General Information

Event name: US-88-011
Nature of the harmful event:
Event directly affected:
Toxicity detected: No
Associated syndrome: PSP
Unexplained toxicity:
Species implicated in toxin transmission (transvector):
Report the outcome of a monitoring programme: No
Event occurred before in this location: Yes (General area is affected per epidemiological outbreaks in the past)
Individuals to contact: OSTASZ, Michael J.

Location & Date

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Location: Latitude: 56.366667, Longitude: -158.000000
General location information: Alaska Peninsula, 16 miles ENE of Chignik. Chignik Bay,
HAB Area code(s): US-01
Additional location information:
Bloom event dates (yyyy/mm/dd): Event Date:88-06-15
Quarantine levels dates (yyyy/mm/dd):
Additional date-related information:


Causative organism known: No
Causative Species/Genus:
Co-Ocurring Species/Genus:
Chlorophyll concentration, if known: µg/l
Additional bloom information: No species identification was performed. Symptons, sample results and diagnoses all consistent with PSP
Event-related bibliography:

Environmental Conditions

Weather: Turbidity (NTU): Wind direction:
Stratified water: Oxygen content (nL/L): Wind velocity:
Temperature (°C): Oxygen saturation %: Current Direction:
Sechhi disk (m): Salinity: Current Velocity:
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
Kit used: Type of kit used:
Additional information:
Economic losses:
Management decision: Affected area in a non certified (classified) area. Not an approved commercial shellfish area.
Additional harmful effect information: Paralytic Shellfish Poisoning. Consumption of butter clam, mussels and cockels. Three people hospitalized and transferred from Dillingham to Providence Hospital inn Anchorage, AK. Samples collected on 6/28/88 showed cockels - 367.2 g/100 g, littleneck cl