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EWG's Tap Water Database — 2021 UPDATE

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1,1,1-Trichloroethane

Vinton

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.

 

25

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND60ND
2015ND80ND
2016ND10ND
2017ND20ND
2018ND70ND
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
2014-01-161401F12-01AND
2014-07-021407333-03A-VND
2014-07-021407333-01A-VND
2014-07-021407333-02A-VND
2014-07-071407616-01A-VND
2014-09-251409U42-01A-VND
2015-01-2100281-REI CONSULND
2015-01-2100281-REI CONSULND
2015-01-2100281-REI CONSULND
2015-01-2100281-REI CONSULND
2015-01-2100281-REI CONSULND
2015-01-2100281-REI CONSULND
2015-01-2100281-REI CONSULND
2015-07-1600281-REI CONSULND
2016-07-0716070847-01AND
2017-01-1117011141-01AND
2017-10-1117101551-01AND
2018-01-2618012938-01AND
2018-01-2618012938-02AND
2018-01-2618012938-03AND
2018-01-2618012938-04AND
2018-01-2618012938-05AND
2018-01-2618012938-06AND
2018-01-2618012938-07AND
2019-06-2519063195-01AND