March 2013: 30-day Public Comment period for Riverside Agreed Order Amendment #2. The City is to conduct an Interim Action at Riverside, consisting of pumping and treating contaminated (solvent-impacted) groundwater. See Ecology website for more information.
February 2013: 30-day Public Comment period for the Ultra Custom Care Cleaners Agreed Order completed. City has entered into a new agreement with Ecology to investigate and clean up this former dry-cleaner site. See Ecology website for more information.
Spring 2013: the King County Brownfields Program (KCBP) again assisted the City with investigation of the solvent plume just up-gradient of the Riverside MTCA site. In summer 2011, KCBP conducted environmental assessment work consisting of drilling activities and field investigations on several properties located south of the City Hall block.
Contaminated soil cleanup work on the Crossroads sites: The second round of cleanup (under existing SR 522 highway) will be conducted after traffic is shifted to the newly realigned roadway in August 2013 (Crossroads Phase III). The first cleanup phase was conducted in summer 2010.
Building demolition and soil cleanup: This work at the former NSD Transportation Facility was conducted in fall 2010.