API RP 87 : 2007(R2017)

Introduction
1 Scope
2 References
  2.1 Normative
  2.2 Informative
3 Terms and Definitions
4 Symbols and Abbreviated Terms
  4.1 Symbols and Nomenclature
  4.2 Abbreviated Terms
5 Sampling and Stream Mixing
  5.1 Automatic Sampler and Stream Mixing Recommendations
  5.2 Sample Acquisition
6 Sample Handling and Mixing
  6.1 Sample Handling
  6.2 Laboratory Sample Mixing Procedure
7 Test Apparatus Measurement Integrity
  7.1 Glassware Verification Requirements
  7.2 Test Equipment Verification Procedure
8 Analytical Methods
  8.1 Overview of Methods Considered
  8.2 Centrifuge Method
  8.3 Graduated Cylinder Method
  8.4 Reduced Volume Distillation Method (Laboratory Referee
      Method)
Annex A - Laboratory Testing Results
Annex B - Prior NEL Testing

Gives the user with recommended 'field' methods of sampling, sample handling and analysis for high water content streams up to 50% water on a volumetric basis