WA ST Department of Ecology 1/26/2018

Part 2 - DESCRIPTION OF THE SITE continued Area-Wide Soil Contamination. For information about the area-wide soil contamination project, please refer to the following web site: www.ecy.wa.gov/programs/tcp/area wide/area wide hp.html. For information about the Tacoma Smelter Plume (TSP) and the associated Management Plan, please refer to the following web site: www.ecy.wa.gov/programs/tcp/sites/tacoma smelter/ts hp.htm. Is the Site located within an area affected by smelter emissions, such as the TSP area? ❑ Yes ❑ No ❑ Unknown To determine whether your Site is located within the TSP area, please refer to the map on the TSP web site identified above. Is the Site located on a former apple or pear orchard in operation prior to 1947? ❑ Yes ® No ❑ Unknown Is the Site impacted by area-wide arsenic and/or lead soil contamination? n Yes ® No ❑ Unknown G. Nature and Extent of Hazardous Substances Released at the Site. The following questions refer to conditions after the release, but prior to any cleanup, of the hazardous substances at the Site. Hazardous Substances and Affected Media. To the extent known, please identify in the following table the hazardous substances released at the Site and the media (e.g., soil) impacted by those substances. Use the codes at the bottom of the table. AFFECTED MEDIA HAZARDOUS SUBSTANCE GROUND SURFACE SOILWATER WATER SEDIMENT AIR EXAMPLE: Benzene C S N/A N/A B Diesel/Oil Range Hydrocarbons B U Gasoline-range hydrocarbons C U Carcinogenic PAHs C U Arsenic 0 S Chromium B S Lead B S When identifying the affected media in the table above, please use one of the following codes: • C=confirmed, above cleanup level • B=confirmed, below cleanup level • 0=confirmed, not present • S=suspected • N/A=not suspected • U=unknown ECY 020-74(revised May 2013) 8