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| Dataset region | Max occur. (%) | N sample |
|---|---|---|
| Taimyr Peninsula, Russia (TAI) | 2.70 | 6 |
| Yukon and Tuktoyaktuk Peninsula, Northwest Territories, Canada (YUK) | 2.12 | 8 |
| Northern Quebec (QUE) | 2.00 | 8 |
| Pechora River, Russia (PEC) | 1.74 | 1 |
| Lena River, Russia (LEN) | 1.58 | 5 |
| Southampton Island, Nunavut, Canada (SI) | 1.18 | 27 |
| Northern Sweden (SWE) | 0.72 | 2 |
| Parameter (unit) | Average | Maximum | Minimum | N sample |
|---|---|---|---|---|
| Ag (ug/L) | 0.01 | 0.01 | 0.01 | 1 |
| Al (ug/L) | 65.10 | 65.10 | 65.10 | 1 |
| ALK (mg/L CaCO3) | 9.79 | 11.04 | 8.54 | 2 |
| ALK (mekv/L) | 0.16 | 0.18 | 0.14 | 2 |
| As (ug/L) | 0.01 | 0.01 | 0.01 | 1 |
| B (ug/L) | 0.70 | 0.70 | 0.70 | 1 |
| Ba (ug/L) | 1.72 | 1.72 | 1.72 | 1 |
| Be (ug/L) | 0.00 | 0.00 | 0.00 | 1 |
| Bi (ug/L) | 0.00 | 0.00 | 0.00 | 1 |
| Ca (mg/L) | 4.86 | 11.30 | 0.00 | 3 |
| Ca (meq/L) | 0.16 | 0.16 | 0.16 | 1 |
| Cd (ug/L) | 0.00 | 0.00 | 0.00 | 1 |
| Cl (mg/L) | 7.28 | 20.50 | 0.00 | 3 |
| Cl (meq/L) | 0.04 | 0.04 | 0.04 | 1 |
| Co (ug/L) | 0.07 | 0.07 | 0.07 | 1 |
| COND (uS/cm) | 1.75 | 3.49 | 0.01 | 2 |
| Cr (ug/L) | 0.20 | 0.20 | 0.20 | 1 |
| Cu (ug/L) | 0.48 | 0.48 | 0.48 | 1 |
| DIC (mg/L) | 1.80 | 1.80 | 1.80 | 1 |
| DO (mg/L) | 13.70 | 13.70 | 13.70 | 1 |
| DOC (mg/L) | 1.10 | 1.10 | 1.10 | 1 |
| Fe (ug/L) | 87.40 | 87.40 | 87.40 | 1 |
| Ga (ug/L) | 0.02 | 0.02 | 0.02 | 1 |
| K (mg/L) | 0.39 | 0.90 | 0.00 | 3 |
| K (meq/L) | 0.02 | 0.02 | 0.02 | 1 |
| La (ug/L) | 0.31 | 0.31 | 0.31 | 1 |
| Li (ug/L) | 0.20 | 0.20 | 0.20 | 1 |
| Mg (mg/L) | 0.36 | 0.57 | 0.00 | 3 |
| Mg (meq/L) | 0.05 | 0.05 | 0.05 | 1 |
| Mn (ug/L) | 2.42 | 2.42 | 2.42 | 1 |
| Mo (ug/L) | 0.01 | 0.01 | 0.01 | 1 |
| Na (meq/L) | 0.06 | 0.06 | 0.06 | 1 |
| Na (mg/L) | 0.73 | 1.31 | 0.00 | 3 |
| NH3-F (mg/L) | 0.01 | 0.01 | 0.01 | 1 |
| Ni (ug/L) | 0.54 | 0.54 | 0.54 | 1 |
| NO2 (ug/L) | 0.00 | 0.00 | 0.00 | 1 |
| NO2 & NO3-F (mg/L) | 0.01 | 0.01 | 0.01 | 1 |
| Pb (ug/L) | 0.04 | 0.04 | 0.04 | 1 |
| pH | 6.45 | 6.60 | 6.34 | 3 |
| Rb (ug/L) | 0.42 | 0.42 | 0.42 | 1 |
| Sb (ug/L) | 0.00 | 0.00 | 0.00 | 1 |
| Se (ug/L) | 0.05 | 0.05 | 0.05 | 1 |
| SiO2 (mg/L) | 7.45 | 7.45 | 7.45 | 1 |
| SO4 (meq/L) | 0.06 | 0.06 | 0.06 | 1 |
| SO4 (mg/L) | 2.01 | 3.07 | 0.00 | 3 |
| Sr (ug/L) | 1.77 | 1.77 | 1.77 | 1 |
| SRP-U (ug/L) | 0.00 | 0.00 | 0.00 | 1 |
| TEMP (°C) | 3.64 | 3.64 | 3.64 | 1 |
| TKN-U (ug/L) | 0.11 | 0.11 | 0.11 | 1 |
| Tl (ug/L) | 0.00 | 0.00 | 0.00 | 1 |
| TN-U (mg/L) | 0.19 | 0.19 | 0.19 | 1 |
| TOC (mg/L) | 0.90 | 0.90 | 0.90 | 1 |
| TP-F (ug/L) | 0.00 | 0.00 | 0.00 | 1 |
| TP-U (ug/L) | 0.00 | 0.00 | 0.00 | 1 |
| U (ug/L) | 0.01 | 0.01 | 0.01 | 1 |
| V (ug/L) | 0.17 | 0.17 | 0.17 | 1 |
| Zn (ug/L) | 0.83 | 0.83 | 0.83 | 1 |
