Is there a risk of TCE vapors rising out of the TCE plume from the former ETMCAS base and contaminating homes and businesses over the plume?
No. The United States Environmental Protection Agency (US EPA) has determined that there is no risk of TCE vapors emanating from the TCE plume and contaminating existing homes and businesses located above the plume. The US EPA will continue to evaluate the groundwater data from the Woodbridge area to ensure that the plume does not present a risk for residents in this area. Contact Rich Muza of the US EPA, at (415) 972-3349 or muza.richard@epa.gov for further information. It is incorrect to conclude that TCE vapors could be present in homes overlying the plume simply because TCE vapors have been found in homes in other areas of the United States where TCE is present in groundwater. The following three existing conditions prevent TCE vapors from migrating from the plume to the ground surface: 1) layers of soil, rock and water, as confirmed by technical mapping of the groundwater basin, seal off and restrict the ability of TCE (in liquid or gaseous form) from moving though these layers to
Related Questions
- Hasn’t there been an on-going effort to communicate information about the ETMCAS TCE plume to homeowners and the public in the Woodbridge area and throughout IRWD’s service area?
- Is there a risk of TCE vapors rising out of the TCE plume from the former ETMCAS base and contaminating homes and businesses over the plume?
- Since TCE is "volatile", do IRWD customers risk exposure to TCE vapors while taking a shower?
