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(a) You may not locate portions of new facilities where hazardous waste will be treated or stored within 61 meters (200 feet) of a fault that has had displacement in Holocene time.
(a)(1) "Fault" means a fracture along which rocks on one side have been displaced with respect to those on the other side.
(a)(2) "Displacement" means the relative movement of any two sides of a fault measured in any direction.
(a)(3) "Holocene" means the most recent epoch of the Quaternary period, extending from the end of the Pleistocene to the present.
Note to paragraph (a)(3): Procedures for demonstrating compliance with this standard are specified in 40 CFR 270.14(b)(11) . Facilities which are located in political jurisdictions other than those listed in appendix VI of 40 CFR part 264 , are assumed to be in compliance with this requirement.
(b) If your facility is located in a 100-year flood plain, it must be designed, constructed, operated, and maintained to prevent washout of any hazardous waste by a 100-year flood.
(b)(1) "100-year flood plain" means any land area that is subject to a one percent or greater chance of flooding in any given year from any source.
(b)(2) "Washout" means the movement of hazardous waste from the active portion of the facility as a result of flooding.
(b)(3) "100-year flood" means a flood that has a one percent chance of being equaled or exceeded in any given year.
[70 FR 53420 Sept. 8, 2005]