Sec. 1. The commissioner or a designated member of the staff of the department may initiate an investigation on receipt of information of an alleged violation of any of the following:
(1) Environmental management laws.
(2) Air pollution control laws.
(3) Water pollution control laws.
(4) IC 36-9-30-35.
(5) A rule or standard adopted under the following:
(A) Environmental management laws.
(B) Air pollution control laws.
(C) Water pollution control laws.