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EWG's Tap Water Database — 2019 UPDATE

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trans-1,2-Dichloroethylene

Town of Princess Anne

1,2-Dichloroethylene, a neurotoxic solvent, exists in two different forms: trans-1,2-dichloroethylene and cis-1,2-dichloroethylene. A mixture of the two forms is used to manufacture other solvents and chemical products.

 

23

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012ND80ND
2013ND20ND
2014ND40ND
2015N/A00N/A
2016ND10ND
2017ND80ND

ppb = parts per billion

State and national drinking water standards and health guidelines

EWG Health Guideline 60 ppb

The EWG Health Guideline of 60 ppb for trans-1,2-dichloroethylene was defined by the California Office of Environmental Health Hazard Assessment as a public health goal, the level of a drinking water contaminant that does not pose a significant health risk. This health guideline protects against harm to internal organs.

EPA Maximum Contaminant
Level (MCL) 100 ppb

The legal limit for trans-1,2-dichloroethylene, established in 1991, was based on a toxicity study in laboratory animals conducted in the 1980s.

ppb = parts per billion

All test results

Date Lab ID Result
2012-02-080190002_07_00424ND
2012-02-080190002_08_00424ND
2012-05-170190002_07_00593ND
2012-05-170190002_08_00593ND
2012-07-260190002_08_00312ND
2012-07-260190002_07_00312ND
2012-10-310190002_07_21890ND
2012-10-310190002_08_21890ND
2013-08-140190002_07_00677ND
2013-08-140190002_08_00677ND
2014-07-280190002_07_00408ND
2014-07-280190002_08_00408ND
2014-09-120190002_08_L5251ND
2014-09-120190002_07_L5251ND
2016-03-30E16003664001ND
2017-03-30E17003825004ND
2017-03-30E17003825006ND
2017-04-04L6753780-1ND
2017-04-12L6763074_1VOCND
2017-04-19L6769607-2ND
2017-04-19L67696073ND
2017-04-19L6769607-1ND
2017-06-13L6853722-1ND