TABLE 26c

TRITIUM ACCUMULATION IN AQUATIC ORGANISMS -- PART III
TRITIUM UPTAKE FOR FISHES GROWN IN LABORATORY
AQUARIA OR IN OUTDOOR MESOCOSM POOLS

Exposure Conditions Specific Activity Ratio

Species

Medium Days in HTO 3 H in food Commercial Food
Carassius auratus
(goldfish)
Salmo gairdneri p;            Dead eggs 5
(rainbow bsp;            Dead fry
p;            Fish
Salmo trutta forma fario    Adult
(brown ;            Adult
Gambusia affinis ;            Young
;            Young
;            Young
;            Adult
;            Adult
;            Adult
;            Adult
Ictalurus lacustris            Dead eggs
(channel ;            Small fish
Aquarium
Pool
Aquaria
Aquaria
Aquaria
Aquaria
Aquaria
Aquaria
Pool
Pool
Aquaria
Aquaria
Pool
Pool
Aquaria
Aquaria
32
173-214
1
32
140
5    
10
21
11
39
60
203
58
93
3
133
0.13-0.25
0.15 4
 
 
 
0.16 4
 
0.36
0.56
 
0.52
0.63
0.88
 
0.27
0.39
0.42
0.15 4
0.15 4
0.42
 
0.37
 
 
 
 
0.51
0.41
Notes:     (1) Locations: Berkeley, California; Las Vegas, Nevada; Brussels, Belgium.
    (2) Exposure times: 10-30 days in Belgium, up to 203 days in the United States.
    (3) Tritiated food in tests in Belgium; commercial food in tests in Belgium and the United States.
    (4) Data reported for muscle tissue; data without footnote are for whole animal.
    (5) Fertilized eggs for Salmo gairdneri placed in tritiated water when received.
    (6) Specific activity ratio is the activity in dry tissue divided by that in the water medium.
    (7) All tissue data are on a dry weight basis.
    (8) Reference: adapted from Kirchmann et al (1979), Table III, notes and text.

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