Know Your Environment. Protect Your Health.

trans-1,2-Dichloroethylene

Mountain View Trailer Park

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.

 

17

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND20ND
2019ND20ND
2020ND20ND
2021ND20ND
2022ND50ND
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
2018-04-0418040775-02AND
2018-04-0418040775-03AND
2019-04-0919D0536-04ND
2019-04-0919D0536-02ND
2020-04-0720D0342-08ND
2020-04-0720D0342-04ND
2021-05-2021E1098-01ND
2021-06-2221F1301-01ND
2022-04-2722D1552-01ND
2022-06-0222F0177-01ND
2022-09-2122I1232-02ND
2022-09-2922I1465-01ND
2022-12-0722L0571-01ND
2023-03-1423C0976-01ND
2023-06-1323F0798-02ND
2023-09-1823I1038-01ND
2023-12-1223L0810-01-1ND