Know Your Environment. Protect Your Health.

trans-1,2-Dichloroethylene

Aqua Pa Uwchlan

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.

 

40

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND60ND
2019ND70ND
2020ND60ND
2021ND60ND
2022ND70ND
2023ND80ND

ppb = parts per billion

State, National, and Health Guidelines for Drinking Water

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
2018-01-29AF74449ND
2018-01-31AF73819ND
2018-02-26AF76934ND
2018-02-26AF76935ND
2018-03-13AF77984ND
2018-03-13AF77985ND
2019-03-06AG10268ND
2019-03-06AG10267ND
2019-03-06AG10266ND
2019-03-12AG10439ND
2019-03-12AG10441ND
2019-03-27AG11746ND
2019-11-07AG37520ND
2020-03-1121837118.00ND
2020-03-1121837202.00ND
2020-03-1121837160.00ND
2020-03-1121837139.00ND
2020-03-2621837181.00ND
2020-05-2122205099.00ND
2021-02-1023880023.00ND
2021-02-1023880065.00ND
2021-02-1023880044.00ND
2021-02-2323880107.00ND
2021-02-2323880086.00ND
2021-07-0924819015.00ND
2022-02-1826109271.00ND
2022-02-1826109359.00ND
2022-02-1826109292.00ND
2022-02-1826109313.00ND
2022-02-1826109338.00ND
2022-08-0327224143.00ND
2022-11-2927814198.00ND
2023-02-1728341082.00ND
2023-02-2728341103.00ND
2023-02-2728341124.00ND
2023-03-2128512453.00ND
2023-03-2128512432.00ND
2023-04-1728692199.00ND
2023-05-0128890019.00ND
2023-08-2929691269.00ND