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. Author manuscript; available in PMC: 2019 Mar 1.
Published in final edited form as: Environ Toxicol Chem. 2017 Dec 29;37(3):871–883. doi: 10.1002/etc.4022

Table 2.

Number of samples with reported fish species and specific conductivity (SC) meeting the acceptance criteria for calculating the hazardous concentration (HC05). The number of sites is presented for each month and ecoregion.

Month
Ecoregion Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Total
67 0 2 89 75 85 383 325 325 97 23 12 3 1,419
68 0 0 0 3 0 4 9 15 6 2 0 0 39
69 1 0 12 51 33 175 231 170 70 60 5 0 808
70 1 0 7 9 29 237 332 250 93 52 0 1 1,011
Total 2 2 108 138 147 799 897 760 266 137 17 4 3,277