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EWG's Tap Water Database — 2021 UPDATE

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1,1,2,2-Tetrachloroethane

Parkers Chapel

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.

 

26

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND40ND
2015ND40ND
2016ND70ND
2017ND50ND
2018ND30ND
2019ND30ND

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
2014-01-1514016012002ND
2014-04-2914121002602ND
2014-11-1214317002702ND
2014-12-0114338005802ND
2015-03-1015071003502ND
2015-06-2415176001502ND
2015-10-1415289009602ND
2015-10-1415289009802ND
2016-01-1216015007802ND
2016-04-1116105005002ND
2016-04-1116105005202ND
2016-07-1316196014202ND
2016-10-1216287000208ND
2016-10-1216287000308ND
2016-10-2516301003209ND
2017-02-1417046004902ND
2017-04-2517117000902ND
2017-04-2517117001102ND
2017-10-1117285000302ND
2017-10-1117285000202ND
2018-04-3018123005202ND
2018-04-3018123005102ND
2018-10-1018284000402ND
2019-05-1319136000702ND
2019-05-1319136000902ND
2019-10-2919303000608ND