UNE-EN ISO 3170:2026

This document specifies the manual methods used for obtaining samples of liquid or semi- liquidhydrocarbons, tank residues and deposits from fixed tanks, railcars, road vehicles, ships and barges, drumsand cans, or from liquids being pumped in pipelines.It applies to the sampling of liquid products, including crude oils, intermediate products, synthetichydrocarbons and bio fuels, which are stored at or near atmospheric pressure, or transferred by pipelines asliquids at elevated pressures and temperatures.The sampling procedures specified are not intended for the sampling of special petroleum products whichare the subject of other International Standards, such as electrical insulating oils (covered in IEC 60475),liquefied petroleum gases (covered in ISO 4257), liquefied natural gases (covered in ISO 8943) and gaseousnatural gases (covered in ISO 10715).This document refers to methods of sampling and sampling equipment in use at the time of writing. Itdoes not exclude the use of new equipment, provided that such equipment enables samples to be obtainedaccording to the requirements and procedures of this document.