United States Region III Region III EPA 903-R-03-002 
Environmental Protection Chesapeake Bay Water Protection October 2004 
Agency Program Office Division 
In coordination with the Office of Water/Office of Science and Technology, Washington, DC 
Ambient Water Quality 
Criteria for Dissolved 
Oxygen, Water Clarity and 
Chlorophyll a for the 
Chesapeake Bay and Its 
Tidal Tributaries 
f \ \ c • 
2004 Addendum 
October 2004 
A 
A 
K ft* 
V 
