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| Project Number | 590 |
| Date of Summary | February 11, 2008 |
| Subject | Changes with Dispersant Effectiveness with Extended Exposure in Calm Seas |
| Performing Activity | S.L. Ross Environmental Research Ltd. and Alun Lewis Oil Spill Consultancy |
| Principal Investigator | Dr. Ken Trudel, Mr. Randy Belore, Mr. Alun Lewis |
| Contracting Agency | Minerals Management Service |
| Estimated Completion | Completed |
| Description | The objective of this research project is to continue to investigate the conditions that might lead to the loss of surfactants from dispersant-treated oil, so that subsequent application of breaking waves will not result in dispersion. A one-week test series will be conducted at Ohmsett - The National Oil Spill Response Test Facility. Long-term exposures of "topped" Oseberg crude oil will be pre-mixed with Corexit 9500 dispersant on the Ohmsett tank surface will be completed. |
| Progress |
A one-week test series was conducted in June 2007 at Ohmsett - The National
Oil Spill Response Test Facility. "Topped" Oseberg crude oil was pre-mixed
with Corexit 9500 dispersant and placed on the tanks surface for long-term
exposure experiments. Laboratory scale experiments were completed in August
2007. The laboratory data and Ohmsett tank test data are being analyzed and
the draft final report is in preparation.
The Steering Committee has approved the final report. This project is complete. |
| Report | |
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AA: Test #1 Test #2 |
Changes in Dispersant Effectiveness with Extended Exposure in Calm Seas – Final Report, SL Ross Environmental Research Ltd., A. Lewis Oil Spill Consultancy, MAR, Inc., 27 pp., December 2007. |
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