Here:
Native Village of Point Hope Opening Brief
NANA Regional Corporation Answer Brief
Native Village of Point Hope Reply Brief
Oral argument audio here.
EPA’s statement of the issue:
Whether EPA’s approval of Alaska’s site-specific water quality criterion for total dissolved solids (“TDS”) in the Main Stem of Red Dog Creek during Arctic grayling spawning season was arbitrary or capricious where EPA based its approval on a comprehensive review of existing scientific evidence and, consistent with a recent study’s recommendation, an additional study into the impacts of TDS exposure on fertilization success in Arctic grayling.