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| Dataset region | Max occur. (%) | N sample |
|---|---|---|
| Alert, Queen Elizabeth Islands, Canadian Arctic Archipelago (ALERT) | 8.24 | 14 |
| Mould Bay, Prince Patrick Island, Canadian Arctic Archipelago (MB) | 6.29 | 11 |
| Lena River, Russia (LEN) | 2.51 | 5 |
| Southampton Island, Nunavut, Canada (SI) | 1.55 | 42 |
| Yukon and Tuktoyaktuk Peninsula, Northwest Territories, Canada (YUK) | 0.65 | 1 |
| Isachsen, Ellef Ringnes Island, Canadian High Arctic (ISACH) | 0.38 | 2 |
| Abisko, Sweden (ABK) | 0.25 | 2 |
| Parameter (unit) | Average | Maximum | Minimum | N sample |
|---|---|---|---|---|
| Ag (ug/L) | 1.36 | 3.00 | 0.00 | 28 |
| Al (ug/L) | 128.60 | 950.00 | 10.00 | 28 |
| As (ug/L) | 0.01 | 0.01 | 0.01 | 1 |
| B (ug/L) | 1.90 | 1.90 | 1.90 | 1 |
| Ba (ug/L) | 6.26 | 15.40 | 1.60 | 28 |
| Be (ug/L) | 0.19 | 0.20 | 0.00 | 28 |
| Bi (ug/L) | 0.00 | 0.00 | 0.00 | 1 |
| Ca (mg/L) | 27.76 | 67.50 | 1.50 | 28 |
| Ca (meq/L) | 0.13 | 0.13 | 0.12 | 2 |
| Cd (ug/L) | 0.96 | 1.00 | 0.00 | 28 |
| CHLa-C (ug/L) | 0.10 | 0.10 | 0.10 | 2 |
| CHLa-U (ug/L) | 1.00 | 1.30 | 0.70 | 2 |
| Cl (mg/L) | 11.54 | 46.40 | 0.60 | 28 |
| Cl (meq/L) | 0.05 | 0.05 | 0.04 | 2 |
| Co (ug/L) | 1.00 | 2.00 | 0.01 | 28 |
| COND (uS/cm) | 150.17 | 420.00 | 0.08 | 30 |
| Cr (ug/L) | 1.07 | 2.00 | 0.09 | 28 |
| Cu (ug/L) | 5.46 | 13.00 | 0.75 | 28 |
| DIC (mg/L) | 20.02 | 45.90 | 1.80 | 28 |
| DO (mg/L) | 14.20 | 14.20 | 14.20 | 1 |
| DOC (mg/L) | 4.62 | 8.20 | 0.80 | 30 |
| Fe (ug/L) | 381.51 | 3070.00 | 15.00 | 28 |
| Ga (ug/L) | 0.00 | 0.00 | 0.00 | 1 |
| K (mg/L) | 0.54 | 2.40 | 0.20 | 28 |
| K (meq/L) | 0.01 | 0.01 | 0.01 | 2 |
| La (ug/L) | 0.36 | 0.36 | 0.36 | 1 |
| Li (ug/L) | 2.23 | 5.00 | 0.30 | 28 |
| Mg (mg/L) | 6.34 | 19.50 | 1.00 | 28 |
| Mg (meq/L) | 0.04 | 0.05 | 0.03 | 2 |
| Mn (ug/L) | 7.10 | 38.10 | 0.99 | 28 |
| Mo (ug/L) | 1.04 | 2.00 | 0.09 | 28 |
| Na (mg/L) | 5.93 | 24.60 | 0.40 | 28 |
| Na (meq/L) | 0.06 | 0.06 | 0.06 | 2 |
| NH3 (ug/L) | 33.22 | 83.00 | 5.00 | 27 |
| NH3-F (mg/L) | 0.01 | 0.01 | 0.01 | 1 |
| Ni (ug/L) | 2.15 | 4.00 | 1.17 | 28 |
| NO2 (ug/L) | 4.14 | 83.00 | 0.00 | 28 |
| NO2 & NO3-F (mg/L) | 19.29 | 146.00 | 0.04 | 28 |
| Pb (ug/L) | 4.82 | 5.00 | 0.01 | 28 |
| pH | 8.00 | 8.90 | 6.80 | 30 |
| POC (ug/L) | 496.30 | 2780.00 | 116.00 | 27 |
| PON (ug/L) | 51.59 | 258.00 | 15.00 | 27 |
| Rb (ug/L) | 0.74 | 0.74 | 0.74 | 1 |
| Sb (ug/L) | 0.00 | 0.00 | 0.00 | 1 |
| Se (ug/L) | 0.05 | 0.05 | 0.05 | 1 |
| Si (mg/L) | 1.12 | 1.72 | 0.53 | 2 |
| SiO2 (mg/L) | 1.31 | 4.29 | 0.11 | 28 |
| SO4 (mg/L) | 5.58 | 17.30 | 0.20 | 28 |
| SO4 (meq/L) | 0.04 | 0.04 | 0.04 | 2 |
| Sr (ug/L) | 61.92 | 141.00 | 4.60 | 28 |
| SRP-U (ug/L) | 964.30 | 1500.00 | 0.00 | 28 |
| TEMP (°C) | 8.56 | 15.00 | 0.00 | 30 |
| TKN-U (ug/L) | 429.25 | 717.00 | 0.09 | 28 |
| Tl (ug/L) | 0.00 | 0.00 | 0.00 | 1 |
| TN (ug/L) | 509.33 | 792.00 | 77.00 | 27 |
| TOC (mg/L) | 2.85 | 3.10 | 2.60 | 2 |
| TP-F (ug/L) | 5.26 | 9.10 | 0.00 | 28 |
| TP-U (ug/L) | 8.56 | 16.10 | 0.00 | 28 |
| U (ug/L) | 0.10 | 0.10 | 0.10 | 1 |
| V (ug/L) | 1.11 | 3.00 | 0.08 | 28 |
| Zn (ug/L) | 2.28 | 10.00 | 0.81 | 28 |
