General Information

Event name: US-15-016
Country: UNITED STATES
Nature of the harmful event:
Seafood toxins
Event directly affected:
Shellfish
Toxicity detected: Yes (Approximate range: Maximum levels of PSP toxin: 86-880 g. Maximum levels of DSP toxin: 157 g.)
Associated syndrome: DSP , PSP
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 (SP closures have occurred throughout Central Puget Sound previously. The first DSP closure in Central Puget Sound was in 2012.)
Individuals to contact: BORCHERT, Jerry , KUKLOK, Audrey

Location & Date

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Location: Latitude: , Longitude:
General location information: Washington State, Central Puget Sound, Pacific Northwest
HAB Area code(s): US-24
Additional location information: PSP closure was 7/29/15 to 11/4/15. The DSP closure was 7/15/15 to 12/9/15.
Bloom event dates (yyyy/mm/dd):
Quarantine levels dates (yyyy/mm/dd): First detection: 2015-07-15, End: 2015-12-09
Additional date-related information:

Microalgae

Causative organism known: Yes
Causative Species/Genus: Alexandrium catenella ( cells/L)
Dinophysis 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
blue mussels Okadaic Acid 157g LC-MS
geoduck clams Saxitoxins 521 g Bioassay-Mouse
butter clams Saxitoxins 207g Bioassay-Mouse
Blue Mussels Saxitoxins 880g Bioassay-Mouse
Kit used: No Type of kit used:
Additional information:
Economic losses:
Management decision:
Additional harmful effect information:
Created at 08:46 on 7 Feb 2017
Updated at 08:53 on 7 Feb 2017
IOC/UNESCO ISSHA
IOC/UNESCO ICES PICES