News Posted April 9, 2012 Share Posted April 9, 2012 Nearly a quarter-century has passed since the tenacious zebra mussel larvae were released in the Great Lakes, yet it was just last month that the Coast Guard issued a federal rule that sets an upper limit on the concentration of organisms in ballast water.More... Link to comment Share on other sites More sharing options...
Recommended Posts
Create an account or sign in to comment
You need to be a member in order to leave a comment
Create an account
Sign up for a new account in our community. It's easy!
Register a new accountSign in
Already have an account? Sign in here.
Sign In Now