![](https://gulfwatchalaska.org/wp-content/uploads/2020/02/image4-1.png)
SHELLFISH TISSUE TOXICITY FOR SAXITOXIN (PARALYTIC SHELLFISH POISONING [PSP] TOXIN) FROM 2016-2019 FOR SAMPLES TAKEN AROUND KACHEMAK BAY. NOTE LOGARITHMIC SCALE FOR THE Y-AXIS. CAUTIONARY REGULATORY LIMIT FOR PSP TOXIN LEVELS FOR HUMAN SHELLFISH CONSUMPTION (80 ΜG TOXIN/100G TISSUE) IS SHOWN AS A RED DASHED LINE.