Know Your Environment. Protect Your Health.

1,1,1,2-Tetrachloroethane

Prairie Grove Water Supply Corporation

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

 

7

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND10ND
2019ND10ND
2020ND20ND
2021ND10ND
2022ND10ND
2023ND10ND

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
2018-04-24Q1816558006ND
2019-02-07Q1905920004ND
2020-02-04Q2004512001ND
2020-05-05Q2017872006ND
2021-02-04Q2103519003ND
2022-01-12Q2201086007ND
2023-07-19Q2328444003ND