I.S. CEN TR 15522-2:2006

Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Strategy for identification of oil spills
  4.1 General
  4.2 Procedure
  4.3 Decision chart of analytical and data treatment levels
5 Sample preparation
  5.1 General
  5.2 Visual examination of samples
  5.3 Preparation
  5.4 Recommended sample clean up methodology
  5.5 Recommended injection concentration
6 Characterization and evaluation of analytical data
  6.1 General
  6.2 Characterization by GC/FID - level 1
  6.3 Characterization by GC/MS - level 2
  6.4 Treatment of the results - level 3
  6.5 Conclusions
7 Reporting
8 Quality assurance
Annex A (informative) Analytical standards
      A.1 General
      A.2 Recommended standards and concentrations
      A.3 Analytical standards for PAH homologues
      A.4 Calibration- GC/MS
Annex B (informative) Suggested instrument conditions
      B.1 GC/FID conditions
      B.2 GC/MS conditions
      B.3 Sample analysis
      B.4 Calculations
      B.5 SIM-sections
Annex C (informative) List of PAHs and biomarkers analysed
        by GC/MS-SIM
Annex D (informative) Alkyl homologues patterns of PAHs
Annex E (informative) Boiling points of n-alkanes
Annex F (informative) General composition of oils - chemical groups
      F.1 Introduction
      F.2 Hydrocarbons
      F.3 Paraffins
      F.4 Naphthenes
      F.5 Aromatics
      F.6 Heteroatomic organic compounds
      F.7 Resins
      F.8 Asphaltenes
Annex G (informative) Weathering of oils spilled at sea
      G.1 Introduction
      G.2 Evaporation
      G.3 Dissolution
      G.4 Re-distribution of chemical composition
      G.5 Biodegradation
      G.6 Contamination/in-homogeneity
      G.7 Evaluation of weathering
      G.8 Optional - Semi-quantitative distribution of PAH
          homologues - weathering check
Annex H (informative) Characteristic Features of Different Oil
        Types in Oil Spill Identification
      H.1 Introduction
      H.2 Light fuel oil (gas oil, diesel, fuel No 2)
      H.3 Lubricating oil
      H.4 Heavy fuel oil (HFO, Bunker C, Fuel No 6)
      H.5 Waste oil (bilge oil, sludge, slops)
      H.6 Crude oil
      H.7 Conclusion
Annex I (informative) Example of the evaluation of an oil case
      I.1 Introduction
      I.2 GC/FID results
      I.3 GC/MS results
      I.4 Conclusion
Bibliography

Specifies a methodology to identify waterborne oils spilled in marine, estuarine and aquatic environments by comparing samples from spills with those of suspected sources.