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United States Region III Region III EPA 903-R-03-002 
Environmental Protection Chesapeake Bay Water Protection April 2003 
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 v ". ... 
April 2003 
f 
