South Mesa | Site Overview

Registry placement date: Aug. 18, 1998

Score: 26

County: Maricopa

Location: Gilbert, approximately bounded by Baseline Road to the north, Melody Drive to the south, Hobson Street to the east and McQueen Road to the west. However, the contaminant plume is limited to the immediate area of the former Applied Metallics Incorporated facility at the southeast corner of the intersection of Baseline Road and McQueen Road in Gilbert, Ariz.

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

Action taken: Two early response action (ERA) remedial projects at the site have significantly reduced the contamination by treating pumped groundwater and by operating a soil vapor extraction (SVE) system to extract vapors from the soil. 

Status: The remedial investigation (RI), remedial objectives (RO), feasibility study (FS) reports, proposed remedial action plan (PRAP) and record of decision (ROD) have been completed. The remedy is monitored natural attenuation (MNA).

Community Advisory Board (CAB): Established but no longer meets