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7th Street and Arizona Avenue | Site Overview

Registry placement date: April 27, 2000

Score: 40

County: Pima

Location: Downtown Tucson, approximately bounded by Speedway Boulevard to the north, Eighth Street and the Union Pacific Railroad to the south, Fourth Avenue to the east and 10th Avenue to the west

If you own a private well, live in or near the site boundaries, and have not had your well tested, please contact ADEQ

Contaminants of concern: Tetrachloroethene (PCE), trichloroethene (TCE) and cis-1,2-dichloroethene (cis-1,2-DCE)

Action Taken: ADEQ operated an early response action soil vapor extraction (SVE) system at the former Oliver’s Cleaners (site source) from June 2006 to July 2009 that removed more than 700 pounds of volatile organic compounds (VOCs).

ADEQ issued the final remedial investigation (RI) and final feasibility study (FS) reports in 2014. In 2015, a former dry-cleaning facility property at 847 N. Stone Ave was added to the site as a second source. SVE was implemented at 847 N. Stone Ave from December 2017 to April 2019, as an early response action for this second source.

Status: The Record of Decision (ROD) for the site was published June 30, 2020, and public notice of the ROD was published July 2, 2020. ADEQ is currently set to restart SVE operations at the Stone Ave source; this is expected to start in the first quarter (Q1) of Fiscal Year 2021 (FY21). Additionally, a Request for Proposals is currently out to design and build a new SVE and Air Sparging System at the Oliver’s Cleaners source. ADEQ expects the new remediation system at the Oliver’s Cleaners source to be operational before Q3 of FY21.

Community Advisory Board (CAB): Established, merged with the Park-Euclid CAB in 2014. A list of CAB members and their contact information is available in the Community Involvement Plan (CIP) | View CIP >