Know Your Environment. Protect Your Health.

1,1,1,2-Tetrachloroethane

Angelica Village Public Water

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
2018ND50ND
2019ND20ND
2020ND10ND
2021ND10ND
2022ND20ND
20230.500 ppb110.500 ppb

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
2018-01-23EHS1800003815POCND
2018-04-101805085-002ND
2018-04-101805085-001ND
2018-07-121811302-001ND
2018-10-101817655-001ND
2019-01-081900347-001ND
2019-06-05EHS1900029887POCND
2020-07-132010566-001ND
2021-09-232116229-001ND
2022-05-172207014-001ND
2022-07-12EHS2200032672-01PND
2023-05-16EHS2300027426-010.500 ppb