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EWG's Tap Water Database — 2019 UPDATE

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1,1,1,2-Tetrachloroethane

City of Manteca

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

 

29

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012ND50ND
2013ND50ND
2014ND60ND
2015ND50ND
2016ND40ND
2017ND40ND

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
2012-02-085810-049-1130ND
2012-02-085810-040-1035ND
2012-03-135810-013-1000ND
2012-06-125810-049-0717ND
2012-11-135810-044-1033ND
2013-03-135810-032-0640ND
2013-04-105810-012-0805ND
2013-06-055810-034-0825ND
2013-06-055810-038-0745ND
2013-08-145810-014-0810ND
2014-01-145810-036-0906ND
2014-01-145810-042-1055ND
2014-02-115810-030-0835ND
2014-06-105810-015-0720ND
2014-07-085810-016-0715ND
2014-07-085810-028-0803ND
2015-02-105810-040-0820ND
2015-06-095810-049-0650ND
2015-07-215810-034-0812ND
2015-11-305810-044-1005ND
2015-12-095810-013-0625ND
2016-03-085810-032-0540ND
2016-04-195810-012-0920ND
2016-06-145810-038-0645ND
2016-08-235810-014-0715ND
2017-04-045810-042-0535ND
2017-07-105810-028-0847ND
2017-07-105810-016-0800ND
2017-08-085810-015-0625ND