IRR of RA 9165 – Otherwise Known as the Comprehensive Dangerous Drug Act of 2002
Dao 2005-027 - Revised Pcl
DAO 94-26A - Philippine Standard for Drinking Water
DAO 1998-58 - PCL
DAO 2004-36 – Procedural Manual Title III of DAO 92-29 Hazardous Waste Management
DAO 2004-08 – Revised Chemical Control Order for Ozone Depleting Substances (ODS)
DAO 2000-12 – Schedule of Fees for RA 6969 (Chemical Substances and Hazardous Wastes)
MC 2007-30 - Interim Guidelines for Bunker Fuel Oil Users
MC 2008-05 – Simplifying the Requirements for LLDA Clearance Applications
BR 2007-322- EUF (Wastewater Charge System)
DAO 2000-81 - IRR of Clean Air Act
DAO 2004-26 - Amendments to RA8749
DAO 2007-23 - PCL Compliance Certificate Requirements
DAO 2004-36 Strengthening of RA 6969
DAO 90-34 - Revised Water Usage and Classification Water Quality Criteria Amending Section Nos 68 and 69, Chapter III of the 1978 NPCC Rules and Regulations
MC 2010-14 – Standardization of Requirements and Enhancement of Public Participation in the Streamlined Implementation of the Philippine EIS System
DAO 2007-27 – Revised Emission Standards for Motor Vehicles Equipped with Compression-Ignition and Spark-Ignition Engines
Dangerous Drug Board Regulation No. 2009-02 – Implementing Guidelines for the Implementation of Board Regulation no. 2007-06
DAO 2004-53 - Guidelines to Implement the Tax Incentives Provision Under Section 13 of RA 8749
DAO 1994-28 – Amending Annex A of DAO 28 Series of 1994 Interim Guidelines for the Importation of Recyclable Materials Containing Hazardous Substances