Section 1700.15 - Catapult water brake tank & post-launch retraction exhaust(a) Discharges of catapult water brake tank effluent are prohibited.(b) The number of post-launch retractions must be limited to the minimum number required to test and validate the system and conduct qualification and operational training. 85 FR 43475 , July 17, 2020 82 FR 3183 , 2/10/2017; 85 FR 43475 , 8/17/2020