Discussion
Battelle-Columbus weighting - scaling checklist methodology for water-resources projects obtains base line data on how many environmental parameters ?
Answer: B
The Battelle-Columbus weighting and scaling checklist for water resources projects collects baseline data on 78 environmental parameters, grouped under ecology, environmental pollution, aesthetics and human interest. Each parameter is given a weight in parameter importance units.
The numbers 40, 68 and 50 are not the number of parameters in the method.
The method assigns each parameter a weight and a quality scale, and the sum of the weighted scores before and after the project shows the net environmental impact.
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