© 



© 



A 



© 



- Sweltzer Cr stock 

 A - Skeena R. stock 



L__0 



© 



© 



0.1 0.2 0.3 



TETRACHLOROCATECHOL CONCENTRATION PPM 



26 



FIGURE 3 - Respiration rate (rate of oxygen utilization) 

 of pink salmon alevins in tetrachlorocatechol relative 

 to controls. Sweltzer Creek and Skeena River stocks, 

 hatchery incubation. 



