Estimation of Airborne Vapor Concentrations of Oil Dispersants COREXIT™ EC9527A and EC9500A, Volatile Components Associated with the Deepwater Horizon Oil Spill Response and Clean-up Operations

Mark R. Stenzel, Susan F. Arnold, Gurumurthy Ramachandran, Richard K. Kwok, Lawrence S. Engel, Dale P. Sandler, Patricia A. Stewart

Research output: Contribution to journalArticlepeer-review

14 Scopus citations

Abstract

The Deepwater Horizon (DWH) drilling unit explosion above the Macondo oil well on 20 April 2010 caused the release of approximately 4.9 million barrels (779 million L) of oil into the Gulf of Mexico. As part of a larger spill response and clean-up effort, approximately 1.84 million gallons (6.81 million L) of chemical dispersants COREXIT™ EC9500A and COREXIT™ EC9527A were applied to the resultant oil slicks through spraying on the water surface by plane and by vessel and through injection at the release source near the seabed. The GuLF STUDY is investigating the health effects of workers involved in the oil spill response and clean-up after the DWH explosion, and estimates of possible exposure to chemical dispersants were needed. Exposures were estimated to the volatile components of COREXIT™ EC9500A [petroleum distillates, hydrotreated light, and propylene glycol (PG)] and of COREXIT™ EC9527A [2-butoxyethanol (2-BE) and PG] using two of AIHA IHMOD2.0

Original languageEnglish (US)
Pages (from-to)I202-I217
JournalAnnals of Work Exposures and Health
Volume66
Issue numberSupplement_1
DOIs
StatePublished - Apr 1 2022

Bibliographical note

Funding Information:
This study was funded by the NIH Common Fund and the Intramural Research Program of the NIH, National Institute of Environmental Health Sciences (ZO1 ES 102945)

Publisher Copyright:
© 2022 Oxford University Press. All rights reserved.

Keywords

  • Deepwater Horizon
  • dispersants
  • mathematical exposure modeling
  • oil spill
  • Water
  • Gases
  • Water Pollutants, Chemical/analysis
  • Humans
  • Occupational Exposure
  • Petroleum Pollution/analysis
  • Petroleum

PubMed: MeSH publication types

  • Journal Article
  • Research Support, N.I.H., Extramural
  • Research Support, N.I.H., Intramural

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