General Information

Event name: US-95-023
Country: UNITED STATES
Nature of the harmful event:
Seafood toxins
Event directly affected:
Toxicity detected: Yes (Approximate range: 700 µg STXeq / 100 g at the Chimney Rock Station.)
Associated syndrome: PSP
Unexplained toxicity: No
Species implicated in toxin transmission (transvector):
Report the outcome of a monitoring programme: Yes
Event occurred before in this location: Yes (1927, 29, 32, 54, 62-66, 70, 71, 76, 80-84, 86-95.)
Individuals to contact: ROSS, Maria R.

Location & Date

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Location: Latitude: , Longitude:
General location information: Marin County., California.
HAB Area code(s): US-21
Additional location information:
Bloom event dates (yyyy/mm/dd):
Quarantine levels dates (yyyy/mm/dd):
Additional date-related information: April- May, July, Septemeber - December.

Microalgae

Causative organism known: No
Causative Species/Genus:
Co-Ocurring Species/Genus:
Chlorophyll concentration, if known: µg/l
Additional bloom information:
Event-related bibliography: Ref: State of California Department of Shellfish Services. Shellfish Monitoring Program Techinical Reports. 95-02, -05, -07, -09, -15, -17, -19, -22, -25, -27, -30, -32.

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
Kit used: No Type of kit used:
Additional information:
Economic losses:
Management decision:
Additional harmful effect information: Low detectable levels of PSP were recorded for sentinel mussels tissue during April, May, Sep. Thru December (<80 µg). In July, toxin levels increased to 700 µg at the Chimney Rock Station, 420 µg at drakes Estero, 240 µg at Rodeo Beach and 130 µg at Toma
IOC/UNESCO ISSHA
IOC/UNESCO ICES PICES