General Information

Event name: US-21-036
Country: UNITED STATES
Nature of the harmful event:
Seafood toxins
Event directly affected:
Shellfish , Humans
Toxicity detected: No
Associated syndrome: ASP
Unexplained toxicity: No
Species implicated in toxin transmission (transvector):
Report the outcome of a monitoring programme: Yes (Marine Biotoxin Program at the Washington State Department of Health, Office of Environmental and Health and Safety.)
Event occurred before in this location: Yes
Individuals to contact: BORCHERT, Jerry

Location & Date

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Location: Latitude: , Longitude:
General location information: Coastal Beaches and Bays,
HAB Area code(s): US-23
Additional location information:
Bloom event dates (yyyy/mm/dd): Start: 2021-06-01, End: 2021-12-01
Quarantine levels dates (yyyy/mm/dd):
Additional date-related information:

Microalgae

Causative organism known: No
Causative Species/Genus: Pseudo-nitzschia spp. ( 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: 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:
Growth Comments
Additional Environmental information:

Toxin Assay Information

Species containing the toxin Toxin type Toxin details Max. concentration Assay type
Dungeness Crab Domoic Acid 81 ppm LC
Razor Clams Domoic Acid 57 ppm LC
Kit used: Type of kit used:
Additional information:
Economic losses:
Management decision:
Additional harmful effect information:
Created at 07:57 on 14 Jul 2022
Updated at 07:58 on 14 Jul 2022
IOC/UNESCO ISSHA
IOC/UNESCO ICES PICES