The MPA’s Marine Environment & Safety Department provides Gas Free testing service conducted by Port Chemists for vessels entering shipyards according to Regulation 11 of the Maritime and Port Authority of Singapore (Dangerous Goods, Petroleum and Explosives) Regulations, 2005.

As from 1 March 2011, the owner, agent, master or person-in-charge of a vessel that requires a Port Chemist to perform Gas Free testing service may make an online booking via MPA's digitalPORT@SG^TM . This online service replaces the previous booking system by telephone/facsimile. For enquires, the officer-in-charge can be contacted during office hours.

Office hours: Monday to Friday 0800 – 1730 hours

Tel: 6325 2421

Footnote

Regulation 11 of the MPA of Singapore (Dangerous Goods, Petroleum and Explosives) Regulations, 2005:

• No person shall cause or permit a vessel that is carrying Class ‘A’ or Class 'B’ petroleum as the whole or part of the vessel’s cargo or that carried such petroleum as the whole or part of the vessel’s last cargo to proceed to any place within the port unless the following parts of the vessel have been certified free from flammable vapour by an Inspector of Petroleum: 

• all cargo compartments and systems connected with the carriage of Class ‘A’ petroleum or Class ‘B’ petroleum; and 
• such other parts of the vessel as an Inspector thinks necessary; or 
• any local shipyards or repair facility, unless an Inspector has inspected the fuel oil tanks of the vessel and is satisfied that the petroleum vapour in the tanks is 50% of the lower explosive limit or below 50% of the lower explosive limit.

Paragraph (1) (a) shall not apply to a vessel proceeding to a petroleum anchorage anchorage, a special anchorage or an oil terminal.

• Class “A” petroleum means any petroleum the flash-point of which is less than 23 degrees Celsius and includes liquefied petroleum gas.  
• Class “B” petroleum means any petroleum the flash-point of which is 23 degrees Celsius or more but less than 60 degrees Celsius.