Petersburg Pilot -

By Dan Rudy 

New Wrangell beach site records high PSP toxin readings


April 27, 2017


week Wrangell’s Indian Environmental General Assistance Program office issued an alert regarding potentially dangerous shellfish.

Readings for butter clam samples taken from the south side of Zarembo Island earlier this month came back surprisingly high for saxitoxin, the root cause of paralytic shellfish poisoning (PSP) in humans. The Food and Drug Administration sets a safety threshold for consuming saxitoxin at 80 micrograms (μg) per 100 grams of shellfish. The butter clams sampled at Zarembo came back at 884 μg.

As a contrast, the IGAP office issued alerts at Shoe...

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