WA State Dept of Ecology 9/18/2023

Site Description This section provides Ecology's understanding and interpretation of Site conditions, and is the basis for the opinions expressed in the body of the letter. Site: The Site is defined as releases of the following in Everett, Snohomish County, Washington (Figure 1, Figure 2): • Arsenic, lead, and cadmium into the Soil. The Site is located at 145 and 149 Alverson Boulevard and 413 Rockefeller Avenue, and consists of the following three Snohomish County tax parcels: • 29050800200300 (145 Alverson Boulevard) • 29050800300100 (149 Alverson Boulevard) • 00438610400600 (413 Rockefeller Avenue) The Haack Parcels (the Property; Figure 3) are located on the west side of the Site at 413 Rockefeller Avenue (parcel 00438610400600). According to MTCA,the Site is defined as all areas where contamination has come to be located. Area and Property Description: The Site is located in a mixed recreational and residential area in Everett. The Property is bounded to the south and east by LMGC,to the north by single family residences and 4th Street, and to the west by Rockefeller Avenue.The Property is currently developed with six single-family homes, which are designated as Lot 1 through Lot 6 from south to north (Figure 3). The use of surrounding properties includes the following: • Single-family residences are located to the north and west. • A golf course is located to the east and south. Property History and Current Use: Legion Memorial Park was first developed in 1933. The Property was a part of Legion Memorial Park by 1950,which included the current extent of LMGC east of Rockefeller Avenue. The Property remained as a part of Legion Memorial Park and subsequently LMGC until 2019 when it was rezoned for residential use.The Property is currently developed with six single-family residences.