In downstream oil and gas, LPG: examination of a product, process, service, or installation of their design and determination of its conformity with specific requirements, or, on the basis of professional judgment, with general requirements (footnote 14: ISO/IEC 17020). This includes inventory and sampling [Section 3.27, 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]
