Kansas Administrative Regulations
Agency 4 - DEPARTMENT OF AGRICULTURE
Article 4 - COMMERCIAL FERTILIZERS
Section 4-4-933 - Secondary containment requirements; lining
Current through Register Vol. 43, No. 52, December 26, 2024
(a) General requirement. The base of a secondary containment facility, and any earthen walls of the facility shall be lined with asphalt, concrete, an approved synthetic liner, a clay soil liner or other product approved by the secretary, designed to limit permeability of the base and walls. Liners shall meet the requirements of this regulation.
(b) Asphalt or concrete liners. Asphalt or concrete liners shall be designed, according to good engineering practices, to withstand any foreseeable loading conditions, including a full hydrostatic head of discharged fluid and static loads of storage containers, including appurtenances, equipment, and contents. Cracks and seams shall be sealed to prevent leakage.
(c) Synthetic liners.
(d) Clay soil liners. The surface soil, including the berm of an earthen dike and 10 feet beyond the berm, shall be sealed with a sealing agent such as sodium bentonite, attapulgite clay or a similar clay material approved by the secretary. The liner shall be constructed in accordance with reliable civil engineering recommendations to establish a barrier layer which will maintain a water level up to the working height of the containment structure for 72 hours, or a clay application which results in a downward water movement of not greater than one-half of an inch per 24 hour period. The floor of the containment area shall be protected with a layer of gravel, sand, earth or crushed stone at least six inches thick placed on top of the clay liner.
(e) Exemptions.