21 



00 01 02 0.3 0.4 0.5 06 0.7 0.8 



TETRACHLOROCATECHOL CONCENTRATION PPM 



FIGUriii 2 - Respiration rate (rate of oxygen utilization) 

 of sockeye salmon alevins in tetrachlorocatechol relative 

 to controls. Gultus Lake stock, hatchery and natural 

 incubation. 



