6 These Regulations come into force on the day on which they are registered.
1 (1) The following definitions apply in these Regulations.
(2) For the purposes of these Regulations, a deposit is acutely lethal if, at 100% concentration, it kills more than 50% of the rainbow trout subjected to it over a 96- hour period when tested to determine lethality in accordance with Reference Method EPS 1/RM/13 and – if applicable – in conjunction with the Procedure for pH Stabilization EPS 1/RM/50.