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Valley Pike Volatile Organic Compound (VOC) Site

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  • Riverside, Ohio (Montgomery County)
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Contact Information

EPA Valley Pike VOC site office2049 Harshman Road

Community Involvement Coordinator
Virginia Narsete (narsete.virginia@epa.gov)
312-886-4359 or 800-621-8431, ext. 64359

Federal On-Scene Coordinator
Steven Renninger


(where to view written records)

Dayton Metro Library    
Huber Heights Branch 6160 Chambersburg Rd.
Huber Heights


EPA is investigating a pollution issue called “vapor intrusion” in the Valley Pike neighborhood of Riverside, Ohio. Vapor intrusion occurs when underground pollutants give off dangerous gases that can rise up through the soil and seep into buildings through foundation cracks and holes, causing unsafe indoor air pollution. The EPA removal action is scheduled to begin in December 2013.

EPA is working with Ohio Department of Health, Ohio EPA, and Public Health – Dayton and Montgomery counties. In its preliminary sampling, EPA and the other agencies conducted several tests and found some elevated levels of chemical vapors. EPA now wants to do more sampling to check the extent of the contamination.

EPA and Ohio EPA conducted a Vapor Intrusion investigation in July 2013 including groundwater, soil gas, sub-slab and indoor air sampling.  On May 9, 2013, the Ohio EPA requested assistance from EPA at the Valley Pike VOC Site in Riverside, Ohio. Ohio EPA noted potential hazards posed to nearby residences and businesses from subsurface migration of solvent vapors into indoor air. Chemicals of concern include PCE and TCE. 

Site Updates | Fact Sheets

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Site Updates

June 2014

EPA sampled over 180 homes and installed 40 vapor intrusions systems in area homes to date.

Over 70 homes to date are eligible to receive a vapor intrusion system and appointments are being made for the system installations. The time involved to install a mitigation system is 1-3 days.

Over 110 properties sampled to date do not require a mitigation system.

Nearly 100 additional homes are eligible for sampling, but the owners have not yet signed access agreements. Many of the homes are rentals.

The sampling has extended to Forest Home Ave., Prince Albert Blvd., Broadmead Ave., and Warrendale Ave. areas.

U.S. EPA is still sampling at no cost homes that may have vapor intrusion seeping in their crawl spaces or basements. Residents are encouraged to stop by the EPA office at 2049 Harshman Road to sign a permission or access agreement for this free service.

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