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General Information

Event name: US-21-008
Country: UNITED STATES
Nature of the harmful event:
 High Phyto concentration , Seafood toxins
Event directly affected:
 Shellfish , Humans
Toxicity detected: Yes (Approximate range: 1.6 ppb)
Associated syndrome: ASP
Unexplained toxicity:
Species implicated in toxin transmission (transvector):
Report the outcome of a monitoring programme: Yes (Virginia Department of Health- Shellfish Safety Marine Biotoxin Control)
Event occurred before in this location: No
Individuals to contact: EGERTON, Todd

Location & Date

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Location: Latitude: , Longitude:
General location information: , Chesapeake Bay and Coastline of Virginia
HAB Area code(s): US-10
Additional location information:
Bloom event dates (yyyy/mm/dd):
Quarantine levels dates (yyyy/mm/dd):
Additional date-related information:

Microalgae

Causative organism known: Yes
Causative Species/Genus: Pseudo-nitzschia spp. (466,000 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: Max: 31, Min: 22
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
Oysters Domoic Acid DA 1.6 ELISA
Kit used: Type of kit used:
Additional information:
Economic losses:
Management decision:
Additional harmful effect information:
Created at 05:27 on 30 Jun 2022