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### * 

# 3. 123 

## Mziin 

## Streei White 

## Plains, New 

### York ’10601 

# ’8 9?4 681.6200



# December 8, 

# 1998 

# DJD-98-40

Edward Radle New York State Department of Environmental Conservation SO 

# WolfRoad Albany, New 

# York 12233-3505



# Dear 

# Ed:

Attached are conditional entrainment mortality rates 

# for seven taxa 

# of fish at water intakes on the Hudson River, calculated for the Hudson River DEZS. They were calculated using actual intake flows, the distribution 

# of eggs and iish over 13 

# river regions, and estimated throughplant mortality, except that through-plant mortality was 

# assumed 

# to be 100% 

# for eggs 

# of all taxa and for eggs through juveniles 

# of bay anchovy. 

# I expect that the conditional entrainment mortality rates based on an assumed through-plant mortality rate 

# of 100% 

# for eggs through juveniles 

# of the other taxa will be available 

# in early January 1999.



# Piease let me know 

# if you 

# have any questions.

Aquatic Programs and Permits

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