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EWG's Tap Water Database — 2021 UPDATE

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1,1,1-Trichloroethane

City of Florence

1,1,1-Trichloroethane is a solvent and a degreasing agent used for manufacturing metal products and as ingredient in cleaners and aerosols. Exposure to 1,1,1-trichloroethane can harm the nervous system, liver and circulatory system.

 

15

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND20ND
2015ND10ND
2016ND90ND
2017ND10ND
2018ND10ND
2019ND10ND

ppb = parts per billion

State and national drinking water standards and health guidelines

EPA Maximum Contaminant
Level (MCL) 200 ppb

The legal limit for 1,1,1-trichloroethane, established in 1987, was based on toxicity studies conducted in laboratory animals in the 1970s and 1980s.

ppb = parts per billion

All test results

Date Lab ID Result
2014-05-27AD40317ND
2014-05-27AD40319ND
2015-03-17AD53072ND
2016-03-29AD73324ND
2016-03-29AD73326ND
2016-03-29AD73329ND
2016-03-29AD73328ND
2016-03-29AD73331ND
2016-03-29AD73330ND
2016-03-29AD73332ND
2016-05-26AD76536ND
2016-05-26AD76537ND
2017-02-01AD89158ND
2018-01-30AE06829ND
2019-01-15AE24119ND