Know Your Environment. Protect Your Health.

1,1,1,2-Tetrachloroethane

Brookeland Fresh Water Supply District

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

 

13

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
2021ND30ND
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
2018-12-10Q1850387012ND
2018-12-10Q1850387013ND
2019-07-10Q1943726006ND
2019-07-10Q1943726008ND
2020-04-07Q2014006001ND
2020-04-07Q2014006003ND
2021-09-01Q2123830006ND
2021-09-01Q2123830008ND
2021-12-01Q2133437001ND
2022-02-07Q2203973003ND
2022-08-16Q2224005001ND
2023-06-26Q2324301001ND
2023-06-26Q2324301003ND