Know Your Environment. Protect Your Health.

trans-1,2-Dichloroethylene

Ephrata Area Joint Authority

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.

 

48

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND50ND
2019ND50ND
2020ND90ND
2021ND90ND
2022ND100ND
2023ND100ND

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
2018-01-047020609-01ND
2018-01-058000628-01ND
2018-04-098007939-01ND
2018-07-158020415-01ND
2018-10-018028440-01ND
2019-01-028018023-01ND
2019-01-089000133-01ND
2019-04-027004831-01ND
2019-07-027011943-01ND
2019-10-079035881-01ND
2020-01-0321627536.00ND
2020-04-0622168755.00ND
2020-04-1322168815.00ND
2020-04-1322168814.00ND
2020-07-1322753766.00ND
2020-07-1722753843.00ND
2020-07-2122753844.00ND
2020-10-0723319891.00ND
2020-10-1423319975.00ND
2021-02-1224015885.00ND
2021-02-2624015917.00ND
2021-04-0824201064.00ND
2021-04-1424390931.00ND
2021-07-0124976250.00ND
2021-07-0124976251.00ND
2021-07-1624976362.00ND
2021-10-0525545671.00ND
2021-10-0825545735.00ND
2022-01-0526077519.00ND
2022-01-3126077719.00ND
2022-02-0826247120.00ND
2022-04-0426604675.00ND
2022-04-0526604707.00ND
2022-07-1127188752.00ND
2022-07-1227188829.00ND
2022-07-2227188988.00ND
2022-10-1027782900.00ND
2022-10-2527782956.00ND
2023-01-0928307560.00ND
2023-01-2428307792.00ND
2023-01-2428307814.00ND
2023-04-1428855584.00ND
2023-04-1428855583.00ND
2023-07-1129451551.00ND
2023-07-1829451610.00ND
2023-08-2929654942.00ND
2023-10-3130028782.00ND
2023-10-3130028781.00ND