Superfund Information Systems: Site Profile

Superfund Site:

700 SOUTH 1600 EAST PCE PLUME
SALT LAKE CITY, UT

Health & Environment

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What Are the Risks at the Site?

The primary contaminant of concern at the site is tetrachloroethylene (PCE). PCE is a synthetic chemical used in dry cleaning fabrics, for metal-degreasing operations, as a starting material for making other chemicals and may be used in some consumer products. PCE is also known as perchloroethylene, perc, tetrachloroethene, perclene and perchlor. It has a sharp, sweet odor and is a nonflammable, colorless liquid at room temperature.

Exposure to PCE can occur by breathing contaminated air (via vapor intrusion), by drinking contaminated water or it can be absorbed through skin while taking a shower. Results indicate that soil exposure is not a threat to human health or the environment at this time.

Symptoms of exposure to very high concentrations of PCE include dizziness, headaches, sleepiness, confusion, nausea, difficulty in speaking and walking, unconsciousness and death. PCE may reasonably be anticipated to be a human carcinogen per the Department of Health and Human Services (DHHS).

Scientific studies have not determined whether low level, long-term exposure to PCE can cause adverse health effects. The Agency for Toxic Substances and Disease Registry (ATSDR) toxicological profile for PCE finds many studies indicate that the lowest-observed-adverse-effect-level for PCE is 1,700 ppbv, however, a few studies found this level to be at 50 ppbv. Taking available information into account VA, EPA and UDEQ have set the removal action level at a more stringent level of 5.97 ppbv.

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Contaminant Information

View a full list of contaminants of concern for this site.

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Performance Measures

EPA uses performance measures to track environmental results at Superfund sites. If you have any questions or concerns about the measures at this site, please contact the site team members listed under Site Contacts.

Read more about Superfund Remedial Performance Measures.

Performance
Measure
Status at this
Superfund Site
What does this mean?
Human Exposure Under Control Insufficient Data Yes means assessments indicate that across the entire site:
  1. There are currently no unacceptable human exposure pathways; and
  2. EPA has determined the site is under control for human exposure.

No means an unsafe level of contamination has been detected at the site and a reasonable expectation exists that people could be exposed.

Insufficient data means that, due to uncertainty regarding exposures, one cannot draw conclusions as to whether human exposures are controlled, typically because:
  1. Response to the contamination has not begun; or
  2. The response has begun, but it has not yet generated information sufficiently reliable to evaluate whether there are currently any unacceptable human exposure pathways at the site.
Groundwater Migration Under Control Insufficient Data

Yes means EPA reviewed all information on known and reasonably expected groundwater contamination. EPA concluded the migration of contaminated groundwater is stabilized and there is no unacceptable discharge to surface water. EPA will conduct monitoring to confirm that affected groundwater remains in the original area of contamination.

No means EPA has reviewed all information on known and reasonably expected groundwater contamination, and the migration of contaminated groundwater is not stabilized.

Insufficient data means that due to uncertainty regarding contaminated groundwater migration, EPA cannot draw conclusions as to whether the migration of contaminated groundwater is stabilized.

Construction Complete No

Yes means the physical construction of the cleanup is complete for the entire site.

No means either physical construction is not complete or actions are still needed to address contamination.

Sitewide Ready for Anticipated Use No Yes means:
  1. All cleanup goals affecting current and reasonably anticipated future land uses of the entire site have been achieved, so there are no unacceptable risks;
  2. All required land-use restrictions or other controls have been put in place; and
  3. The site has achieved Construction Complete status.

No means that one or more of these three criteria have not been met. However, a site listed as no may still have redevelopment occurring on portions of the site and may be eligible for additional redevelopment.

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