ASTM D3415-98(2024)
(Practice)Standard Practice for Identification of Waterborne Oils
Standard Practice for Identification of Waterborne Oils
SIGNIFICANCE AND USE
4.1 Oil from one crude oil field is readily distinguishable from another, and differences in the makeup of oils from the same crude oil field can often be observed as well. Refined oils are fractions from crude oil stocks, usually derived from distillation processes. Two refined oils of the same type differ because of dissimilarities in the characteristics of their crude oil feed stocks as well as variations in refinery processes and any subsequent contact with other oils mixed in during transfer operations from residues in tanks, ships, pipes, hoses, and so forth. Thus, all petroleum oils, to some extent, have chemical compositions different from each other.
4.2 Identification of a recovered oil is determined by comparison with known oils selected because of their possible relationship to the particular recovered oil, for example, suspected sources. Thus, samples of such known oils must be collected and submitted along with the unknown for analysis. Identification of the source of an unknown oil by itself cannot be made without comparison to a known oil. The principles of oil spill identification are discussed in Ref (1).4
4.3 Many similarities (within uncertainties of sampling, analysis and weathering) will be needed to establish the identity beyond a reasonable doubt. The analyses described will distinguish many, but not all samples. Examples of weathering of various classes of oils are included in Ref (2).
4.4 This practice is a guide to the use of ASTM test methods for the analysis of oil samples for oil spill identification purposes. The evaluation of results from analytical methods and preparation of an Oil Spill Identification Report are discussed in this practice. Other analytical methods are described in Ref (3).
4.5 A quality assurance program for oil spill identification is specified.
SCOPE
1.1 This practice covers the broad concepts of sampling and analyzing waterborne oils for identification and comparison with suspected source oils. Detailed procedures are referenced in this practice. A general approach is given to aid the investigator in planning a program to solve the problem of chemical characterization and to determine the source of a waterborne oil sample.
1.2 This practice is applicable to all waterborne oils taken from water bodies, either natural or man-made, such as open oceans, estuaries or bays, lakes, rivers, smaller streams, canals; or from beaches, marshes, or banks lining or edging these water systems. Generally, the waterborne oils float on the surface of the waters or collect on the land surfaces adjoining the waters, but occasionally these oils, or portions, are emulsified or dissolved in the waters, or are incorporated into the sediments underlying the waters, or into the organisms living in the water or sediments.
1.3 This practice as presently written proposes the use of specific analytical techniques described in the referenced ASTM standards. As additional techniques for characterizing waterborne oils are developed and written up as test methods, this practice will be revised.
1.4 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use.
1.5 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
General Information
- Status
- Published
- Publication Date
- 31-Mar-2024
- Technical Committee
- D19 - Water
- Drafting Committee
- D19.06 - Methods for Analysis for Organic Substances in Water
Relations
- Effective Date
- 01-Apr-2024
- Effective Date
- 01-Apr-2024
- Effective Date
- 15-Dec-2017
- Effective Date
- 15-Dec-2017
- Effective Date
- 01-Apr-2024
- Effective Date
- 01-Apr-2024
- Effective Date
- 01-Apr-2024
- Effective Date
- 01-Apr-2024
- Effective Date
- 01-Apr-2024
Overview
ASTM D3415-98(2024) - Standard Practice for Identification of Waterborne Oils, published by ASTM International, provides a systematic approach for identifying and characterizing waterborne oils. This standard is essential for professionals involved in oil spill response, environmental monitoring, and forensic investigations of water pollution. It enables comparison of oil samples collected from water bodies or adjacent land surfaces to potential source oils, supporting legal and environmental accountability.
The practice addresses the complexities of oil origin, refined oil differences, and the fundamental need for comparative analysis using established analytical techniques. The standard covers procedures for sample collection, preservation, preparation, quality assurance, analysis, and interpretation of results, ensuring reliable and scientifically defensible findings.
Key Topics
- Sample Collection and Preparation: Guidance on collecting representative oil samples from natural and artificial water bodies, including oceans, rivers, lakes, marshes, beaches, and adjacent land. The standard highlights the importance of preserving and preparing samples to prevent contamination, ensuring the integrity of results.
- Comparative Analysis: Oil identification is based on direct comparison of unknown waterborne oil samples with suspected source oils using various analytical methods. The practice emphasizes the necessity of submitting known oil samples for effective comparison.
- Analytical Techniques: The standard recommends using ASTM test methods such as gas chromatography, infrared spectroscopy, and fluorescence analysis, with biomarker analysis via GC/MS for complex cases. Analysts interpret chemical “fingerprints” to determine source similarities or differences.
- Impact of Weathering: Recognizes that oils undergo weathering (evaporation, dissolution, biodegradation) after release into the environment, complicating analysis and requiring expert interpretation.
- Quality Assurance: Specifies the need for robust quality assurance protocols to ensure reliable analytical results, including chain of custody and control samples.
- Reporting: Outlines requirements for comprehensive Oil Spill Identification Reports following scientific and technical expert guidelines to ensure clarity and defensibility.
Applications
- Oil Spill Response: Enables rapid identification and source attribution for waterborne oil spills in marine, freshwater, and coastal environments, supporting effective cleanup and mitigation efforts.
- Environmental Forensics: Provides standard practices for linking spilled oils to potential sources, aiding regulatory agencies, insurers, and legal proceedings in pollution cases.
- Regulatory Compliance: Assists industries, government agencies, and laboratories in meeting environmental regulations concerning oil spills by providing a recognized protocol for oil analysis and reporting.
- Research and Development: Serves as a foundational reference for developing improved analytical methods and enhanced oil spill identification technologies.
Related Standards
- ASTM D1129 - Terminology Relating to Water
- ASTM D3325 - Practice for Preservation of Waterborne Oil Samples
- ASTM D3326 - Practice for Preparation of Samples for Identification of Waterborne Oils
- ASTM D3328 - Test Methods for Comparison of Waterborne Petroleum Oils by Gas Chromatography
- ASTM D4489 - Practices for Sampling of Waterborne Oils
- ASTM D4840 - Guide for Sample Chain-of-Custody Procedures
- ASTM D5739 - Practice for Oil Spill Source Identification by Gas Chromatography and Mass Spectrometry
- ASTM E620 - Practice for Reporting Opinions of Scientific or Technical Experts
Practical Value
The use of ASTM D3415-98(2024) ensures standardized, repeatable, and defensible identification of waterborne oils, crucial for environmental protection and liability determination. Adhering to this standard increases accuracy in oil spill investigations, enhances regulatory compliance, and supports robust legal outcomes. By following established best practices in sampling, analysis, and reporting, stakeholders safeguard environmental health and uphold industry accountability.
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Frequently Asked Questions
ASTM D3415-98(2024) is a standard published by ASTM International. Its full title is "Standard Practice for Identification of Waterborne Oils". This standard covers: SIGNIFICANCE AND USE 4.1 Oil from one crude oil field is readily distinguishable from another, and differences in the makeup of oils from the same crude oil field can often be observed as well. Refined oils are fractions from crude oil stocks, usually derived from distillation processes. Two refined oils of the same type differ because of dissimilarities in the characteristics of their crude oil feed stocks as well as variations in refinery processes and any subsequent contact with other oils mixed in during transfer operations from residues in tanks, ships, pipes, hoses, and so forth. Thus, all petroleum oils, to some extent, have chemical compositions different from each other. 4.2 Identification of a recovered oil is determined by comparison with known oils selected because of their possible relationship to the particular recovered oil, for example, suspected sources. Thus, samples of such known oils must be collected and submitted along with the unknown for analysis. Identification of the source of an unknown oil by itself cannot be made without comparison to a known oil. The principles of oil spill identification are discussed in Ref (1).4 4.3 Many similarities (within uncertainties of sampling, analysis and weathering) will be needed to establish the identity beyond a reasonable doubt. The analyses described will distinguish many, but not all samples. Examples of weathering of various classes of oils are included in Ref (2). 4.4 This practice is a guide to the use of ASTM test methods for the analysis of oil samples for oil spill identification purposes. The evaluation of results from analytical methods and preparation of an Oil Spill Identification Report are discussed in this practice. Other analytical methods are described in Ref (3). 4.5 A quality assurance program for oil spill identification is specified. SCOPE 1.1 This practice covers the broad concepts of sampling and analyzing waterborne oils for identification and comparison with suspected source oils. Detailed procedures are referenced in this practice. A general approach is given to aid the investigator in planning a program to solve the problem of chemical characterization and to determine the source of a waterborne oil sample. 1.2 This practice is applicable to all waterborne oils taken from water bodies, either natural or man-made, such as open oceans, estuaries or bays, lakes, rivers, smaller streams, canals; or from beaches, marshes, or banks lining or edging these water systems. Generally, the waterborne oils float on the surface of the waters or collect on the land surfaces adjoining the waters, but occasionally these oils, or portions, are emulsified or dissolved in the waters, or are incorporated into the sediments underlying the waters, or into the organisms living in the water or sediments. 1.3 This practice as presently written proposes the use of specific analytical techniques described in the referenced ASTM standards. As additional techniques for characterizing waterborne oils are developed and written up as test methods, this practice will be revised. 1.4 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use. 1.5 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
SIGNIFICANCE AND USE 4.1 Oil from one crude oil field is readily distinguishable from another, and differences in the makeup of oils from the same crude oil field can often be observed as well. Refined oils are fractions from crude oil stocks, usually derived from distillation processes. Two refined oils of the same type differ because of dissimilarities in the characteristics of their crude oil feed stocks as well as variations in refinery processes and any subsequent contact with other oils mixed in during transfer operations from residues in tanks, ships, pipes, hoses, and so forth. Thus, all petroleum oils, to some extent, have chemical compositions different from each other. 4.2 Identification of a recovered oil is determined by comparison with known oils selected because of their possible relationship to the particular recovered oil, for example, suspected sources. Thus, samples of such known oils must be collected and submitted along with the unknown for analysis. Identification of the source of an unknown oil by itself cannot be made without comparison to a known oil. The principles of oil spill identification are discussed in Ref (1).4 4.3 Many similarities (within uncertainties of sampling, analysis and weathering) will be needed to establish the identity beyond a reasonable doubt. The analyses described will distinguish many, but not all samples. Examples of weathering of various classes of oils are included in Ref (2). 4.4 This practice is a guide to the use of ASTM test methods for the analysis of oil samples for oil spill identification purposes. The evaluation of results from analytical methods and preparation of an Oil Spill Identification Report are discussed in this practice. Other analytical methods are described in Ref (3). 4.5 A quality assurance program for oil spill identification is specified. SCOPE 1.1 This practice covers the broad concepts of sampling and analyzing waterborne oils for identification and comparison with suspected source oils. Detailed procedures are referenced in this practice. A general approach is given to aid the investigator in planning a program to solve the problem of chemical characterization and to determine the source of a waterborne oil sample. 1.2 This practice is applicable to all waterborne oils taken from water bodies, either natural or man-made, such as open oceans, estuaries or bays, lakes, rivers, smaller streams, canals; or from beaches, marshes, or banks lining or edging these water systems. Generally, the waterborne oils float on the surface of the waters or collect on the land surfaces adjoining the waters, but occasionally these oils, or portions, are emulsified or dissolved in the waters, or are incorporated into the sediments underlying the waters, or into the organisms living in the water or sediments. 1.3 This practice as presently written proposes the use of specific analytical techniques described in the referenced ASTM standards. As additional techniques for characterizing waterborne oils are developed and written up as test methods, this practice will be revised. 1.4 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use. 1.5 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
ASTM D3415-98(2024) is classified under the following ICS (International Classification for Standards) categories: 75.080 - Petroleum products in general. The ICS classification helps identify the subject area and facilitates finding related standards.
ASTM D3415-98(2024) has the following relationships with other standards: It is inter standard links to ASTM D3415-98(2017), ASTM D3326-07(2024), ASTM D3326-07(2017), ASTM D4489-95(2017), ASTM D5739-06(2020), ASTM D5412-93(2017)e1, ASTM D4489-95(2024), ASTM D3328-06(2020), ASTM D3325-90(2020). Understanding these relationships helps ensure you are using the most current and applicable version of the standard.
ASTM D3415-98(2024) is available in PDF format for immediate download after purchase. The document can be added to your cart and obtained through the secure checkout process. Digital delivery ensures instant access to the complete standard document.
Standards Content (Sample)
This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the
Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
Designation: D3415 − 98 (Reapproved 2024)
Standard Practice for
Identification of Waterborne Oils
This standard is issued under the fixed designation D3415; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
1. Scope 2. Referenced Documents
2.1 ASTM Standards:
1.1 This practice covers the broad concepts of sampling and
D1129 Terminology Relating to Water
analyzing waterborne oils for identification and comparison
D3325 Practice for Preservation of Waterborne Oil Samples
with suspected source oils. Detailed procedures are referenced
D3326 Practice for Preparation of Samples for Identification
in this practice. A general approach is given to aid the
of Waterborne Oils
investigator in planning a program to solve the problem of
D3328 Test Methods for Comparison of Waterborne Petro-
chemical characterization and to determine the source of a
leum Oils by Gas Chromatography
waterborne oil sample.
D3414 Test Method for Comparison of Waterborne Petro-
1.2 This practice is applicable to all waterborne oils taken
leum Oils by Infrared Spectroscopy (Withdrawn 2018)
from water bodies, either natural or man-made, such as open
D3650 Test Method for Comparison of Waterborne Petro-
oceans, estuaries or bays, lakes, rivers, smaller streams, canals; leum Oils By Fluorescence Analysis (Withdrawn 2018)
or from beaches, marshes, or banks lining or edging these
D4489 Practices for Sampling of Waterborne Oils
water systems. Generally, the waterborne oils float on the D4840 Guide for Sample Chain-of-Custody Procedures
surface of the waters or collect on the land surfaces adjoining D5037 Test Method for Comparison of Waterborne Petro-
leum Oils by High Performance Liquid Chromatography
the waters, but occasionally these oils, or portions, are emul-
(Withdrawn 2002)
sified or dissolved in the waters, or are incorporated into the
D5739 Practice for Oil Spill Source Identification by Gas
sediments underlying the waters, or into the organisms living
Chromatography and Positive Ion Electron Impact Low
in the water or sediments.
Resolution Mass Spectrometry
1.3 This practice as presently written proposes the use of
E620 Practice for Reporting Opinions of Scientific or Tech-
specific analytical techniques described in the referenced
nical Experts
ASTM standards. As additional techniques for characterizing
waterborne oils are developed and written up as test methods,
3. Terminology
this practice will be revised.
3.1 Definitions:
1.4 This standard does not purport to address all of the
3.1.1 For definitions of terms used in this standard, refer to
safety concerns, if any, associated with its use. It is the
Terminology D1129, and to Practices D3325, D3326, D4489,
responsibility of the user of this standard to establish appro-
and D5739, and Test Methods D3328, D3650, and D5037.
priate safety, health, and environmental practices and deter-
3.2 Definitions of Terms Specific to This Standard:
mine the applicability of regulatory limitations prior to use.
3.2.1 waterborne oil, n—any oil, whether or not derived
1.5 This international standard was developed in accor-
from petroleum, carried by a water system (for example, ocean,
dance with internationally recognized principles on standard-
bay, lake, river, etc.) usually at the surface but occasionally
ization established in the Decision on Principles for the
emulsified or dissolved in the water. The waterborne oil can
Development of International Standards, Guides and Recom-
also be found on beaches or banks edging the water body, in
mendations issued by the World Trade Organization Technical the sediments underlying the water, or in the organisms living
Barriers to Trade (TBT) Committee.
in the water or in the sediments.
1 2
This practice is under the jurisdiction of ASTM Committee D19 on Water and For referenced ASTM standards, visit the ASTM website, www.astm.org, or
is the direct responsibility of Subcommittee D19.06 on Methods for Analysis for contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
Organic Substances in Water. Standards volume information, refer to the standard’s Document Summary page on
Current edition approved April 1, 2024. Published April 2024. Originally the ASTM website.
approved in 1975. Last previous edition approved in 2017 as D3415 – 98 (2017). The last approved version of this historical standard is referenced on
DOI: 10.1520/D3415-98R24. www.astm.org.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
D3415 − 98 (2024)
4. Significance and Use sample is analyzed with samples for each spill case. This
monitors both sample preparation and instrument performance.
4.1 Oil from one crude oil field is readily distinguishable
5.4.2 Remove an aliquot of one of the samples for each case
from another, and differences in the makeup of oils from the
prior to sample preparation and treat it as a separate sample.
same crude oil field can often be observed as well. Refined oils
This quality control (QC) sample should be taken from a spill
are fractions from crude oil stocks, usually derived from
sample if there is sufficient sample volume to do so. Otherwise,
distillation processes. Two refined oils of the same type differ
a suspected source sample may be used.
because of dissimilarities in the characteristics of their crude
5.4.3 Evaluate the data for the QC sample and its duplicate
oil feed stocks as well as variations in refinery processes and
aliquot according to the guidelines described for each Test
any subsequent contact with other oils mixed in during transfer
Method (refer to 5.5). If the data do not meet the criteria for a
operations from residues in tanks, ships, pipes, hoses, and so
match, investigate the problem. If there is a problem with one
forth. Thus, all petroleum oils, to some extent, have chemical
instrument, the analysis must be repeated for that test method
compositions different from each other.
after the problem is corrected. If there is a sample preparation
4.2 Identification of a recovered oil is determined by com-
problem, the analysis should be repeated after the problem is
parison with known oils selected because of their possible
identified.
relationship to the particular recovered oil, for example,
5.5 Analysis of Samples:
suspected sources. Thus, samples of such known oils must be
5.5.1 Analyze spill samples as well as any suspected source
collected and submitted along with the unknown for analysis.
oils, by gas chromatography (Test Method A or B of Test
Identification of the source of an unknown oil by itself cannot
Methods D3328, D3414) and by either infrared analysis (Test
be made without comparison to a known oil. The principles of
Methods D3414, D3650), or fluorescence spectroscopy (Test
oil spill identification are discussed in Ref (1).
Method D3650, Practices D4489). Interpretation of the
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