Know Your Environment. Protect Your Health.

1,1,1,2-Tetrachloroethane

City of Blythe

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

 

10

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
2019ND40ND
2020ND10ND
2021N/A00N/A
2022ND40ND
2023ND10ND

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
2019-11-20CA3310003_031_031-201911201400ND
2019-11-20CA3310003_030_030-201911201315ND
2019-11-20CA3310003_015_015-201911201300ND
2019-12-17CA3310003_010_010-201912171330ND
2020-12-28CA3310003_006_006-202012280600ND
2022-11-02CA3310003_030_030-202211020700ND
2022-11-02CA3310003_031_031-202211020730ND
2022-12-12CA3310003_006_006-202212120800ND
2022-12-21CA3310003_010_010-202212210930ND
2023-12-19CA3310003_015_015-202312190700ND