Know Your Environment. Protect Your Health.

1,1,1,2-Tetrachloroethane

Seville Water Company

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
2018N/A00N/A
2019N/A00N/A
2020ND20ND
2021ND20ND
2022ND10ND
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
2020-08-19CA5400550_001_001-202008191245ND
2020-08-19CA5400550_003_003-202008191250ND
2021-07-14CA5400550_003_003-202107141310ND
2021-08-23CA5400550_003_003-202108231505ND
2022-08-09CA5400550_003_003-202208091410ND
2023-08-14CA5400550_001_001-202308141010ND
2023-08-14CA5400550_003_003-202308141020ND