Know Your Environment. Protect Your Health.

1,1,1,2-Tetrachloroethane

Windsong Subdivision

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
2018ND10ND
2019ND10ND
2020ND10ND
2021ND10ND
2022ND30ND
2023ND50ND

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
2018-03-22AE19647ND
2019-11-18AE89579ND
2020-12-17AF38046ND
2021-10-26AF74720ND
2022-07-07AG03676ND
2022-07-07AG03678ND
2022-12-21Q2300008001ND
2023-02-23AG30286ND
2023-02-23AG30288ND
2023-04-26AG38217ND
2023-07-24AG49828ND
2023-12-22AG67348ND