NRC Committee on Understanding Oil Spill Dispersants: Efficacy and Effects

• Jim Clark, ExxonMobil Research and Engineering
• 47 pages
• March 15, 2004

EXXONMOBIL INVOLVEMENT IN
DISPERSANT DEVELOPMENT
• Industry/World Leader for Over 30 Years
• 10’s of Millions $ Spent Developing New Products
• 1967: First Product Specifically Formulated for the Marine Environment
– COREXIT 7664 (Weak, water-based product which is no longer produced)
• 1972: First “Self-Mix” Concentrate
– COREXIT 9527
– First product to allow aircraft application
• 1992: First Product Effective on Heavy, Weathered, and Emulsified Oils
– COREXIT 9500
• COREXIT Products are the Principal U.S. Dispersants
– 2 of Only 11 Products to Pass the Demanding Effectiveness Approval Test
– Over 6000 Drums in Stockpiles
• Current Supplier is Nalco Energy Chemicals
– Unique Re-supply Capability

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