Know Your Environment. Protect Your Health.

1,1,2,2-Tetrachloroethane

El Oso Water Supply Corporation

1,1,2,2-Tetrachloroethane is an industrial chemical which has been used as a metal degreaser, and in paint, paint removers, mothballs and pesticides. It damages the liver and nervous system, and may cause cancer.

 

15

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND20ND
2019ND20ND
2020ND40ND
2021ND20ND
2022ND20ND
2023ND30ND

ppb = parts per billion

State, National, and Health Guidelines for Drinking Water

EWG Health Guideline: 0.1 ppb

The EWG Health Guideline of 0.1 ppb for 1,1,2,2-tetrachloroethane 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 cancer.

ppb = parts per billion

All test results

Date Lab ID Result
2018-01-24AE10200ND
2018-01-24AE10234ND
2019-02-19AE54844ND
2019-02-19AE54850ND
2020-06-09AF14659ND
2020-06-09AF14661ND
2020-09-11AF27359ND
2020-11-13AF34597ND
2021-01-26AF41115ND
2021-01-26AF41117ND
2022-03-10AF88679ND
2022-03-10AF88683ND
2023-02-16AG29365ND
2023-02-16AG29367ND
2023-03-29AG34750ND