Table 1.
Summary of mean PSP toxicities (µg STX eq./kg) calculated for each shellfish type in the four LA regions based upon 57 samples for which all five quantitative methods were used.
| Region | Shellfish | n | MBA | PreCOX | PCOX | LC-MS/MS | RBA |
|---|---|---|---|---|---|---|---|
| Argentina | Clams | 9 | 1020 | 1174 | 959 | 2001 | 1544 |
| Mussels | 11 | 107,912 | 103,352 | 10,899 | 111,426 | 86,292 | |
| Scallops | 4 | 10,427 | 1480 | 3277 | 5064 | 4147 | |
| Snails | 11 | 5622 | 6775 | 4377 | 3719 | 9283 | |
| Chile | Clams | 3 | 40,717 | 2018 | 1933 | 1675 | 1829 |
| Mussels | 8 | 3902 | 1756 | 1039 | 1547 | 2332 | |
| Oysters | 1 | 1070 | 870 | 523 | 859 | 1016 | |
| Scallops | 2 | 339 | 349 | 339 | 145 | 501 | |
| Mexico | Geoduck (w) | 1 | 4120 | 1582 | 1277 | 3680 | 792 |
| Uruguay | Clams | 2 | 2315 | 356 | 259 | 785 | 380 |
| Mussels | 5 | 5536 | 2395 | 1904 | 4743 | 2641 |