LAWRENCE TODTZ
FARM
IOWA
EPA ID# IAD000606038
SITE DESCRIPTION
The Lawrence Todtz Farm site is located in a predominantly agricultural area of Clinton and
covers slightly over 6 acres. Municipal solid waste and industrial solid and liquid wastes were
disposed of at the site from 1958 to 1975. The E.I. DuPont de Nemours Company's cellophane
plant buried 4,300 tons of liquid waste at the site from 1972 to 1975. The wastes were reported
to include strong acids and bases, plasticizers, resins, alcohols, inorganic salts, paints, and
pigments. The site was closed in 1975 and capped with approximately 2 feet of "red sugar" clay
and topsoil overlay. One hundred people live within 1 mile of the site. Within Vi mile of the site
are 20 farmhouses with private wells for drinking water. Murphy's Lake (formerly Willow Lake)
and Bandixen Lake, located near the site, are used for recreational activities such as fishing and
swimming. Two chemical industrial plants are located within a mile of the landfill. One of these
plant is no longer in operation. Evidence of deer, raccoon, and cattle has been seen on the site
and wild geese were observed on the site and the surrounding lakes.
Site Responsibility:
This site was addressed through Federal and
potentially responsible parties' actions.
EPA Region 7	07/09/2007
City: 1 mile west of Camanche
County: Clinton County
Other Names: DuPont Company Landfill
NPL LISTING HISTORY
Proposed Date:
09/18/85
Final Date:
06/10/86
Deleted Date:


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THREATS AND CONTAMINANTS
Ground water samples from on-site monitoring wells detected heavy metals
including arsenic, barium, and lead; sodium; and volatile organic compounds
(VOCs) including tetrahydrofuran, benzene and toluene from the former waste
disposal activities on the site. Sodium was detected at levels above health
guidelines in ground water samples collected from area residential wells. Wildlife
at and near the site could have been threatened. Contamination of surface water
(on-site ponds and nearby lakes) could have occurred if there had been a release
from the impoundment, because the lakes are hydraulically connected to the
shallow sand and gravel aquifer.
CLEANUP APPROACH
Response Action Status
Entire Site: In November 1988, the EPA signed a Record of Decision which specified the
remedial actions to be implemented at the site. Under the EPA's oversight, the potentially
responsible parties (PRPs) have implemented these actions. The PRPs installed an alternate
water supply that included drilling a new well to supply water to two area residences. This was
completed in the summer of 1989. The PRPs also graded the site area, constructed a 2-foot soil
cover over the impoundment, and installed a ground water monitoring system. These activities
were completed in 1991. Monitoring of the impoundment and municipal landfill will continue to
ensure the long-term effectiveness of the cleanup activities. Further actions, including cleanup of
the impoundment and ground water pumping and treating, will be implemented, if ground water
monitoring detects contaminants exceeding specific action levels.
Site Facts: In November 1990, a Consent Decree between the EPA and the PRPs was entered
in court. Under this Decree, the PRPs agreed to complete the remedial action and
perform long-term cleanup of the site.

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ENVIRONMENTAL PROGRESS	
All construction at the site is complete. The installation of an alternate water source,
the construction of a 2-foot soil cover, and the construction of a ground water monitoring system
with chemical-specific action levels have significantly reduced the potential for exposure to
contaminated soil and ground water at the Lawrence Todtz Farm site. A Five-Year Review was
conducted for this site in September, 1995. The second Five-Year Review was completed in
September, 2000. The third Five-Year Review was completed in September, 2005. One of the
major issues of this Five-Year Review is that arsenic, one of the main contaminants of concern
of the site, has had a change in the maximum contaminant level (MCL) from 50 micrograms per
liter (ug/1) to 10 ug/1. The conclusion of the Five-Year Review is that the remedy remains
protective in the short-term. However, additional evaluation is needed to determine the
protectiveness of the remedy in the long-term.
COMMUNITY INVOLVEMENT	
EPA ensures community members know about and participate in site issues and activities.
Region 7 has assigned an EPA Community Involvement Coordinator to the site to answer
community member/elected official/media questions and concerns; made the community
aware of the Superfund Technical Assistance Grant; conducted community interviews;
implemented a community involvement plan; briefed community members, elected officials
and the media on site activities; held public meetings and/or public availability sessions;
developed/mailed site specific fact sheets; published display ads in local newspapers; and in
some cases facilitated the community in forming community advisory groups. The
community involvement activities have been on-going since the site was proposed to the
NPL.
2/05 - Fact Sheet to announce start of third 5-year review. Display ad in the Clinton Herald.
11/05 - Fact sheet announcing completion of the third Five-Year Review.

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SITE REPOSITORY
Clinton Main Library	Superfund Records Center
306 Eighth Avenue, South	901 N. 5th St.
Clinton, IA 52732	Kansas City, KS 66101
Camanche Public Library	Mail Stop SUPR
102 12th Avenue	(913)551-7166
Camanche, IA 52730
REGIONAL CONTACTS
SITE MANAGER:
E-MAIL ADDRESS:
PHONE NUMBER:
COMMUNITY INVOLVEMENT
COORDINATOR:
PHONE NUMBER:
E-MAIL ADDRESS:
STATE CONTACT:
PHONE NUMBER:
Nancy Swyers
swyers.nancy@epa.gov
(913)551-7703
Beckie Himes
(913)551-7003
himes.beckie@epa.gov
Calvin Lundberg
(515)281-7040
MISCELLANEOUS INFORMATION
STATE:	IA
07X7
CONGRESSIONAL DISTRICT:	01
EPA ORGANIZATION:	SFD-IANE/SUPR
MODIFICATIONS
Created by:	Karla	Created Date:	11/13/97 01:44 PM
Asberry/SUPRFUND/R7/US
EPA/US
Last Modified by: Hattie	Last Modified Date: 07/09/2007 01:01 PM
Thomas/OEP/R7/U SEP A/U
S

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