In downstream oil and gas, LPG: include assessment activities such as testing, measuring, inspection, design appraisal, assessment of services, and auditing to provide information regarding the product requirements as input to the review and attestation functions [Section 3.20, 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]
