Document Author: Nuka Research Planning Group LLC

This report, which was prepared for the Prince William Sound Regional Citizens? Advisory Council (PWSRCAC), contains the authors? observations from four days of cold water dispersant testing at the Ohmsett facility in February?March 2006. This report provides an overview of the testing and general observations of the PWS observer team. A companion report, entitled ?Analysis of Oil Spill Dispersant Effectiveness Testing at Ohmsett,? provides a technical analysis of the experimental design and testing protocols.

This paper is a review of dispersant testing at OHMSETT. These tests were designed to measure the effectiveness of dispersant on Alaskan oils at low temperatures. The oil and water temperatures were close to the freezing point.