Tanggung Jawab Hukum Perusahaan dalam Pengelolaan Limbah B3 (Studi Kasus: Pengelolaan Limbah PT Mecosin Indonesia)

This study examines corporate legal responsibility in the management of hazardous and toxic waste (B3) through a case study of PT Mecosin Indonesia. The research focuses on the nature of corporate legal responsibility in B3 waste management under national and international environmental law, as well as the extent to which the company’s practices comply with these two legal regimes. This study employs a normative-empirical legal methodology through legislative, conceptual, and case-based approaches, supported by literature review, field observations, and interviews. The results indicate that PT Mecosin Indonesia has generally implemented B3 waste management through the stages of identification, temporary storage, transportation, and collaboration with licensed third parties. However, there remains a need for improvement in administrative compliance, particularly regarding the completeness of environmental documentation and periodic reporting. From a comparative law perspective, national regulations contain relatively detailed technical obligations, whereas international law-through the principles of the Basel Convention-emphasizes environmentally sound waste management and the responsibilities of both states and businesses. Thus, hazardous waste management practices at PT Mecosin Indonesia are, in principle, consistent with the national legal framework and international legal values, although further strengthening of compliance is still needed to ensure more optimal environmental protection.