Sampling Codes & Standards

ASTM Standardization for Sampling Systems

  • ASTM D 1066 Standard practice for Sampling Steam.
  • ASTM D 1192 / D3370 Standard Guide for Equipment and Practices for Sampling Water and Steam.
  • ASTM D 1265-05 Standard Practice for Sampling Liquefied Petroleum (LP) Gases, Manual Method Sampling System (closed loop sampler). 
    This practice covers the procedures for obtaining representative samples of liquefied petroleum gases such as propane, butane, or mixture thereof, in containers other than those used in laboratory testing apparatus
  • ASTM D 1267-02 (2007) Standard test method for vapour pressure liquefied petroleum gases.
  • ASTM D 1835-05 Standard specification for liquefied petroleum (LP) gases.
  • ASTM D 1837-02a (2007) Standard test method for volatility of liquefied petroleum gases.
  • ASTM D 1838-07 Standard test method for copper strip corrosion by liquefied petroleum gases.
  • ASTM D 2158-05 Standard test method for residues in liquefied petroleum gases.
  • ASTM D 2597-94 (2004) Standard test method for analysis of demethanized hydrocarbon liquidmixtures containing nitrogen and carbon dioxide by gas chromatography.
  • ASTM D 2598-02 (2007) Standard practice method for calculation or certain physical properties of liquefied petroleum gases from compositional analysis.
  • ASTM D 2713-91 (2001) Standard test method for dryness of propane (Valve freeze method).
  • ASTM D 3120-06 e1 Standard test method for trace quantities of sulphur in light liquid petroleum hydrocarbons by oxidative microcoulometry.
  • ASTM D 3700-07 Standard practice for obtaining LPG samples using a floating piston cylinder.
  • ASTM D 4057 Manual Sampling of Petroleum and Petroleum Products.
  • ASTM D 5305-97 Standard test method for determination of ethyl mercaptan in LP-gas vapour.
  • ASTM D 5453-06 Standard test method for determination of total sulphur in light hydrocarbons, spark ignition engine fuel, diesel engine fuel and engine oil by ultraviolet fluorescence.
  • ASTM F 307 Standard practice for Sampling Pressurized Gas for Gas Analysis.
  • ASME PTC19.11 The specification requires a "isokinetic sample nozzle" for representative sampling of the specific two-phase saturated steam flow via sample ports drilled in the side of the nozzle facing the steam flow.
  • ASME PTC 19.11-2008 Steam and Water Sampling, Conditioning, and Analysis in the Power Cycle.
  • SO 5667.7 Water Quality-Sampling – Part 7: Guidance on sampling of water and steam in boiler plants.

International Organization for Standardization of Sampling Systems

  • ISO 3170:2004 Petroleum liquids — Manual Sampling.
  • ISO 3993-1984 Liquefied petroleum gas and light hydrocarbons - Determination of density or relativedensity - Pressure hydrometer method.
  • ISO 4256-1996 Liquefied petroleum gases - Determination of vapour pressure - LPG method.
  • ISO 4257-2001 Liquefied petroleum gases - Method of sampling.
  • ISO 4267-2: 1988 Petroleum and liquefied petroleum products - Calculation of oil quantities - Part 2: Dynamic measurement.
  • ISO 6251-1996 Liquefied petroleum gases - Corrosiveness to copper - Copper strip test.
  • ISO 7941-1988 Commercial propane and butane - Analysis by gas chromatography.
  • ISO 8819-1993 Liquefied petroleum gases - Detection of hydrogen sulphide - Lead acetate method.
  • ISO 8943-1991 LNG continuous sampling method (Standard for LNG Probes & Vaporizers)
  • ISO 8943-2004 Draft of sampling with piston cylinder
  • ISO 9162-1989 Petroleum products - Fuels (class F) - Liquefied petroleum gases – Specifications.
  • ISO-10715 describes a representative sample as “A sample having the same composition as the material sampled, when the latter is considered as a homogenous whole.”
  • The two most widely known and popular standards being ISO-10715 and GPA-2166-05. 
  • GPA-2166-05 Obtaining Natural Gas Samples for Analysis by Gas Chromatography.
  • The American Petroleum Institute (API) Manual of Petroleum Measurement Standards (MPMS), Chapter 14.1,Natural Gas Fluids Measurement: Section 1-Collecting and Handling of Natural Gas Samples for Custody Transfer.
  • EN 12838 Installations and equipment for liquefied natural gas. Suitability testing of LNG sampling systems
  • GB/T 4756 Method for Manual Sampling Petroleum Liquid

    This statement is also quoted in the American Society for Testing and Materials (ASTM) International standard ASTM 5287-97. 

Customers Standardization

  • ExxonMobil GP 03-02-07 Manual Sampling Systems
  • Total GS RM ANA 627 Sampling System for Laboratory Analysis
  • Shell DEP, Laboratory Sampling


DOPAK Process Sampler Type S32-LG outage tube with bypass purge

DOPAK Process Sampler Type DPM on/off configuration

DOPAK Process Sampler Type S23 high vapour phase configuration