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Apr 19, 2021, 2:19 am

PEOPLES NATURAL GAS CERCLIS Site

EPA Identifier: 110024808877
CERCLIS ID: 110024808877
Location:
42.50528, -90.65888

Address:
502 EAST 11TH ST.
DUBUQUE, IA

Create Date: 31-MAY-06
Update Date: 07-FEB-13
Final Date: 19900830


Aerial View Over Time

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Programs: {CERCLIS,ICIS,ID
Program Interests:
FORMAL ENFORCEMENT ACTION, STATE

Site Summary:
Federal Register Notice:  August 30, 1990

Conditions at proposal (June 24, 1988): The Peoples Natural Gas Co. Site covers approximately 15 acres in downtown Dubuque, Dubuque County, Iowa. Key City Gas Co. produced a gaseous fuel at the site from 1937 to 1954. In 1953 and 1954, North Central Public Service Co. acquired all outstanding stock and assets of Key City Gas, including the site. In November 1957, Northern Natural Gas Co., through its Peoples Natural Gas Co., purchased the site from North Central. In October 1964, Peoples conveyed the eastern four-fifths of the site to the City of Dubuque, which uses it as a garage. In January 1985, Peoples conveyed the remainder of the site to the Iowa Department of Transportation (IDOT).

The main wastes associated with coal gasification are polynuclear aromatic hydrocarbons (PAHs), which are found in coal tar, a by-product of the gasification process, and cyanide salts, which are found in iron oxide waste produced during purification of the manufactured gas. Coal tar waste was deposited in underground tanks, and the iron-cyanide waste was buried on-site.

In November 1983, IDOT, which had targeted the site for highway construction, found a layer of tar in soil samples collected at the site. The samples contained cyanide, phenols, and two PAHs -- naphthalene and acenaphthalene. The State and EPA have detected the same contaminants in on-site wells. An estimated 60,000 people obtain drinking water from municipal wells within 3 miles of the site.

The Mississippi River is approximately 500 feet east of the site. Surface water downstream is used for industrial and recreational activities. A wildlife refuge is 2 miles downstream, and wetlands are within 0.5 mile.

Status (August 30, 1990): Under an April 1989 CERCLA Administrative Order on Consent with EPA, Midwest Gas (a successor company of North Central), IDOT, and the City of Dubuque are conducting a remedial investigation/feasibility study (RI/FS) to determine the type and extent of contamination at the site and identify alternatives for remedial action. The RI/FS covers ground water contamination, as well as soil contamination outside the construction corridor of U.S. Highway 61, which consists (roughly) of the western third of the site. The order also calls for Midwest Gas to remove coal tar and contaminated soil in the construction corridor and transport the materials to an off-site incinerator. The removal will permit highway construction to proceed.

Institutional Controls:
Media Where IC Applies
(Multiple entries where more than one pathway is impacted)
Restriction Type Instrument
Soil
Limit Future Land Use
LIMIT FUTURE LAND USE; This site is listed on the Iowa Registry of Hazardous Waste or Hazardous Substance Disposal Sites which is maintained by the Iowa Department of Natural Resources (IDNR) pursuant to Iowa Code sections 455B.426 ff. and Iowa Administrative Code 567 Chapter 148. A statement disclosing the period of waste disposal, the type of hazardous waste or hazardous substances disposed of or found as contaminants at the listed site is filed with the recorder of deeds office in the county where the proproty is located. In addition, certain restrictions on use and transfer are imposed on the listed sites. WRITTEN APPROVAL OF THE IDNR DIRECTOR IS REQUIRED PRIOR TO ANY SUBSTANTIAL CHANGE IN THE USE OF A LISTED SITE. WRITTEN APPROVAL OF THE IDNR DIRECTOR IS REQUIRED TO SELL, CONVEY, OR TRANSFER TITLE OF A LISTED SITE. (Iowa Code Section 455B.430 and Iowa Administrative Code 567-148.6(5).) The individual site record may be accessed through IDNR's contaminated sites database located at http://www.iowadnr.com/land/consites/hwregistry/hwindex.html
 
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Document Issuance, Implementation  August 01, 1989  [6 pages, 394.8Kb   ]
 
Ground Water
Prohibit Ground Water Well Installation/Construction
Pdf p. 31 No disturbance of excavation at a depth of six or more feet may be conducted on the property unless appropriate employee safety and health training procedures have been implemented, and the work is conducted in a manner that does not release or threaten the release of the hazardous substances. Under no circumstances may water supply wells or private wells be drilled on the property without the written approval of the Environmental Protection Agency and the City of Dubuque. There are on file in the offices of the City of Dubuque and the United States Environmental Protection Agency, Region VII,Regional Administrator, 726 Minnesota Avenue, Kansas City, Kansas 66101, in Docket No. VII-89-F-0007, records of the type, quantity and location of the coal gasification plant wastes managed on the property. Any person that proposes to conduct activities on this property which will involve soil disturbance or excavation at a depth of six or more feet, must contact Midwest Gas, telephone number (712) 277-7500, and the Public Works Director, City of Dubuque, Iowa, telephone number (319) 589-4270, for guidance on appropriate employee safety and health training procedures and other guidance.
 
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Document Issuance, Implementation  May 14, 1991  [38 pages, 1,395.6Kb   ]
 
Subsurface Soil
Prohibit Excavation
Pdf p. 31 No disturbance of excavation at a depth of six or more feet may be conducted on the property unless appropriate employee safety and health training procedures have been implemented, and the work is conducted in a manner that does not release or threaten the release of the hazardous substances. Under no circumstances may water supply wells or private wells be drilled on the property without the written approval of the Environmental Protection Agency and the City of Dubuque. There are on file in the offices of the City of Dubuque and the United States Environmental Protection Agency, Region VII,Regional Administrator, 726 Minnesota Avenue, Kansas City, Kansas 66101, in Docket No. VII-89-F-0007, records of the type, quantity and location of the coal gasification plant wastes managed on the property. Any person that proposes to conduct activities on this property which will involve soil disturbance or excavation at a depth of six or more feet, must contact Midwest Gas, telephone number (712) 277-7500, and the Public Works Director, City of Dubuque, Iowa, telephone number (319) 589-4270, for guidance on appropriate employee safety and health training procedures and other guidance.
 
Please Click Here to View Document
Document Issuance, Implementation  May 14, 1991  [38 pages, 1,395.6Kb   ]