General Information

Event name: US-01-002
Nature of the harmful event:
Seafood toxins
Event directly affected:
Toxicity detected: Yes (Approximate range: 60 g STXeq / 100 g)
Associated syndrome: PSP
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: OSTASZ, Michael J.

Location & Date

[View larger map]
Location: Latitude: 57.866667, Longitude: -134.966667
General location information: Chichagof Island., Chathman Strait near Tenakee Springs, Alaska.
HAB Area code(s): US-25
Additional location information: Iyoukeen peninsula on Chichagof Island.
Bloom event dates (yyyy/mm/dd): Event Date:2001-05-24
Quarantine levels dates (yyyy/mm/dd):
Additional date-related information: Hospitalized 25/05/01.


Causative organism known: No
Causative Species/Genus: Alexandrium sp. ( 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 Comments
Additional Environmental information:

Toxin Assay Information

Species containing the toxin Toxin type Toxin details Max. concentration Assay type
Saxidomus giganteus Saxitoxins STX eq 60 Bioassay-Mouse
Kit used: No Type of kit used:
Additional information:
Economic losses:
Management decision: Cautionary press release was issued by ADEC.
Additional harmful effect information: Fifteen minutes after consumption, one person experienced tingling and numbess in the lips, tongue. Though this toxin level is less than the 80 microgram standard, and given the clinical symptoms and the fact that the toxin was detected, this will counte