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ATSDR Press Room

ATSDR Extends Investigation of Air Emissions In Three Washington County, Ohio and Wood County, West Virginia Locations

Washington County, Marietta, Ohio

Friday, March 09, 2007

As part of the air quality investigation of the Marietta Air Emissions Site in Ohio, the Agency for Toxic Substances and Disease Registry (ATSDR) has added additional air monitoring stations. The Ohio Environmental Protection Agency (EPA) will operate the air monitors and perform the laboratory analyses in the year-long data collection designed to show whether chemical emissions from five facilities in the former Union Carbide industrial complex (Chevron/Phillips, Eramet Marietta, Inc., Eveready, American Municipal Power Ohio, Solvay) may affect human health.

During the week of February 25, 2007, ATSDR began measuring the levels of metals in the air at Harmar Village, in Marietta, Ohio; at Boaz, West Virginia; and at Vienna, West Virginia. The agency selected these new air monitoring locations in populated areas based on two sources of information:

  1. ATSDR predictions of where certain chemicals would move from the facilities based on air dispersion models using weather, terrain, and the amounts of chemicals released into the air; and
  2. Ohio EPA data from two existing rural air monitoring stations.

The facilities provided information to ATSDR about nine chemicals released to the air during 1998-2002 (styrene, toluene, ammonia, chlorobenzene, chloromethane, hydrochloric acid, sulfuric acid, chromium, and manganese). ATSDR air models of these releases indicate that manganese emissions from Eramet Marietta, Inc. were likely to be higher in surrounding communities than ATSDR and United States Environmental Protection Agency (USEPA) health-based guidelines for persons who might regularly inhale these emissions for one year or longer. The ATSDR models predicted that manganese emissions from Eveready did not exceed these federal guidelines

According to data from Ohio EPA’s rural air monitoring stations, manganese exposures are higher for residents who live closer to the former Union Carbide facilities. Levels measured at both rural locations are consistent with air levels predicted by the ATSDR air dispersion models.

The USEPA and the West Virginia Department of Environmental Protection are providing technical assistance for site development, site security, and quality assurance during the investigation. The Ohio Department of Health, the West Virginia Department of Health and Human Resources, and the Washington County, the City of Marietta, and the Mid-Ohio Valley Health Departments are also assisting in the investigation.

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Related PHA & HC For this Press Release

Marietta Area Air Investigation
Document Date: 7/1/2009 - HC  [PDF - 497 KB]

Washington County Air Quality
Document Date: 6/18/2007 - HC  [PDF - 1030 KB]

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Related News Releases For Washington County, Marietta, Ohio


ATSDR Health Consultation Released on Marietta Area Air Investigation; EPA-Funded Health Study Initiated
Release Date: Friday, July 03, 2009
The U.S. Environmental Protection Agency (U.S. EPA) will fund a local health study to evaluate potential health effects from exposure to manganese. The Agency for Toxic Substances and Disease Registry (ATSDR) has recommended this next step after completing a year-long air investigation in the Mid-Ohio Valley. Representatives from ATSDR and EPA will be in the Marietta area in early July to discuss the findings of the air investigation and the plans for the new study.

ATSDR Launches Community Web Site on Marietta Air Investigation as Health Activities Continue
Release Date: Tuesday, February 26, 2008
As their year-long Marietta Air Investigation in the Mid-Ohio Valley enters its final phase, the federal Agency for Toxic Substances and Disease Registry (ATSDR) has launched a Web site for area residents to view updated site information, including air sampling results.

Public Meeting on Washington County Air Quality in Ohio
Release Date: Thursday, May 20, 2004
ATSDR will hold a public meeting May 24, 2004, to update Marietta, Ohio, community members about ATSDR's air modeling and other environmental health activities in Marietta. The meeting will be 6 p.m. - 8 p.m. in the Washington State Community College Graham Auditorium, 710 Colegate Dr., Marietta.

Washington County, Ohio, Public Health Consultation
Release Date: Thursday, February 19, 2004
The final version of a public health consultation on the Washington County Air Quality Site in Marietta, Ohio, has been issued by ATSDR. On the basis of lack of data, the agency categorizes the Washington County site as an indeterminate public health hazard.

ATSDR to Hold Community Meeting and Availability Session Concerning Washington County Air Quality Site in Marietta, Ohio
Release Date: Wednesday, December 03, 2003
ATSDR staff to hold community meeting and question and answer session in Marietta, Ohio regarding air quality issues near the former Union Carbide facility on Route 7 in Washington County, Ohio.

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