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In order to address specific matters included in comments on the DEIS, the TNF has requested more specific information pertaining to reasonably foreseeable HAPs emissions and, as applicable, associated potential health effects.
Update of previous analysis of flood flow frequency and volume-duration-frequency values for points of interest on Queen Creek and Devil’s Canyon for the Skunk Camp tailings storage facility (TSF) location alternative.
The objective of this letter is to address WR-23 and describe and quantify (where possible) the embedded and adaptive contingencies incorporated into the Skunk Camp TSF design and to demonstrate the design robustness to the above uncertainties.
Subsidence at the Resolution Copper (RC) project is predicted to occur in a typical slow and gradual process from approximately year 6 when the cave from the underground mining is expected to reach surface.