This value stands for the octanol/water partition coefficient.

At some Pow Wows you'll see dances from the tribes in that region. Tribal Council Members.

What is behind these values? Elaine Bousfield, What are the implications of these values for the bioaccumulation potential?“log Kow” is a ratio value without a unit and is normally used in the decadic logarithm (“log” in log Kow).
1907/2006 (The octanol/water partition coefficient can be used to predict how quickly the tested chemical will accumulate in living organisms.