EN ISO 3170:2004

Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Principles
5 Apparatus
   5.1 General
   5.2 Tank samplers
   5.3 Drum and can samplers
   5.4 Pipeline samplers
   5.5 Sample receivers, vessels and containers
   5.6 Container closures
   5.7 Sample coolers
6 Safety precautions
7 Procedures for homogeneous petroleum liquids
   7.1 Introduction
   7.2 Precautions
   7.3 Tank sampling
   7.4 Pipeline sampling
   7.5 Dispenser (nozzle) sampling
8 Procedures for crude oils and other non-homogeneous
   petroleum liquids
   8.1 General
   8.2 Procedures
9 Sample handling
   9.1 General
   9.2 Homogenization of samples
   9.3 Verification of mixing efficiency
   9.4 Transfer of samples
10 Sampling of tank residues/deposits
11 Package sampling
   11.1 Statistical aspects of sampling packages
   11.2 Procedures for sampling packages
Annex A (informative) Guidance on safety precautions
Bibliography

ISO 3170:2004 specifies the manual methods to be used for obtaining samples of liquid or semi-liquid hydrocarbons, tank residues and deposits from fixed tanks, railcars, road vehicles, ships and barges, drums and cans, or from liquids being pumped in pipelines.ISO 3170:2004 applies to the sampling of petroleum products, crude oils and intermediate products, which are stored in tanks at or near atmospheric pressure, or transferred by pipelines, and are handled as liquids at temperatures from near ambient up to 200 degrees Celsius.The sampling procedures specified are not intended for the sampling of special petroleum products which are the subject of other International Standards, such as electrical insulating oils (IEC 60475), liquefied petroleum gases (ISO 4257), liquefied natural gases (ISO 8943) and gaseous natural gases (ISO 10715).