Paragraph 20
England, Wales and Scotland
(1)
Unless otherwise directed by the Secretary of State by notice served on the occupier, slurry and the liquid phase of manure shall be stored for at least the period in sub-paragraph (2) after the last addition of infective material.
(2)
The period for the purposes of sub-paragraph (1) is 42 days or such other period as the Secretary of State directs by notice served on the occupier having taken into account—
(a)
the extent of the contamination;
(b)
the weather conditions; and
(c)
the pH of the substance after disinfection and its likely effect on the disease virus.