In petroleum, downstream industry: commercial propane gas or commercial butane gas or a mixture of the two gases, with properties conforming to the specifications set by the BPS [Section 3(y), Downstream Oil Industry Deregulation Act of 1998 IRR]
In downstream oil and gas, LPG: a gas liquefied by compression consisting of hydrocarbon predominantly propane (C3H8), butane (C4H10) or their mixture (footnote 16: PNS 03-1:2020) [Section 3.36, Rule 3, DTI Department Administrative Order No. 22-11, Series of 2022, The New Technical Regulation Concerning the Mandatory Certification of Liquefied Petroleum Gas (LPG) Pressure Vessels, Systems, Services and Ancillary Products]
In downstream oil and gas, LPG: liquefied petroleum gas which consists of commercial propane gas or commercial butane gas, or a mixture of both gases, with properties conforming to the standards set forth in the PNS [Section 4(u), LPG Industry Regulation Act of 2021; Section 3.1(v) of DOE-DTI Joint Department Circular No. JDC2022-05-001, Rules and Regulations Implementing Republic Act No. 11592]
In downstream oil & gas, LPG: liquefied petroleum gas which consists of commercial propane gas or commercial butane gas, or a mixture of both gases, with properties conforming to the standards set forth in the PNS [Section 3.1(z), DOE Department Circular No. DC2022-11-0037, Guidelines on the Registration and Issuance of License to Operate to Qualified DOE-Regulated LPG Industry Participants and Penalizing Certain Prohibited Acts]
Note: Under the LPG Regulation Act of 2021 and its IRR and DOE Department Circular No. DC2022-11-0037, the term is referred to as “LPG”.