This Practice provides minimum requirements for performing pressure tests using a liquid medium on non-reinforced High Density Polyethylene (HDPE) plastic pipe intended for all service types (e.g., hydrocarbon, produced water). This Practice describes the procedures, practices, and precautions to be used in pressure testing plastic pipelines in accordance with DOT CFR 49 Part 192 Subpart J and DOT CFR 49 Part 195 Subpart E.