§ 178. Right to enter and inspect. The department is hereby authorized
to enter and inspect any property or premises for the purpose of
inspecting facilities and investigating either actual or suspected
sources of discharges or violation of this article or any rule or
regulation promulgated pursuant to this article. The department is
further authorized to enter on property or premises in order to assist
in the cleanup or removal of the discharge. Any information relating to
secret processes or methods of manufacture shall be kept confidential.