Know Your Environment. Protect Your Health.

1,1,1,2-Tetrachloroethane

Dixie Isle Water System

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

 

12

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
2022ND20ND
2023ND20ND

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
2018-12-13Q1851439007ND
2018-12-13Q1851439011ND
2019-08-21Q1957963001ND
2019-08-21Q1957963003ND
2020-05-27Q2020826015ND
2020-05-27Q2020826017ND
2021-06-30Q2117165005ND
2021-06-30Q2117165008ND
2022-06-29Q2218355002ND
2022-06-29Q2218355004ND
2023-03-01Q2308238008ND
2023-03-01Q2308238010ND