Menu

EWG's Tap Water Database — 2019 UPDATE

Donate

1,1,1,2-Tetrachloroethane

Brigham City Water System

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

 

17

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012N/A00N/A
2013ND60ND
2014ND10ND
2015ND20ND
2016ND70ND
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 Result
2013-05-29ND
2013-05-29ND
2013-05-29ND
2013-05-29ND
2013-06-26ND
2013-09-04ND
2014-07-10ND
2015-01-27ND
2015-05-07ND
2016-05-04ND
2016-05-04ND
2016-05-18ND
2016-05-18ND
2016-06-09ND
2016-06-09ND
2016-06-09ND
2017-02-23ND