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EWG's Tap Water Database — 2021 UPDATE

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1,1,1-Trichloroethane

Haralson County Water Auth.

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.

 

12

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

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

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
2014-04-01AI36905ND
2014-04-01AI36906ND
2015-03-03AI65932ND
2015-03-03AI65933ND
2016-03-15AJ08223ND
2016-03-15AJ08224ND
2017-06-05AJ56553ND
2017-06-05AJ56554ND
2018-03-28AJ86573ND
2018-03-28AJ86574ND
2019-04-24AK15739ND
2019-04-24AK15740ND