Know Your Environment. Protect Your Health.

1,1,1,2-Tetrachloroethane

Lakehaven Utility District

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

 

22

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND40ND
2019ND100ND
2020N/A00N/A
2021ND60ND
2022ND20ND
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
2018-05-15ND
2018-06-19ND
2018-07-10ND
2018-07-10ND
2019-06-05ND
2019-06-05ND
2019-06-12ND
2019-06-12ND
2019-07-23ND
2019-07-31ND
2019-08-27ND
2019-09-03ND
2019-09-04ND
2019-10-30ND
2021-05-254122783ND
2021-05-254122783ND
2021-05-254122783ND
2021-07-134149400ND
2021-07-134149400ND
2021-09-144178936ND
2022-01-254234480ND
2022-01-254248102ND