evels of paralytic shellfish poison (PSP) — toxins produced by algae that can kill humans when concentrated in seafood — were relatively low last year in Haines, where extremely high amounts have been recorded in the past, according to a statewide report by the Knik Tribe.
An anemone sample collected at Viking Cove last June had PSP levels of 62.5 micrograms per 100 grams. The U.S. Food and Drug Administration’s limit for human consumption is 80 micrograms…