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a. What ammonia levels are considered normal in an estuarine system? What types of toxic effects...

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Chemistry

a. What ammonia levels are considered normal in an estuarinesystem? What types of toxic effects can it cause? At whatconcentration levels?

b. What effects do fluoride ions have on finfish? At whatconcentrations?

Answer & Explanation Solved by verified expert
4.0 Ratings (790 Votes)
A In general the ammonia toxicity 96 h LC50 to marine species eg 009335 mg l1 NH3 appears to be roughly similar to freshwater species eg 006820 mg l1 NH3 Ammonia toxicity is related to differences between species and pH rather than to the comparatively minor influences of salinity and temperature In the marine environment the toxicity of ionized ammonia should be considered The water quality standard for freshwater salmonids of 21 g l1 NH3N was considered to be protective for most marine    See Answer
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