all ruminant bone material derived from animals born, reared or slaughtered in countries
or regions classified as having a low incidence of BSE in accordance with Community
legislation is subjected to a process which ensures that all bone material is finely
crushed and degreased with hot water and treated with dilute hydrochloric acid (at
minimum concentration of 4% and pH < 1.5) over a period of at least two days,
followed by an alkaline treatment of saturated lime solution (pH > 12.5) for a period of
at least 20 days with a sterilisation step of 138-140 °C during four seconds or by any
approved equivalent process; and