In downstream oil & gas, LPG: the mixing of LPG with any finished or unfinished petroleum product or stock or with any non-petroleum substance or material that will result in product quality change or in the failure of LPG to meet the required product specifications under the Philippine National Standard (PNS) [Section 4(b), LPG Industry Regulation Act of 2021; Section 3.1(c) of DOE-DTI Joint Department Circular No. JDC2022-05-001, Rules and Regulations Implementing Republic Act No. 11592; Section 3.1(c), 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]
