General Information

Event name: US-99-007
Country: UNITED STATES
Nature of the harmful event:
Seafood toxins
Event directly affected:
Humans
Toxicity detected: Yes (Approximate range: 1,491 µg STXeq / 100 g.)
Associated syndrome: PSP
Unexplained toxicity: No
Species implicated in toxin transmission (transvector): Mussels.
Report the outcome of a monitoring programme: No
Event occurred before in this location: Yes (Yes, general area has had episodes.)
Individuals to contact: OSTASZ, Michael J.

Location & Date

[View larger map]
Location: Latitude: 58.575000, Longitude: -135.158056
General location information: Harvest., Alaska.
HAB Area code(s): US-25
Additional location information: St. James Bay, 2 miles wide + NW of Juneau.
Bloom event dates (yyyy/mm/dd): Event Date:1999-06-30
Start: 1999-06-30, End: 1999-07-01
Quarantine levels dates (yyyy/mm/dd):
Additional date-related information: Initial date =Harvest. Final date = Consumption.

Microalgae

Causative organism known: No
Causative Species/Genus:
Co-Ocurring Species/Genus:
Chlorophyll concentration, if known: µg/l
Additional bloom information:
Event-related bibliography: N/A

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:
Growth Comments
Additional Environmental information:

Toxin Assay Information

Species containing the toxin Toxin type Toxin details Max. concentration Assay type
Mussels Saxitoxins 1491 Bioassay-Mouse
Kit used: Type of kit used:
Additional information: Toxin: Suspect PSP
Economic losses: N/A
Management decision: Press release 7/2/99.
Additional harmful effect information: Associated syndrom: Numbness and tingling after 2 hours. 2 people ill who ate 1-2 dozen mussels; after 2 hrs. Became symptomatic.
Updated at 07:16 on 2 Nov 2020
IOC/UNESCO ISSHA
IOC/UNESCO ICES PICES