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The prices of condominiums in California would also be useful.
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Where does all the water go? According to the
Environmental Protection Agency (EPA), in a
typical wetland environment, 39% of the water is
outflow; 49% is seepage; 7% evaporates; and 5%
remains as water volume in the ecosystem
(Reference: United States Environmental
Protection Agency Case Studies Report 832-R-93-
005). Chloride compounds as residuals from
residential areas are a problem for wetlands.
Suppose that in a particular wetland environment
the following concentrations (mg/1) of chloride
compounds were found: outflow, 70.6; seepage,
74.7; remaining due to evaporation, 75.7; in the
water volume, 36.6.
(a) Compute the weighted average of chlorine
compound concentration (mg/1) for this
ecological system. (Round your answer to one
decimal place.)
mg/I
(b) Suppose the EPA has established an
average chlorine compound concentration
target of no more than 58 mg/1. Does this
wetlands system meet the target standard for
chlorine compound concentration?
Yes. The average chlorine compound concentration (mg/1) is too high.
Yes. The average chlorine compound concentration (mg/1) is lower than the target.

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