Know Your Environment. Protect Your Health.

1,1,1,2-Tetrachloroethane

Gafford Chapel Water Supply Corporation

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

 

13

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND20ND
2019ND20ND
2020ND30ND
2021ND20ND
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
2018-04-12Q1815138011ND
2018-04-12Q1815138014ND
2019-05-22Q1927789003ND
2019-05-22Q1927789005ND
2020-02-20Q2006545001ND
2020-03-30Q2012915001ND
2020-05-26Q2020631003ND
2021-10-14Q2128874013ND
2021-10-14Q2128874015ND
2022-07-27Q2221394001ND
2022-10-26Q2232337003ND
2023-07-18Q2327998005ND
2023-07-18Q2327998007ND