Regional monitoring program notifies shellfish harvesters of an upward trend in concentrations of PSP.
Observation by Bruce Wright: We are seeing rapid increases in Paralytic Shellfish Poisoning (PSP) levels in shellfish samples collected at some of our monitoring sites.
Unalaska:
June 5, 2018 levels were 14.5 µg/100g
July 5, 2018 levels increased to 80 µg/100g
Sand Point:
April 18, 2018 levels were 115 µg/100g
May 16, 2018 levels were 124 µg/100g
June 15, 2018 levels increased to 529 µg/100g.
Click here to learn more about the APIA shellfish monitoring program.