Know Your Environment. Protect Your Health.

trans-1,2-Dichloroethylene

Ardmore Water System

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.

 

30

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND40ND
2019ND60ND
2020ND40ND
2021ND40ND
2022ND80ND
2023ND40ND

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
2018-01-23180123034-1ND
2018-04-12180412042-1ND
2018-08-1618080527-001ND
2018-10-1718100516-001ND
2019-01-2419010620-001AND
2019-01-2419010620-002AND
2019-03-1219030331-001ND
2019-05-2920105746001ND
2019-07-3020114807001ND
2019-10-2920128012001ND
2020-02-2820144376001-1ND
2020-06-1620158950001ND
2020-08-1320167221001ND
2020-10-2920177729001ND
2021-03-0435616404001ND
2021-06-1635640935001ND
2021-09-1735664186001ND
2021-11-2335679859001_IVOCND
2022-02-2835700052001_IVOCND
2022-02-2835700053001_IVOCND
2022-02-2835700053002_IVOCND
2022-05-2335719552001A_IVOCND
2022-05-2335719552001_IVOCND
2022-08-1235738848001A_IVOCND
2022-08-1235738848001_IVOCND
2022-11-2835762249001_IVOCND
2023-02-2735782140001_IVOCND
2023-05-0435797074001_IVOCND
2023-08-1835821732001_IVOCND
2023-10-2035836005001_IVOCND