An injection of desulfurizer is needed for the spill . The desulfurizer is strongly oxidizing . China 's major ports have been ordered to complete safety evaluations by the end of the year . Scientists are scrambling to understand the source of oil in the Yellow Sea .
An injection of desulfurizer is needed for the spill . The desulfurizer is strongly oxidizing . Scientists are scrambling to understand the source of oil in the Yellow Sea .