Know Your Environment. Protect Your Health.

1,1,1,2-Tetrachloroethane

City of Alba

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

 

14

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND30ND
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
2018-03-12Q1809883004ND
2018-03-12Q1809883010ND
2018-09-18Q1837028001ND
2019-10-07Q1971344006ND
2019-10-07Q1971344008ND
2020-04-01Q2013273007ND
2020-04-01Q2013273009ND
2021-06-30Q2117218008ND
2021-06-30Q2117218010ND
2021-06-30Q2117218012ND
2022-05-25Q2215156001ND
2022-05-25Q2215156011ND
2023-06-22Q2323976002ND
2023-06-22Q2323976004ND