a.a. Constructed with a bottom slope of one percent or more.
NR 665.1101(2)(c)1.b.b. Constructed of a granular drainage material with a hydraulic conductivity of 1 ´ 10-2 cm/sec or more and a thickness of 12 inches (30.5 cm) or more, or constructed of synthetic or geonet drainage materials with a transmissivity of 3 ´ 10-5 m2/sec or more.
NR 665.1101(2)(c)2.2. If treatment is to be conducted in the building, an area in which the treatment will be conducted shall be designed to prevent the release of liquids, wet materials or liquid aerosols to other portions of the building.
NR 665.1101(2)(c)3.3. The secondary containment system shall be constructed of materials that are chemically resistant to the waste and liquids managed in the containment building and of sufficient strength and thickness to prevent collapse under the pressure exerted by overlaying materials and by any equipment used in the containment building. (Containment buildings can serve as secondary containment systems for tanks placed within the building under certain conditions. A containment building can serve as an external liner system for a tank, provided it meets the requirements of s. NR 665.0193 (4) (a). In addition, the containment building shall meet the requirements of s. NR 665.0193 (2) and (3) to be considered an acceptable secondary containment system for a tank.)
NR 665.1101(3)(3)Owners or operators of all containment buildings shall do all of the following:
NR 665.1101(3)(a)(a) Use controls and practices to ensure containment of the hazardous waste within the unit; and, at a minimum, do all of the following: