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Puget Soundkeeper Alliance v. Port of Tacoma
The Ninth Circuit reversed in part summary judgment for the operators of a marine cargo terminal on Puget Sound in a CWA citizen suit concerning stormwater discharges. An environmental group argued the operators were liable for discharges from the facility's entire footprint, including an area known...
89 FR 50543
SIP Proposal: Nevada (revisions concerning particulate matter emissions from woodburning devices in Washoe County).
89 FR 50325
EPA announced the availability of acute freshwater aquatic life screening values for 6PPD and its transformation product 6PPD-quinone.
89 FR 50410
EPA established requirements for commercial refrigerating appliances and commercial ice machines, safe use of flammable refrigerants, and safe design, construction, installation, and operation of refrigeration systems; and listed several substitutes as acceptable for retail food refrigeration, commercial ice machines, industrial process refrigeration, cold storage warehouses, and ice skating rinks, pursuant to the Agency's significant new alternatives policy program.
89 FR 50245
SIP Proposal: Arizona (partial approval and partial disapproval of revisions concerning implementation, maintenance, and enforcement of the 2012 fine particulate matter NAAQS).
89 FR 50231
SIP Approval: West Virginia (second 10-year limited maintenance plans for the 2006 24-hour fine particulate matter NAAQS for the Charleston area and the West Virginia portion of the Steubenville-Weirton, Ohio-West Virginia area).