
Oil Spill Environmental Forensics
Fingerprinting and Source Identification
By:Â Scott Stout, Zhendi Wang
Hardcover | 14 December 2006
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620 Pages
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Oil Spill Environmental Forensics provides a complete view of the various forensic techniques used to identify the source of an oil spill into the environment. The forensic procedures described within represent various methods from scientists throughout the world. The authors explore which analytical and interpretative techniques are best suited for a particular oil spill project.
This handy reference also explores the use of these techniques in actual environmental oil spills. Famous incidents discussed include the Exxon Valdez incident in 1989 and the Guanabara Bay, Brazil 2000. The authors chronicle both the successes and failures of the techniques used for each of these events.
Dr. Zhendi Wang is a senior research scientist and Head of Oil Spill Research of Environment Canada, working in the oil and toxic chemical spill research field. He has authored over 270 academic publications and won a number of national and international scientific honors and awards. Dr. Wang is a member of American Chemical Society (ACS), the Canadian Society for Chemistry (CSC), and the International Society of Environmental Forensics (ISEF).
- International experts show readers the forensic techniques used in oil spill investigations
- Provides the theoretical basis and practical applications for investigative techniques
- Contains numerous case studies demonstrating proven technique
Industry Reviews
| Preface | p. xlvii |
| Contributors | p. xlix |
| Chemical Fingerprinting of Spilled or Discharged Petroleum - Methods and Factors Affecting Petroleum Fingerprints in the Environment | p. 1 |
| Introduction | p. 1 |
| Methods for Chemical Fingerprinting Petroleum | p. 3 |
| Historical Perspective | p. 3 |
| Tier 1 - Chemical Fingerprinting via GC/FID | p. 6 |
| Tier 2 - Chemical Fingerprinting via GC/MS | p. 7 |
| Polycyclic Aromatic Hydrocarbons | p. 8 |
| Petroleum Biomarkers | p. 9 |
| Quality Assurance and Quality Control | p. 10 |
| Quality Control | p. 10 |
| Quality Assurance | p. 10 |
| Factors Controlling the Chemical Fingerprints of Spilled or Discharged Petroleum | p. 11 |
| Primary Control - Crude Oil Genesis | p. 13 |
| Secondary Controls - Petroleum Refining | p. 18 |
| Gasoline | p. 21 |
| Distillate Fuels | p. 22 |
| Residual Fuels | p. 27 |
| Lubricating Oils | p. 28 |
| Oily Waste/Bilge Water Discharges | p. 28 |
| Tertiary Controls - Weathering | p. 29 |
| Evaporation | p. 30 |
| Dissolution | p. 32 |
| Biodegradation | p. 32 |
| Photooxidation | p. 34 |
| Mousse Formation | p. 34 |
| De-Waxing and Wax Enrichment | p. 34 |
| Tertiary Controls-Mixing with "Background" | p. 36 |
| What Is "Background"? | p. 36 |
| Recognizing and Establishing Background | p. 37 |
| Naturally Occurring Background Hydrocarbons | p. 37 |
| Vascular Plant and Algal Debris | p. 38 |
| Particulate Coal and Wood Charcoal | p. 39 |
| Natural Oil Seeps | p. 41 |
| Anthropogenic Background Hydrocarbons | p. 41 |
| Urban and River Runoff | p. 42 |
| Summary | p. 43 |
| References | p. 45 |
| Spill Site Investigation in Environmental Forensic Investigation | p. 55 |
| Introduction | p. 55 |
| Environmental Site Characterization and Reconnaissance Survey | p. 55 |
| Site Entry and Safety Issues during the Emergency Response Phase | p. 57 |
| Management of Safety | p. 57 |
| Risk Assessment and Characterization | p. 58 |
| Chemical Toxicity of the Spilled Oil | p. 59 |
| Working Environment Safety | p. 60 |
| Personal Protective Equipment (PPE) | p. 60 |
| Determination of Geographic Boundary and Definition of Different Zones within the Affected Area: 1. Terrestrial Oil Spills | p. 61 |
| Determination of Geographic Boundary and Definition of Different Zones within the Affected Area: 2. Marine/Coastal Waterborne Oil Spills | p. 62 |
| Collection of Physical, Ecological, and Environmental Data | p. 63 |
| Sampling Plan and Design: 1. Spills with Known Source | p. 64 |
| Water Column Sampling | p. 64 |
| Oil Source Sampling | p. 65 |
| Sampling on Land | p. 65 |
| Sampling Plan Design | p. 65 |
| Sampling Plan and Design: 2. "Mystery" Spills | p. 66 |
| Data Management | p. 67 |
| Conclusions | p. 71 |
| References | p. 71 |
| Petroleum Biomarker Fingerprinting for Oil Spill Characterization and Source Identification | p. 73 |
| Introduction | p. 73 |
| Analytical Methodologies for Petroleum Biomarker Fingerprinting | p. 74 |
| Petroleum Biomarker Families | p. 74 |
| Acyclic Terpenoids or Isoprenoids | p. 75 |
| Cyclic Terpenoids | p. 75 |
| Labeling and Nomenclature of Biomarkers | p. 77 |
| Stereoisomers | p. 79 |
| Asymmetric (or Chiral) Carbons and [Alpha] and [Beta] Stereoisomers | p. 80 |
| R and S Stereoisomers of Cyclic Biomarkers | p. 81 |
| Analysis Methods for Biomarker Fingerprinting | p. 81 |
| Capillary Gas Chromatography - Mass Spectrometry (GC-MS) | p. 83 |
| Benchtop Quadrupole GC-MS | p. 84 |
| Scan Mode | p. 84 |
| Selected Ion Monitoring (SIM) Mode | p. 84 |
| Example Benchtop GC-MS Conditions (EC Oil Spill Research Laboratory) | p. 85 |
| Example Benchtop GC-MS Conditions (Petrobras Geochemistry Laboratory) | p. 85 |
| Triple Quadrupole GC-MS-MS | p. 85 |
| Mass Spectra and Identification of Biomarkers | p. 86 |
| Fingerprinting Petroleum Biomarkers | p. 90 |
| Biomarkers in Crude Oils | p. 90 |
| Biomarkers in Petroleum Products | p. 99 |
| Biomarkers in Lubricating Oils | p. 101 |
| Biomarkers in Oil Fractions with Different Carbon Number Range | p. 104 |
| Aromatic Steranes in Oils and Petroleum Products | p. 104 |
| Sesquiterpanes in Oils and Petroleum Products | p. 109 |
| Diamondoid Compounds in Oils and Lighter Petroleum Products | p. 114 |
| Application of Biomarker Fingerprintings to Oil Spill Studies | p. 117 |
| Source-Specific Biomarkers | p. 121 |
| p. 125 | |
| Diagnostic Ratios of Biomarkers | p. 126 |
| Cross-Plots of Biomarkers | p. 128 |
| Effects of Weathering on Biomarker Fingerprinting | p. 130 |
| Processes Affecting the Fate and Behavior of Spilled Oil | p. 130 |
| Weathering Effects on Biomarkers Fingerprinting | p. 132 |
| Biodegradation of Biomarkers in Spilled Oil | p. 133 |
| Determination of Weathered Percentages Using Biomarkers | p. 134 |
| Case Study: Source Identification of a Harbor Spill by Forensic Fingerprinting of Biomarkers | p. 134 |
| Product Type-Screening | p. 134 |
| Characterization of Bicyclic Sesquiterpanes | p. 135 |
| Confirmation of Source Identification by Quantitative Evaluation of Alkylated PAHs and Pentacyclic Terpanes and Steranes | p. 135 |
| Conclusions | p. 138 |
| References | p. 140 |
| Characterization of Polycyclic Aromatic Sulfur Heterocycles for Source Identification | p. 147 |
| Introduction | p. 147 |
| Sulfur Compounds in Crude Oil and Petroleum Products | p. 148 |
| Influence of Refinery Processes on PASH Patterns | p. 150 |
| Stability of Polycyclic Aromatic Sulfur Heterocycles in the Environment | p. 152 |
| Petroleum PASH Analysis Techniques | p. 155 |
| Selective Detection in Gas Chromatography | p. 156 |
| Flame Photometric Detection (FPD) | p. 156 |
| Atomic Emission Detection (AED) | p. 157 |
| Sulfur Chemiluminescence Detection (SCD) | p. 157 |
| Mass-Selective Detection (MSD) | p. 157 |
| Class Separation of PAH and PASH | p. 157 |
| Comprehensive Two-Dimensional Gas Chromatography | p. 158 |
| Quantification of PASH | p. 158 |
| Petroleum PASH Markers in Environmental Forensic Investigations | p. 159 |
| PASHs as Source Markers | p. 160 |
| PASHs as Weathering Markers | p. 162 |
| Conclusions | p. 164 |
| References | p. 164 |
| Oil Spill Identification by Comprehensive Two-Dimensional Gas Chromatography (GC x GC) | p. 169 |
| Introduction | p. 169 |
| The Need for High-Resolution Separations | p. 169 |
| Multidimensional Methods | p. 170 |
| Comprehensive Two-Dimensional Gas Chromatography (GC x GC) | p. 171 |
| Modulation Techniques | p. 172 |
| Detectors | p. 172 |
| Data Processing | p. 173 |
| GC x GC Chromatogram | p. 174 |
| Peak Identity and Chromatogram Structure | p. 175 |
| GC x GC Petroleum Applications | p. 180 |
| Applications of GC x GC to Fingerprint Oil Spills | p. 181 |
| Mobile Bay Marine Diesel Fuel Spill | p. 181 |
| West Falmouth No. 2 Fuel Oil Spill | p. 184 |
| Winsor Cove No. 2 Fuel Oil Spill | p. 187 |
| Buzzards Bay No. 6 (Bunker C) Spill | p. 191 |
| Oil Seeps, Santa Barbara, CA, USA | p. 196 |
| Conclusion | p. 201 |
| Acknowledgments | p. 202 |
| References | p. 202 |
| Application of Stable Isotope Ratios in Spilled Oil Identification | p. 207 |
| Introduction | p. 207 |
| Isotope Ratios and Their Measurement | p. 207 |
| Bulk Isotope Ratios | p. 210 |
| Compound-Specific Isotope Analysis (CSIA) | p. 214 |
| Experimental Considerations | p. 220 |
| Weathering | p. 220 |
| Other Isotopes | p. 224 |
| Conclusions | p. 224 |
| References | p. 225 |
| Emerging CEN Methodology for Oil Spill Identification | p. 229 |
| Introduction | p. 230 |
| Scope of the CEN Methodology | p. 231 |
| Strategy for Identifying Oil Spills | p. 231 |
| Tiered Levels of Analysis and Data Treatment | p. 233 |
| Decision Chart for Identifying Oil Spills | p. 233 |
| Visual Characterization and Preparation/Cleanup of Oil Samples | p. 233 |
| Level 1 - GC/FID Screening | p. 235 |
| Evaluation of Weathering | p. 236 |
| Level 2 - GC/MS Fingerprinting | p. 237 |
| Diagnostic Ratios from GC/MS Fingerprinting | p. 237 |
| Diagnostic Ratios Derived from Alkylated Polycyclic Aromatic Compounds | p. 238 |
| Diagnostic Ratios Derived from Petroleum Biomarkers | p. 239 |
| Optional Diagnostic Ratios Derived from Sesquiterpanes | p. 240 |
| Level 3 - Treatment of Results | p. 245 |
| Comparison of Oil Samples Using Diagnostic Ratios | p. 245 |
| Criteria for Selecting, Eliminating, and Evaluating Diagnostic Ratios | p. 245 |
| Repeatability Limit and Critical Difference | p. 246 |
| Elimination of Diagnostic Ratios Using Signal-to-Noise (S/N) Test | p. 246 |
| Elimination of Diagnostic Ratios Using Duplicate Analyses | p. 248 |
| Optional Comparison of Diagnostic Ratios Using Multivariate Statistics | p. 249 |
| Final Evaluation and Conclusions | p. 250 |
| The CEN Methodology in Practice: A Case Study | p. 251 |
| The Spill Case | p. 251 |
| GC/FID Screening | p. 251 |
| GC/MS Fingerprinting | p. 251 |
| Evaluation and Comparison of Diagnostic Ratios | p. 251 |
| Summary | p. 254 |
| Acknowledgment | p. 255 |
| References | p. 255 |
| Advantages of Quantitative Chemical Fingerprinting in Oil Spill Source Identification | p. 257 |
| Introduction | p. 257 |
| Qualitative Fingerprinting Methods | p. 258 |
| Shortcomings of Qualitative Fingerprinting | p. 260 |
| Weathered Oils | p. 260 |
| Genetically Similar Oils | p. 260 |
| Qualitatively Similar Oils | p. 261 |
| Mixing | p. 261 |
| Quantitative Fingerprinting Methods | p. 263 |
| Semiquantitative versus Fully Quantitative Methods | p. 263 |
| Data Generation for Fully Quantitative Fingerprinting | p. 265 |
| Sample Collection | p. 265 |
| Sample Preparation | p. 266 |
| GC/FID Analysis | p. 266 |
| GC/MS Analysis | p. 268 |
| Data Quality | p. 269 |
| Selection of Diagnostic Indices | p. 269 |
| Source Identification Protocols for Quantitative Fingerprinting Data | p. 272 |
| Unraveling Mixed Source Oils Using Quantitative Fingerprinting Data | p. 276 |
| Two-Component Mixing Models | p. 276 |
| Case Study 1 | p. 277 |
| Case Study 2 | p. 279 |
| Mixing Model Case Study 2 | p. 284 |
| Summary | p. 289 |
| References | p. 290 |
| A Multivariate Approach to Oil Hydrocarbon Fingerprinting and Spill Source Identification | p. 293 |
| Introduction | p. 293 |
| Multivariate Methods and Oil Fingerprinting | p. 294 |
| Integrated Multivariate Oil Fingerprinting (IMOF) | p. 296 |
| Sample Preparation and Chemical Analysis | p. 297 |
| Sample Preparation | p. 297 |
| Analytical Methods | p. 298 |
| Fluorescence Spectroscopy | p. 298 |
| GC-MS | p. 299 |
| Quality Assurance and Quality Control (QA/QC) | p. 301 |
| Data Preprocessing | p. 302 |
| Partial GC-MS/SIM Chromatograms | p. 303 |
| Baseline Removal | p. 303 |
| Retention Time Alignment | p. 304 |
| Normalization | p. 306 |
| Diagnostic Ratios | p. 306 |
| Preprocessing of Fluorescence Spectra | p. 307 |
| Multivariate Statistical Data Analysis | p. 308 |
| Multilinear Models | p. 310 |
| Two-Way Case | p. 310 |
| Higher-Order Arrays | p. 311 |
| Variable Selection and Scaling | p. 312 |
| Data Evaluation | p. 314 |
| Visual Inspection of Score and Loading Plots | p. 315 |
| Numerical Comparisons and Statistical Tests | p. 317 |
| Conclusions and Perspectives | p. 319 |
| Acknowledgments | p. 321 |
| References | p. 322 |
| Chemical Heterogeneity of Modern Marine Residual Fuel Oils | p. 327 |
| Introduction | p. 327 |
| Historical Perspective | p. 328 |
| Production of Heavy Fuel Oils | p. 328 |
| Marine Fuel Nomenclature and Classification | p. 329 |
| Forensic Chemistry Considerations | p. 330 |
| General Chemical Fingerprinting | p. 330 |
| Samples and Analytical Methods | p. 332 |
| General Features of Modern Residual Marine Fuel Oils | p. 332 |
| Molecular Variability among Modern Residual Fuel Oils | p. 336 |
| Petroleum Biomarkers | p. 336 |
| Polycyclic Aromatic Hydrocarbons | p. 338 |
| Distinguishing Heavy Fuel Oils from Crude Oil | p. 343 |
| Conclusion | p. 346 |
| References | p. 346 |
| Biodegradation of Oil Hydrocarbons and Its Implications for Source Identification | p. 349 |
| Introduction | p. 349 |
| Biochemistry of Petroleum Biodegradation | p. 349 |
| Aerobic Biodegradation of Hydrocarbons | p. 351 |
| Anaerobic Biodegradation of Hydrocarbons | p. 355 |
| Subsurface Biodegradation of Petroleum | p. 357 |
| The Biodegradation of Hopanes and the Formation of 25-Norhopanes | p. 360 |
| Factors Limiting Biodegradation | p. 362 |
| Microbial Ecology of Petroleum Biodegradation | p. 365 |
| The Succession of Microbial Communities | p. 365 |
| Deep Subsurface Ecology | p. 367 |
| Aerobic Respiration | p. 367 |
| Anaerobic Respiration | p. 368 |
| Conclusions; Implications of Biodegradation on Identification | p. 369 |
| References | p. 370 |
| Identification of Hydrocarbons in Biological Samples for Source Determination | p. 381 |
| Introduction | p. 381 |
| Determination of the Primary Route of Hydrocarbon Accumulation by Biota | p. 382 |
| Catabolic Degradation of Hydrocarbons Accumulated by Biota | p. 387 |
| Catabolic Degradation of PAH | p. 387 |
| Effects of Catabolism on PAH Accumulation, Persistence, and Depuration | p. 390 |
| Modes of Toxic Action of Accumulated Hydrocarbons | p. 393 |
| Case Study: The Exxon Valdez Oil Spill | p. 396 |
| Summary | p. 398 |
| References | p. 398 |
| Trajectory Modeling of Marine Oil Spills | p. 405 |
| Introduction | p. 405 |
| Forecasting and Hindcasting Oil Spill Movement | p. 406 |
| Oil Spill Transport | p. 407 |
| Wind | p. 409 |
| Currents | p. 411 |
| Turbulent Diffusion | p. 413 |
| Evolution of an Oil Spill | p. 413 |
| Spreading | p. 413 |
| Oil Weathering | p. 414 |
| Conclusions and Challenges | p. 416 |
| Acknowledgments | p. 416 |
| References | p. 416 |
| Oil Spill Remote Sensing: A Forensic Approach | p. 419 |
| Introduction | p. 419 |
| Visible Indications of Oil | p. 420 |
| Optical Sensors | p. 420 |
| Visible | p. 420 |
| Infrared | p. 422 |
| Ultraviolet | p. 423 |
| Night Vision Cameras | p. 423 |
| Laser Fluorosensors | p. 423 |
| Microwave Sensors | p. 426 |
| Radiometers | p. 426 |
| Radar | p. 426 |
| Microwave Scatterometers | p. 428 |
| Determination of Slick Thickness | p. 428 |
| Visual Thickness Indications | p. 428 |
| Theoretical Approaches | p. 429 |
| Literature Review of Visual Indications of Oil Slick Thickness | p. 429 |
| Oil Slick-Thickness Relationships in Remote Sensors | p. 431 |
| Specific Oil-Thickness Sensors | p. 432 |
| Acoustic Systems | p. 435 |
| Satellite Remote Sensing | p. 435 |
| Detection of Oil under Ice | p. 436 |
| Real-Time Displays and Printers | p. 438 |
| Future Trends | p. 438 |
| References | p. 439 |
| Advances in Forensic Techniques for Petroleum Hydrocarbons: The Exxon Valdez Experience | p. 449 |
| Introduction | p. 449 |
| Identification of Hydrocarbon Sources in PWS | p. 450 |
| Multiple Sources of Hydrocarbons | p. 450 |
| Petrogenic Hydrocarbons | p. 451 |
| Biogenic Hydrocarbons | p. 453 |
| Pyrogenic Hydrocarbons | p. 453 |
| Composition of Exxon Valdez Crude and Its Weathering Products | p. 453 |
| Bulk Composition and Trace Chemistry | p. 453 |
| Weathering Trends | p. 457 |
| Data Sources | p. 457 |
| Major Fraction Trends | p. 457 |
| PAH Trends | p. 457 |
| Mass Loss during Weathering | p. 458 |
| Resolution of Inputs to the Natural Background | p. 458 |
| Hydrocarbon Source Allocations | p. 462 |
| Source Allocation Models | p. 462 |
| Qualitative Allocation Models | p. 464 |
| Quantitative Models | p. 464 |
| PAH Ratios | p. 464 |
| Statistical Models | p. 465 |
| Statistical Models | p. 466 |
| Multivariate Methods - Constrained Least Squares | p. 466 |
| Multivariate Analysis - Partial Least Squares | p. 468 |
| Total Organic Carbon (TOC) Constraints on Source Allocations | p. 468 |
| Allocation of Anthropogenic Sources of PAH | p. 469 |
| Identification of Hydrocarbons in Biological Samples | p. 470 |
| Applications of Forensic Methods to Assessments of Oil Bioavailability | p. 477 |
| PAH Uptake in Biota | p. 477 |
| Passive Sampling of PAH in Water | p. 481 |
| Biological Markers | p. 481 |
| Summary | p. 482 |
| Acknowledgments | p. 483 |
| References | p. 483 |
| Case Study: Oil Spills in the Strait of Malacca, Malaysia | p. 489 |
| Strait of Malacca, Malaysia: Introduction | p. 489 |
| Hydro-Oceanographic Condition of the Strait | p. 489 |
| Ship Traffic in the Strait of Malacca: Historical and Present | p. 491 |
| Chronic and Acute Oil Spill Events in the Strait | p. 491 |
| Contribution of Oil Pollution Sources in Malaysia | p. 491 |
| Methodology | p. 492 |
| Sample Collection | p. 492 |
| Source Petroleum | p. 492 |
| Tar-Ball Samples | p. 492 |
| Sediment Samples | p. 492 |
| Street Dust Samples | p. 493 |
| Asphalt Samples | p. 494 |
| Fresh Crankcase Oil | p. 494 |
| Used Crankcase Oil | p. 495 |
| Automobile Tire Rubber | p. 495 |
| Aerosol Samples | p. 495 |
| Analytical Procedure | p. 495 |
| Chemicals | p. 495 |
| Extraction and Fractionation | p. 496 |
| Instrumental Analysis | p. 496 |
| Analysis of Alkanes and Hopanes | p. 496 |
| N-Cyclohexyl-2-Benzothiozolamine (NCBA) | p. 497 |
| Analysis of PAHs | p. 497 |
| Establishment and Application of Biomarker Analysis for Source Identification of Oil Pollution Sources in the Strait of Malacca | p. 498 |
| Case Study 1: Development of the Analytical Method for Oil Pollution Source Identification Using Biomarkers in the Strait of Malacca | p. 498 |
| Weathering of Tar Balls | p. 499 |
| The Application of Molecular Markers for Source Identification of Tar-Ball Pollution in Malaysia | p. 501 |
| Case Study 2: Distribution and Sources of Polycyclic Aromatic Hydrocarbons (PAHs) in Rivers and Estuaries in Malaysia | p. 502 |
| Conclusions and Future Scenario | p. 502 |
| References | p. 503 |
| Evaluation of Hydrocarbon Sources in Guanabara Bay, Brazil | p. 505 |
| Guanabara Bay and Hydrocarbon Apportioning | p. 505 |
| Regional Setting | p. 506 |
| January 2000 Heavy Fuel Oil Spill | p. 506 |
| Methodology for Hydrocarbon Determination and Source Evaluation | p. 507 |
| Sampling Design | p. 507 |
| Chemical Analysis | p. 508 |
| Sediment Sample Extraction | p. 508 |
| Extract Cleanup | p. 509 |
| PAH Analysis of Sediment Samples | p. 509 |
| Biomarkers | p. 510 |
| Source Identification Techniques | p. 510 |
| PAH Diagnostic Ratios | p. 510 |
| PAH Multivariate Statistical Analysis | p. 511 |
| Biomarker Diagnostic Ratios | p. 511 |
| Hydrocarbon Results for Guanabara Bay Sediments | p. 511 |
| PAH Quantification and Distribution | p. 511 |
| Hydrocarbon Source Identification | p. 514 |
| PAH Diagnostic Ratios | p. 514 |
| PAH Principal Component Analysis | p. 525 |
| Biomarker Diagnostic Ratios | p. 527 |
| Conclusions | p. 531 |
| Acknowledgments | p. 533 |
| References | p. 534 |
| Index | p. 537 |
| Table of Contents provided by Ingram. All Rights Reserved. |
ISBN: 9780123695239
ISBN-10: 0123695236
Published: 14th December 2006
Format: Hardcover
Language: English
Number of Pages: 620
Audience: Professional and Scholarly
Publisher: Academic Press
Country of Publication: US
Dimensions (cm): 25.4 x 17.78 x 1.91
Weight (kg): 1.21
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