Menu

EWG's Tap Water Database — 2019 UPDATE

Donate

1,1,1,2-Tetrachloroethane

Oakwood Water System

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
2012ND20ND
2013ND10ND
2014ND10ND
2015ND10ND
2016ND30ND
2017ND10ND

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
2012-02-29AB82344ND
2012-12-20AC07197ND
2013-01-24AC08703ND
2014-04-15AC50587ND
2015-10-14AD10637ND
2016-01-26AD20078ND
2016-05-23AD37761ND
2016-09-20AD50399ND
2017-09-21AD97395ND