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EWG's Tap Water Database — 2021 UPDATE

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1,1,2,2-Tetrachloroethane

Stillwater

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.

 

23

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013N/A00N/A
2014ND10ND
2015ND70ND
2016ND80ND
2017N/A00N/A
2018ND70ND
2019N/A00N/A

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
2014-11-0614K0292-01ND
2015-02-2515B1195-01ND
2015-02-2515B1195-02ND
2015-02-2515B1195-03ND
2015-02-2515B1195-04ND
2015-02-2515B1197-01ND
2015-02-2515B1197-02ND
2015-02-2515B1197-03ND
2016-04-063426179ND
2016-04-063426231ND
2016-04-063426220ND
2016-04-063426170ND
2016-04-063426143ND
2016-04-063426108ND
2016-07-123491724ND
2016-07-123491777ND
2018-10-2918J1468-01ND
2018-10-2918J1468-02ND
2018-10-2918J1468-03ND
2018-10-2918J1469-01ND
2018-10-2918J1469-02ND
2018-10-2918J1469-03ND
2018-10-2918J1469-04ND