Process Instrumentation and Electrical (PIE)

Site Background

The Process Instrumentation and Electrical (PIE) site (the site) is located at the northwest corner of 48th Street and Andrews Highway (Highway 385). The site is located in a light commercial / residential area adjacent to the city limits of Odessa, Texas, in Ector County. The existing site is an abandoned plating shop.

Superfund Actions Taken to Date

• February 2007, a hazard ranking system (HRS) document was prepared for the Process Instrumentation and Electrical (PIE) site.
• May 2, 2008, a legal notice was published in the Texas Register (33 TexReg 3675-3676) describing the site and proposing the site for listing on the state Superfund registry. A public meeting to receive citizen comments was scheduled to be held June 5, 2008, at the Odessa College Student Union Building, Community Room.
• June 5, 2008, A public meeting to describe the site and receive citizen comments, was held at the Odessa College Student Building Community Room.
• July 7, 2008, the 'Site Background' section of this Web page was updated based on TCEQ's better understanding of the site. Specifically, the location of the site was corrected from 4817 West 48th Street to the northwest corner of 48th Street and Andrews Highway.
• August 2008, residential wells were sampled in the vicinity of the site.
• December 2008, residential wells in the vicinity of the site were sampled and filter
  systems were serviced.
• February 13, 2009 a legal notice was published in the Texas Register (34 TexReg 1141) of intent to perform a removal action at the site. The removal action will consist of connecting residences whose drinking water wells were previously being filtered by TCEQ due to levels of 1,2-dichloroethane, tetrachloroethene, and/or Chromium above the United States Environmental Protection Agency (EPA) National Primary Drinking Water Regulations Maximum Contaminant Levels (MCL) to a municipal drinking water source.
• February 2009, residential wells in the vicinity of the site were sampled and filter systems were serviced.
• March 2009, ongoing monitoring of a single residential well was sampled in the vicinity of the site.
• May 2009, residential wells in the vicinity of the site were sampled and filter systems were serviced.
• August 2009, residential wells in the vicinity of the site were sampled and filter systems were serviced.
• November 2009, residential wells in the vicinity of the site were sampled and filter systems were serviced.
• February 2010, filter systems on residential wells in the vicinity of the site were serviced.
• May 2010, filter systems on residential wells in the vicinity of the site were serviced.
• March 15, 2011, the Field Sampling Plan has been finalized.
• April 18-20, 2011, water well search around GW-38 were conducted to respond to HB-3030. The property owners were notified.
• April 24-25, 2011, residential water wells were sampled.
• May-June 2011, remedial Investigation began by installing and sampling five monitor wells. An aquifer test designated the groundwater as Class 2.
• June 27, 2011, the site and the monitor wells were surveyed.
• August 15, 2011, the Remedial Investigation Technical Memorandum (RITM) -Phase 1 was submitted by the Contractor.
• June 20-21, 2012, three additional monitor wells MW-6 through MW-8 were installed to delineate the ground water plume and sampled.
• December 2012, all monitor wells were sampled.

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