Table 7. Summary of Mytilus edulis mussel larvae toxicity test results (mean values ± standard 

 deviation 3 ). 



Site Sample Number of Percent Relative Percent 



Number Larvae* 5 Survival Normal 



a r, = 



n=5 replicates per station. 



b Numbers of larvae enumerated at the end of the test, which are used to determine relative 

 survival and percent abnormal larvae. 



c Survival is calculated relative to the numbers of survivors in the seawater control (=161), which 

 is assigned a value of 100% survival. 



33 



