how many pcb's are enough to kill and orca/killer whale

Subject: how many pcb's are enough to kill and orca/killer whale

Date: Sun May 18 14:36:17 2003
Posted by molly
Grade level: 4-6 School: explorer
City: mukilteo State/Province: wa Country: us
Area of science: Zoology
ID: 1053286577.Zo

Message:


within 10 years under normal circmstances?  I'm trying to figure out if the 
Puget Sound will sustain a healthy orca population

Re: how many pcb's are enough to kill and orca/killer whale

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