This research was conducted with the aim of finding out how the role of civil servant
investigators in overcoming environmental pollution as a result of B3 waste (hazardous
and toxic materials) in Batam City. In writing this law the writer conducted research
through empirical research. Empirical research is research that focuses on the behavior of
the legal community (law in action). This research focuses on the role of PPNS in tackling
environmental pollution due to hazardous waste that occurs in Batam City. In the
government's efforts to protect the environment from damage caused by waste and in the
context of environmental management, Law Number 32 of 2009 concerning Environmental
Protection and Management has been enacted. This law also gives PPNSLH the authority
to carry out investigations into environmental law cases in coordination with the State
Police of the Republic of Indonesia. Law Number 32 Year 2009 regulates criminal
sanctions for cases of environmental pollution resulting from the entry of Hazardous and
Toxic Waste into environmental media, because the waste is very dangerous to the survival
contained in it. Even though it has been strictly regulated in the UUPPLH, there are still
many companies that dispose of Hazardous waste to environmental media without any
prior management process.