Know Your Environment. Protect Your Health.

1,1,1,2-Tetrachloroethane

City of Whitewright

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

 

18

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

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

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 Lab ID Result
2018-03-29Q1813091003ND
2018-03-29Q1813091006ND
2018-03-29Q1813091002ND
2019-09-03Q1961236001ND
2019-09-03Q1961236003ND
2019-09-03Q1961236005ND
2020-10-14Q2040302007ND
2020-10-14Q2040302009ND
2020-10-14Q2040302011ND
2021-09-28Q2126457001ND
2021-09-28Q2126457011ND
2021-09-28Q2126457003ND
2022-06-13Q2216370008ND
2022-06-13Q2216370010ND
2022-10-19Q2231828001ND
2023-07-25Q2329473005ND
2023-07-25Q2329473019ND
2023-07-25Q2329473024ND