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. 2023 Sep 4;9(9):e19457. doi: 10.1016/j.heliyon.2023.e19457

Table 1.

Acceptable range of ETP water [29].

Parameters Range
pH 5.5–9
Electric Conductivity (EC) <1800
Dissolve Oxygen (DO) 4.5–8
Chemical Oxygen Demand (COD) <250
Biological Oxygen Demand (BOD) <120
Total Dissolve Solids (TDS) <1900