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EWG's Tap Water Database — 2021 UPDATE

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1,1,1,2-Tetrachloroethane

Montebello Land & Water Company

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

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28

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014N/A00N/A
2015N/A00N/A
2016ND60ND
2017ND70ND
2018ND80ND
2019ND70ND

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
2016-02-249588-007-1020ND
2016-03-119588-001-1015ND
2016-08-259588-003-0845ND
2016-08-259588-008-0835ND
2016-08-259588-005-0820ND
2016-11-229588-004-0850ND
2017-02-219588-001-0900ND
2017-02-219588-007-0925ND
2017-06-149588-009-1025ND
2017-08-309588-003-0905ND
2017-08-309588-005-0915ND
2017-08-309588-008-0850ND
2017-10-139588-004-0855ND
2018-02-169588-001-0900ND
2018-03-299588-007-0845ND
2018-05-299588-007-0915ND
2018-05-299588-009-0930ND
2018-08-159588-005-1130ND
2018-08-159588-008-1150ND
2018-08-159588-003-1200ND
2018-11-149588-004-0900ND
2019-02-219588-005-0850ND
2019-02-219588-007-0915ND
2019-02-219588-003-0830ND
2019-02-219588-008-0835ND
2019-02-219588-009-0930ND
2019-02-289588-001-1015ND
2019-05-029588-004-0815ND