Know Your Environment. Protect Your Health.

1,1,2,2-Tetrachloroethane

Watchtower Bible Tract Society

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.

 

18

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND10ND
2019ND20ND
2020ND10ND
2021ND60ND
2022ND10ND
2023ND70ND

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
2018-07-31420-140368-1POCSND
2019-08-08420-158308-1POCSND
2019-08-08420-158308-4POCSND
2020-07-21420-202527-5POCSND
2021-07-21420-202527-11POCSND
2021-07-21420-202527-9POCSND
2021-07-21420-202527-1POCSND
2021-07-21420-202527-13POCSND
2021-07-21420-202527-7POCSND
2021-07-21420-202527-3POCSND
2022-11-21L2265663POCSND
2023-06-28L2337410-06POCSND
2023-06-28L2337410-07POCSND
2023-06-28L2337410-05POCSND
2023-06-29L2337410-04POCSND
2023-06-29L2337410-03POCSND
2023-06-29L2337410-01POCSND
2023-06-29L2337410-02POCSND