4. The Department may, in relation to any adjuvant included in the list, remove that adjuvant from the list—
(a)if it appears to the Department that the applicant has failed to comply with any data requirement which has been determined in relation to that adjuvant under paragraph 2(a) or amended under paragraph 2(c);
(b)if it appears to the Department that any literature relating to the adjuvant is not in accordance with any requirement to which the use of that adjuvant is subject, as determined under paragraph 2(b) or amended under paragraph 2(c);
(c)if it appears to the Department that—
(i)any literature relating to the adjuvant refers to a plant protection product; and
(ii)the use of that adjuvant with that plant protection product is not in accordance with the conditions of the authorisation given in relation to that plant protection product;
(d)for reasons of human safety or environmental protection; or
(e)at the request of the applicant.