OSWER/OSRTI Washington, DC 20460



## N ATIONAL 

## P RIORITIES 

## L IST 

## (NPL)
***Proposed Site *** September 2015 

### PCE FORMER DRY CLEAN ER Atlantic, Iowa
Cass County

 **Site Location :**  Atl antic, Iowa is a community in no r th ea st er n Ca ss County, a bout 75 mil e s w e st of De s Moin e s, Iowa a nd 45 mil e s

nor th ea st of Counc il B lu ff s, I owa

. The site is lo ca ted on 7th St ree t at the location of a former dry cl ea ning fac ilit y.

 **Site History:**

Th e site is a former dr y cl ea ning fac ility th at op era ted at this lo ca tion during the 1960s. In 1974, the I owa Dep ar tm ent of T ra nsporta tion (I DOT) l ea sed the site as a mat er ia ls te sting labo ra to ry . The former dr y cl ea ning and I DOT labo ra to r y fac ility no longer ex ist at this lo ca tion. Based on the histo ri ca l aer ial photog ra phs of the sit e, the building

was ra zed be tw ee n 1982 and 1994. The are a is now o cc upied by a bank.

 **Site Contamination/Contaminants:**
The ground water plume is compr is e d of chlor in ate d solv e nts, in cluding but not limit e d to: t et rac hloroe th ene ( PC E), trichloroe th ene (TCE) a nd d eg ra dation produc ts

.

 **Potential Impacts on Surrounding Community/Environment :**  The ground water plume exte nds to the munic ip al water supply s y st em th at consists of sev era l we lls th at ar e at ri sk of b ec oming conta min ated b eca use th e y ar e lo ca ted downg ra dient of the ground water plume. Cu rre ntly, nine ac tive munic ip a l wells s er ve the 7,475 c iti zens. One munic ip al we ll has b ee n take n o ff line due to conta min ation. Potential vapor intrusion impacts are under evaluation.

 **Response Activities (to date):**
The c ity of Atl a ntic has disconn ec ted one munic ip al we ll fr om the muni c ip al sy st e m; it is cu rre ntly b eing pumpe d continuously to the c ity wa st ewater t rea tm ent plant to provide hyd ra ulic control and prot ec t the nine other munic ip al we ll s fr om PC E conta min ation. The own er s of the business on the site have inst a ll ed a vapor miti gation sy st em.

 **Need for NPL Listing:**
The state of I ow a initially referred the s it e to the EPA for evaluation under the removal program. T he s it e requir es shortterm and long-term r es pon se ac ti ons and NPL li s ti ng w il l a ll ow fo r a prop er and ti mely inv es tig a ti on of the nat ur e and extent of c on tamina ti on and remedia ti on of the s it e. Oth er feder al and state cl ea nu p pro grams were evaluated, bu t are not viable op ti ons at this ti me

. The EP A rece iv e d a le tt er of suppor t for pl ac ing this site on the NPL fr om the c ity of Atl a ntic a nd the Atl a ntic Munic ip a l Utiliti es. The EPA has worked closely with the state and has received no objection to listing the site on the NPL.

[The description of the site (release) is based on information available at the time the site was evaluated with the HRS. The description may change as additional information is gathered on the sources and extent of contamination. See 56 FR 5600, February 11, 1991, or subsequent FR notices.]

For more information about the hazardous substances identified in this narrative summary, including general information regarding the effects of exposure to these substances on human health, please see the Agency for Toxic Substances and Disease Registry (ATSDR) ToxFAQs. ATSDR ToxFAQs can be found on the Internet at http://www.atsdr.cdc.gov/toxfaqs/index.asp or by telephone at 1

- 888

- 42

- ATSDR or 1

- 888

- 422

- 8737.