Question
In a result of monitoring the quality of water bodies, it was detected that there was 126 g/L of substance X pollution and 170 g/L
In a result of monitoring the quality of water bodies, it was detected that there was 126 g/L of substance X pollution and 170 g/L of Y contaminants.
a. Water bodies are also used for fish cultivation. If the uptake constants of substances X and Y respectively are 325 L/kg.day and 89 L/kg.day, and the elimination of X and Y is 0.3 per day and 0.05 per day, respectively. The metabolic constants of substances X and Y are 0.005 per day and 0.001 per day. While the other constants for the two substances are the same, namely the uptake rate of food is 0.01961 per day; excreta excretion rate 0.00228 per day; and a growth rate of 0.0024 per day. Fish food contains substances X and Y of 25 g/kg and 12 g/kg, respectively. Calculate the content of substances X and Y in the fish under these conditions.
b. What conclusions do you draw on the condition of the contamination of substances X and Y? The maximum allowable chemical content in fish is 100 mg/kg. Is there a possibility that these conditions can harm ecosystems and human health? Give your review and reasons.
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