Table 3.
Summary of mean PSP toxicities (µg STX eq/kg) calculated for each shellfish type in the four LA regions based upon 115 samples for which four quantitative methods were used.
| Region | Shellfish | n | MBA | PreCOX | PCOX | LC-MS/MS |
|---|---|---|---|---|---|---|
| Argentina | Clams | 10 | 1020 | 1174 | 959 | 2001 |
| Mussels | 34 | 62,878 | 53,633 | 11,240 | 59,801 | |
| Scallops | 9 | 13,508 | 4516 | 3912 | 7816 | |
| Snails | 23 | 5993 | 5591 | 4506 | 3586 | |
| Chile | Clams | 5 | 24,692 | 1343 | 1204 | 1271 |
| Mussels | 19 | 4981 | 2275 | 1886 | 2071 | |
| Oysters | 1 | 1070 | 870 | 523 | 859 | |
| Scallops | 3 | 336 | 414 | 439 | 143 | |
| Mexico | Geoduck (w) | 1 | 4120 | 1582 | 1277 | 3680 |
| Uruguay | Clams | 3 | 1810 | 307 | 200 | 679 |
| Mussels | 7 | 6667 | 5663 | 7284 | 9223 |