Power plant entrainment simulation utilizing a condenser tube simulator. Annual report, December 1977-November 1978. [Entrainment effects on larvae of striped bass, lobsters, and shrimp]

Technical Report · Sun Jul 01 04:00:00 EDT 1979

OSTI ID:5759065

O'Connor, J M; Poje, G V

Striped bass, Gammarus, and Neomysis from the Hudson River estuary were subjected to passage through a condenser tube simulator at various combinations of temperatures, flow rate, and biocide concentration. Striped bass yolk sac stages were more susceptible to all stressors than older larval fish. The youngest larvae exhibited 50% mortality immediately after 10 min exposures to temperatures above 31/sup 0/C; for older larvae this was observed at temperatures above 33/sup 0/C. Flow rates above 2 meters per second through the condenser tube resulted in an initial 3% mortality of yolk sac larvae, while 16 day old larvae displayed no initial mortality at flow rates as high as 3.0 mps At biocide concentrations greater than 1.0 parts per million of residual chlorine, more than half the yolk sac larvae died immediately after a 10 min exposure. At chlorine doses as high as 2.7 ppM, 31 day old fish survived at a rate of at least 70%; among certain groups, 100% survival was observed. However, latent survival of these fish was reduced to 0% at a dose of 1.57 ppM. For mixed populations of G. tigrinus and G. daiberi, thermal doses above 39/sup 0/C for both 10 and 30 min exposures were lethal. When Neomysis americana was subjected for 10 and 30 min to temperatures above 34/sup 0/C, 24 h mortalities were greater than 50%. Flow rates of 1.0, 2.0, and 3.0 mps had no detectable effect upon either Gammarus or Neomysis. Ten minute exposures to residual chlorine concentrations above 1.4 ppM resulted in greater than 50% latent mortality for the amphipod. Neomysis americana displayed latent mortality as high as 90% after a 10 min exposure to residual chlorine doses as low as 0.75 ppM. Larval fish and macroinvertebrates exposed to condenser tube passage had lower survival than those which were only plume entrained. In experiments where flow rate and biocide concentrations varied, the addition of a sublethal thermal exposure increased the mortality.

• Research Organization: New York Univ., NY (USA). Medical Center
• OSTI ID: 5759065
• Report Number(s): NUREG/CR-0894
• Country of Publication: United States
• Language: English

Related Subjects

560114* -- Radiation Effects on Biochemicals-- In Animals-- (-1987)
63 RADIATION, THERMAL, AND OTHER ENVIRON. POLLUTANT EFFECTS ON LIVING ORGS. AND BIOL. MAT.
ANALOG SYSTEMS
ANIMALS
ANTIFOULANTS
AQUATIC ORGANISMS
ARTHROPODS
AUXILIARY SYSTEMS
AUXILIARY WATER SYSTEMS
BIOLOGICAL EFFECTS
BODY TEMPERATURE
CHLORINE
CONDENSER COOLING SYSTEMS
COOLING SYSTEMS
CRUSTACEANS
DATA
DATA FORMS
ELEMENTS
ENTRAINMENT
ENVIRONMENTAL EFFECTS
EXPERIMENTAL DATA
FISHES
FLOW RATE
FUNCTIONAL MODELS
HALOGENS
HYPERTHERMIA
INFORMATION
INVERTEBRATES
ISOLATED VALUES
LARVAE
LOBSTERS
MEDIUM TEMPERATURE
MORTALITY
NONMETALS
NUMERICAL DATA
POWER PLANTS
SHRIMP
SIMULATORS
STRIPED BASS
SURVIVAL TIME
SYNERGISM
TEMPERATURE EFFECTS
THERMAL POWER PLANTS
TOXICITY
VERTEBRATES