Site Status

The following DEP release tracking numbers (RTNs) have been assigned by the DEP for the release of oil and/or hazardous materials (OHM) at the site:

• RTN 1-12430 � Chemical Release - Concentrations of extractable petroleum hydrocarbons (EPH) and polycyclic aromatic hydrocarbons (PAH) were detected above applicable Reportable Concentrations (RCs) Category S-2 standards in a closure soil sample collected after a lubricating oil release. In addition, two other releases are being tracked under this RTN:
   
  1. RTN 1-12501 � Former releases of #2 fuel/diesel from an underground storage tank (UST); and
  2. RTN 1-13006 � Greater than �-inch of free product detected in monitoring well EPG-6.
   
  Additionally, dissolved chlorinated volatile organic compounds (CVOCs) were detected at concentrations below applicable MCP Method 1 GW-3 cleanup standards in 2002. These contaminants extend hydraulically downgradient into a Potential Drinking Water Source Area where the applicable MCP Method 1 cleanup standard is GW-1. A soil gas survey performed in 2003 indicated that a potential source of CVOCs was present approximately 50 feet south of well MW-8. Although no RTN has been assigned specific to the presence of CVOCs in groundwater, DEP has requested they be investigated under RTN 1-12430. Recently, a �Notice of Audit Findings and Notice of Noncompliance� (NON) dated 6 October 2009 was issued by the DEP which required action within 60 days of the date of the NON, including:
  • a Remedy Operation Status (ROS) termination statement pursuant to 310 CMR 40.0892(6);
  • a Tier Classification Submittal in accordance with 310 CMR 40.0510; and
  • a Phase II Scope of Work (SOW), subject to DEP review, to assess the source, nature and extent of the chlorinated solvent release in accordance with the MCP.

  These items were submitted to DEP on 4 December 2009 and the Phase II SOW was conditionally accepted by DEP on 6 January 2009.

• RTN 1-15823 � 750-gallon Release - Release of 750 gallons of fuel during from a train during an incident on 13 July 2005. Concentrations of extractable petroleum hydrocarbons (EPH) and polycyclic aromatic hydrocarbons (PAH) were detected above applicable Reportable Concentrations (RCs) Category S-2 standards. Investigations are ongoing. In accordance with the June 2009 ACO, a Phase III Remedial Action Plan was submitted for this RTN on 9 October 2009 and the selected remedy (excavation) will be implemented in Spring 2010.
• RTN 1-16603 - Lake Asphalt - Puddles of liquid asphalt were found under several large fuel tanks at the property adjacent to the East Deerfield Rail yard. Concentrations of certain contaminants were detected above applicable Reportable Concentrations (RCs) Category S-2 standards. Immediate Response Actions were conducted to abate the potential release condition posed by the ASTs. The ASTs were subsequently removed, including asbestos-containing material found on some of the ASTs. The ASTs and asbestos-containing material were transported off site for proper disposal at a licensed facility. Following removal of the ASTs, Pan Am excavated impacted soils and transported the soil off site for recycling. Based on soil and groundwater data collected at the Lake Asphalt site following remediation, concentrations of site contaminants were reduced to below the MCP standards and a RAO was submitted in October 2009. No additional remediation is proposed for this site and this RTN is closed.
• RTN 1-17029 � 500-gallon Release - Release of 250 to 500 gallons of fuel during from a fuel tank during an incident on 7 June 2008. Concentrations of extractable petroleum hydrocarbons (EPH) and polycyclic aromatic hydrocarbons (PAH) were detected above applicable Reportable Concentrations (RCs) Category S-2 standards. Investigations are ongoing. A revised Phase I Site Investigation Report was submitted on 27 October 2009. A Phase II Comprehensive Site Assessment is due in June 2010.
• RTN 1-17125 � 100K AST - A routine inspection of an above ground storage tank (AST) revealed that the tank was leaking. Concentrations of extractable petroleum hydrocarbons (EPH) and polycyclic aromatic hydrocarbons (PAH) were detected above applicable Reportable Concentrations (RCs) Category S-2 standards. Investigations are ongoing. Additional monitoring wells and soil borings are proposed in this area once the current AST is decommissioned. Decommissioning of the AST is contingent upon completion of the new tank farm under construction in winter 2010.
• RTN 1-17334 � Hump Release - Release of approximately 10 gallons of lubricating oil from a pump mechanism on 15 January 2009. Snow contaminated with lubricating oil was scraped from the railroad ballast and contained by crews onsite. Subsequent investigation found no residual affects of release and this RTN is closed.
• RTN 1-17354 � HCl Release - Release of hydrochloric acid from a train on 11 February 2009. Soda ash was placed on affected area. Subsequent soil samples showed pH within normal range. A Response Action Outcome (RAO) was subsequently submitted and the RTN is closed.
• RTN 1-17432 - Switch Release - Release of 20 gallons of fuel from a train during transfer of the locomotive between tracks on 29 April 2009. The release occurred at each of three adjacent switch locations. Investigations are ongoing.
• RTN 1-17480 - 21 June 2009 Release - Release of 20 to 40 gallons of fuel during from a train during an incident on 21 June 2009. Following excavation of impacted soils, residual concentrations of petroleum compounds were below the MCP standards; therefore, the RTN was closed.
• RTN 1-17519 - 22 July 2009 Release - Release of approximately 40 gallons of hydraulic oil on 22 July 2009. Impacted soil was excavated and a Response Action Outcome (RAO) was subsequently submitted. This RTN is closed.

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