TD 225 
. C43 
A482 
2010 
Copy 1 
s 
Region III 
Region III 
EPA 903-R-10-00 
L-,,.,.wi„,,w..;al Protection 
Chesapeake Bay 
Water Protection 
CBP/TRS 301-10 
Agency 
Program Office 
Division 
May 2010 
In coordination with the Office of Water/Office of Science and Technology, Washington, D C., and the states of Delaware, 
Maryland, New York, Pennsylvania, Virginia and West Virginia and the District of Columbia 
SLiBRAl 
Oh CONGRESS 
^ 
Ambient Water Quality Criteria 
for Dissolved Oxygen, Water 
Clarity and Chlorophyll a for the 
Chesapeake Bay and Its Tidal 
Tributaries: 2010 Technical 
Support for Criteria Assessment 
Protocols Addendum 
May 2010 
I 
