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EWG's Tap Water Database — 2019 UPDATE

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trans-1,2-Dichloroethylene

Hastings

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.

 

11

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012ND10ND
2013ND40ND
2014N/A00N/A
2015ND10ND
2016ND50ND
2017N/A00N/A

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
2012-07-2412G2046-02ND
2013-05-3013E2546-01ND
2013-05-3013E2548-01ND
2013-05-3013E2549-02ND
2013-05-3013E2549-03ND
2015-06-0915F0596-03ND
2016-03-223418445ND
2016-03-223418465ND
2016-03-223418503ND
2016-03-223418533ND
2016-03-223418541ND