Know Your Environment. Protect Your Health.

1,1,1,2-Tetrachloroethane

Barton Dade Cedar & Jasper Counties Consolidated Public Water Supply District 1

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

 

15

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018N/A00N/A
2019ND130ND
2020ND20ND
2021N/A00N/A
2022N/A00N/A
2023N/A00N/A

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
2019-05-20AD47669ND
2019-05-20AD47670ND
2019-05-20AD47671ND
2019-05-20AD47672ND
2019-05-20AD47673ND
2019-05-20AD47674ND
2019-05-20AD47675ND
2019-05-20AD47676ND
2019-05-20AD47677ND
2019-07-15AD53004ND
2019-07-15AD53005ND
2019-10-21AD57423ND
2019-10-21AD57424ND
2020-01-20AD60734ND
2020-01-20AD60735ND