Library / Page 1 of 67 MIDSTREAM AND DOWNSTREAM PETROLEUM SAFETY AND ENVIRONMENTAL REGULATIONS, 2025
Page 1 of 67 MIDSTREAM AND DOWNSTREAM PETROLEUM SAFETY AND ENVIRONMENTAL REGULATIONS, 2025

Page 34 of 67
Page 34 of 67 
 
(e) Environmental Evaluation Studies. (EES);  
(f) Post Impact Assessment (PIA) studies; or 
(g)Special Studies. 
(2) A person shall not establish a retail outlet with a combined storage capacity below 
270,000 litres for refined liquid products and less than or equal to 25MT for gas without a 
MESA approval issued by the Authority. 
(3) Where the outcome of the MESA shows the need for further assessment, then the 
following assessments shall apply -  
      (i)Preliminary Environmental Risk Assessment (PERA) prior to issuance of LTC; and/or 
          (ii) EMP for projects which require Environmental Impact Assessment (EIA) studies or 
projects referred to environmental impact assessment as a result of mediation or a review panel 
under the applicable laws.  
(4) A person undertaking a midstream or downstream project including retail outlets with a 
combined storage capacity equal to greater than 270,000 litres for refined liquid products, and 
greater than 25MT for gas shall conduct - 
           (a) Project Concept Screening (PCS); 
           (b) Preliminary Environmental Risk Assessment (PERA); and/or 
           (c) EMP for projects which require Environmental Impact Assessment (EIA) studies or 
projects referred to environmental impact assessment as a result of mediation or a review 
panel under the applicable laws. 
 
PART VIII — ENVIRONMENTAL MANAGEMENT PLAN 
 
58. (1) A licensee or permit holder shall submit to the Authority for approval an EMP for these activities 
— 
(a) onshore and offshore petroleum liquids and gas transportation pipelines and 
systems in cumulative excess of 20 KM length or as determined by the Authority; 
(b) petroleum liquids and gas separation, processing, liquefaction, compression, 
handling and storage facilities, such as Gas to Liquid (GTL), Floating Storage 
and Offloading (FSO) vessels; 
(c) refineries, petrochemicals plants, lube blending plants, gas-based fertiliser plants, 
gas and petroleum liquids bulk storage facilities; 
(d) product depots for the storage and sale of petroleum liquids, gas, and base oils. 
Environmental 
Management Plan (EMP)