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EWG's Tap Water Database — 2021 UPDATE

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1,1,2,2-Tetrachloroethane

City of Florence

1,1,2,2-Tetrachloroethane is an industrial chemical which has been used as a metal degreaser, and in paint, paint removers, mothballs and pesticides. It damages the liver and nervous system, and may cause cancer.

 

19

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND10ND
2015ND20ND
2016ND20ND
2017ND50ND
2018ND30ND
2019ND60ND

ppb = parts per billion

State and national drinking water standards and health guidelines

EWG Health Guideline 0.1 ppb

The EWG Health Guideline of 0.1 ppb for 1,1,2,2-tetrachloroethane was defined by the California Office of Environmental Health Hazard Assessment as a public health goal, the level of a drinking water contaminant that does not pose a significant health risk. This health guideline protects against cancer.

ppb = parts per billion

All test results

Date Lab ID Result
2014-05-14AC54178ND
2015-08-21AD04920ND
2015-08-21AD04922ND
2016-09-14AD49502ND
2016-11-03AD56512ND
2017-02-14AD70640ND
2017-04-17AD79790ND
2017-04-17AD79792ND
2017-05-25AD85742ND
2017-08-24AD94160ND
2018-04-17AE22783ND
2018-04-17AE22785ND
2018-04-17AE22777ND
2019-01-30AE52248ND
2019-01-30AE52250ND
2019-04-29AE63955ND
2019-06-11AE70071ND
2019-09-10AE82735ND
2019-11-26AE90599ND