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General Information

Event name: US-94-023
Country: UNITED STATES
Nature of the harmful event:
 Seafood toxins
Event directly affected:
Toxicity detected: Yes (Approximate range: 10 µg/g DA.)
Associated syndrome: ASP
Unexplained toxicity: No
Species implicated in toxin transmission (transvector):
Report the outcome of a monitoring programme: No
Event occurred before in this location: No
Individuals to contact: HORNER, Rita

Location & Date

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Location: Latitude: , Longitude:
General location information: Southern Hood Canal., Washington.
HAB Area code(s): US-24
Additional location information:
Bloom event dates (yyyy/mm/dd):
Quarantine levels dates (yyyy/mm/dd):
Additional date-related information: November-December.

Microalgae

Causative organism known: No
Causative Species/Genus: Pseudo-nitzschia pungens f. multiseries ( cells/L)
Co-Ocurring Species/Genus:
Chlorophyll concentration, if known: µg/l
Additional bloom information:
Event-related bibliography:

Environmental Conditions

Weather: Turbidity (NTU): Wind direction:
Stratified water: No Oxygen content (nL/L): Wind velocity:
Temperature (°C): Oxygen saturation %: Current Direction:
Sechhi disk (m): Salinity: Current Velocity: 0
Nutrient information:
Temperature Range During Event: Max: °C, Min: °C
Salinity Range During Event:
Bloom location in the water column:
Growth:
In situ
Growth Comments Presumably in situ growth.
Additional Environmental information: Not known.

Toxin Assay Information

Species containing the toxin Toxin type Toxin details Max. concentration Assay type
Mussels Domoic Acid DA eq 10 µg/g Bioassay-Mouse
Kit used: No Type of kit used:
Additional information: Domoic acid levels in phytoplankton sampls collected from the area on 29 November 1994 ranged from < 1 to about 15 µg/ml sample (DA analyses by National Marine Fisheries Service, Seattle)
Economic losses:
Management decision: None.
Additional harmful effect information: