CONSULTANCY SERVICES Environmental Compliance Certificate (ECC) and Certificate of Non-Coverage (CNC) As per Presidential Decree (PD) 1586, a business should have a document issued by EMB-DENR After a positive review of the application, certifying that the business of the applied for will not cause negative impact to the environment. Processing of Pollution Control Officer (PCO) Accreditation As per DENR Administration Order (DAO) 2014-02, all establishments should have a DENR accredited PCO. Hazardous Waste Generator