In downstream oil and gas, LPG: any pressure vessel which does not conform with the applicable PNS and does not bear a safety and quality mark from DTI [Section 4(bbb), LPG Industry Regulation Act of 2021; Section 3.1(ccc), DOE-DTI Joint Department Circular No. JDC2022-05-001, Rules and Regulations Implementing Republic Act No. 11592; Section 3.1(jjj), 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 DOE Department Circular No. DC2022-11-0037, the term is written as “Substandard Pressure Vessel”.