Know Your Environment. Protect Your Health.

trans-1,2-Dichloroethylene

Amarillo Mutual Water Company

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.

 

9

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND10ND
2019ND10ND
2020ND20ND
2021ND20ND
2022ND20ND
2023ND10ND

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
2018-11-08CA1910002_001_001-201811080905ND
2019-11-18CA1910002_001_001-201911180945ND
2020-01-21CA1910002_001_001-202001211215ND
2020-10-22CA1910002_001_001-202010221110ND
2021-01-20CA1910002_001_001-202101201000ND
2021-11-17CA1910002_001_001-202111171240ND
2022-07-01CA1910002_001_001-202207010900ND
2022-07-07CA1910002_001_001-202207071256ND
2023-05-25CA1910002_001_001-202305251430ND