The licensing authority-
(a) may, by written notice, require the applicant, at the applicant’s cost, to obtain and provide it within a specified period with any other information in addition to the information contained in or submitted in connection with the application;
(b) may conduct its own investigation on the likely effect of the waste management activity on health and the environment;
(c) must invite written comments from any organ of state that has an interest in the matter; and
(d) must afford the applicant an opportunity to make representations on any adverse statements or objections to the application.