Table 3.
Summary of the number of samples analyzed, detections, and minimum, maximum, mean, median, and 97.5 percentile (PCTL) concentrations (mg/kg) of PTX2 in different types of shellfish analyzed in New Zealand over the 2009–2019 period.
| Organism 1 | Sites | No. Samples | Detections | % Detected | Min | Max | Mean | Median | 97.5 PCTL |
|---|---|---|---|---|---|---|---|---|---|
| Green-lipped mussel | 83 | 15947 | 186 | 1.2% | 0.010 | 0.079 | 0.019 | 0.015 | 0.056 |
| Pacific oyster | 22 | 1141 | 40 | 3.5% | 0.010 | 0.027 | 0.015 | 0.015 | 0.026 |
| Clam | 11 | 1042 | 6 | 0.6% | 0.013 | 0.027 | 0.018 | 0.016 | 0.026 |
| Scallop | 20 | 298 | 4 | 1.3% | 0.012 | 0.032 | 0.020 | 0.017 | 0.031 |
| Dredge oyster | 8 | 228 | 1 | 0.4% | 0.043 | 0.043 | 0.043 | 0.043 | 0.043 |
| Surf clam | 6 | 97 | 5 | 5.2% | 0.010 | 0.024 | 0.015 | 0.012 | 0.023 |
| Blue mussel | 12 | 56 | 7 | 12.5% | 0.011 | 0.042 | 0.021 | 0.020 | 0.039 |
| Queen scallop | 2 | 52 | 2 | 3.8% | 0.010 | 0.011 | 0.011 | 0.011 | 0.011 |
| Tuatua | 5 | 28 | 0 | ||||||
| Pipi | 2 | 19 | 0 | ||||||
| Cockle | 3 | 17 | 0 | ||||||
| Oyster | 5 | 9 | 0 | ||||||
| Abalone | 3 | 8 | 0 | ||||||
| Geoduck | 3 | 5 | 0 | ||||||
| Total | 144 | 18947 | 251 | 1.3% | 0.010 | 0.079 | 0.019 | 0.015 | 0.052 |
1 Organism as identified in the LIMS database.