Menu

EWG's Tap Water Database — 2021 UPDATE

Donate

1,1,1,2-Tetrachloroethane

Bella Vista

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

 

8

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014N/A00N/A
2015ND40ND
2016ND10ND
2017ND10ND
2018ND10ND
2019ND10ND

ppb = parts per billion

State and national drinking water standards and health guidelines

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
2015-02-24AC81679ND
2015-06-18AC96494ND
2015-09-09AD06195ND
2015-10-08AD10034ND
2016-06-23AD41668ND
2017-05-11AD83989ND
2018-07-24AE34341ND
2019-09-11AE83029ND