Know Your Environment. Protect Your Health.

trans-1,2-Dichloroethylene

City of Chandler

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.

 

29

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND50ND
2019ND50ND
2020ND40ND
2021ND50ND
2022ND50ND
2023ND50ND

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
2018-05-31Q1821776006ND
2018-05-31Q1821776002ND
2018-10-15Q1840931002ND
2018-10-15Q1840931004ND
2018-10-15Q1840931006ND
2019-03-19Q1911348006ND
2019-03-19Q1911348009ND
2019-03-19Q1911348011ND
2019-03-19Q1911348012ND
2019-09-11Q1963871003ND
2020-03-24Q2012436007ND
2020-03-24Q2012436009ND
2020-03-24Q2012436011ND
2020-06-23Q2025085009ND
2021-05-04Q2111316005ND
2021-05-04Q2111316011ND
2021-05-04Q2111316009ND
2021-05-04Q2111316007ND
2021-12-15Q2135508002ND
2022-03-31Q2210090007ND
2022-03-31Q2210090009ND
2022-03-31Q2210090011ND
2022-03-31Q2210090013ND
2022-03-31Q2210090015ND
2023-01-12Q2301951016ND
2023-01-12Q2301951018ND
2023-01-12Q2301951020ND
2023-10-02Q2342088004ND
2023-10-02Q2342088006ND