Know Your Environment. Protect Your Health.

1,1,1,2-Tetrachloroethane

Solano Irrigation District - Pleasant Hills Ranch

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

 

9

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND50ND
2019ND20ND
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
2018-03-13CA4810025_001_001-201803130825ND
2018-03-13CA4810025_003_003-201803130855ND
2018-05-10CA4810025_004_004-201805101015ND
2018-08-23CA4810025_004_004-201808230920ND
2018-11-15CA4810025_004_004-201811151120ND
2019-03-11CA4810025_001_001-201903111000ND
2019-03-11CA4810025_003_003-201903110810ND
2020-03-10CA4810025_001_001-202003101005ND
2020-03-10CA4810025_003_003-202003101130ND