General Information

Event name: GB-13-011
Nature of the harmful event:
Seafood toxins
Event directly affected:
Toxicity detected: No
Associated syndrome: AZP
Unexplained toxicity: No
Species implicated in toxin transmission (transvector):
Report the outcome of a monitoring programme: Yes (Food Standards Scotland Monitoring Programme)
Event occurred before in this location: No
Individuals to contact: BRESNAN, Eileen , Davidson, Keith

Location & Date

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Location: Latitude: , Longitude:
General location information: Argyll and Bute, West Scotland
HAB Area code(s): GB-16 GB-17
Additional location information: These events were in two locations - Seil Point near Oban and Loch A Chumhainn on Mull
Bloom event dates (yyyy/mm/dd): Event Date:2013-01-24
Start: 2013-01-24, End: 2013-04-08
Quarantine levels dates (yyyy/mm/dd):
Additional date-related information: AZAsdetected since Oct 2012 below reg limit


Causative organism known: No
Causative Species/Genus:
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 Comments
Additional Environmental information:

Toxin Assay Information

Species containing the toxin Toxin type Toxin details Max. concentration Assay type
Crassostrea edulis Azaspiracids AZA1 eq 237 ug/kg LC-MS
Kit used: Type of kit used:
Additional information:
Economic losses:
Management decision: Azas started accumulating in Dec 2012 but only exceeded reg limits in Jan 2013 - sustained for a number of weeks at reg threshold.
Additional harmful effect information: see Dhani-Rapkova et al., 2019. Harmful Algae, 87, 101629
Created at 07:46 on 16 Dec 2019