Take the following as truth: The dilution water used in the toxicity tests may be natural seawater, hypersaline brine (100 ) prepared from natural seawater, or artificial seawater prepared from commercial sea salts, such as FORTY FATHOMSa or HW MARINEMIXa, if recommended in the method.
Then the following statement: "The dilution water in the toxicity tests has to be freshwater from the lake." is true, false, or inconclusive?