Know Your Environment. Protect Your Health.

1,1,1,2-Tetrachloroethane

Estates At Highland Ridge

1,1,1,2-Tetrachloroethane is a synthetic chemical used in metal degreasing and as an intermediate in industrial chemical production.

 

38

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND60ND
2019ND60ND
2020ND60ND
2021ND60ND
2022ND60ND
2023ND80ND

ppb = parts per billion

State, National, and Health Guidelines for Drinking Water

EWG Health Guideline: 1 ppb

The EWG Health Guideline of 1 ppb for 1,1,1,2-tetrachloroethane was defined by the Environmental Protection Agency as a one-in-a-million lifetime risk of cancer. Values greater than one-in-a-million cancer risk level can result in increased cancer cases above one in a million people.

ppb = parts per billion

All test results

Date Result
2018-05-22ND
2018-05-22ND
2018-05-22ND
2018-05-22ND
2018-05-22ND
2018-10-10ND
2019-05-21ND
2019-05-21ND
2019-05-21ND
2019-05-21ND
2019-05-21ND
2019-12-23ND
2020-05-14ND
2020-05-14ND
2020-05-14ND
2020-05-14ND
2020-05-14ND
2020-12-14ND
2021-04-26ND
2021-04-26ND
2021-04-26ND
2021-04-26ND
2021-04-26ND
2021-12-28ND
2022-06-21ND
2022-06-21ND
2022-06-21ND
2022-06-21ND
2022-06-21ND
2022-12-21ND
2023-06-26ND
2023-06-26ND
2023-06-26ND
2023-06-26ND
2023-06-26ND
2023-10-23ND
2023-12-12ND
2023-12-13ND