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EWG's Tap Water Database — 2021 UPDATE

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1,1,1-Trichloroethane

Ashland Water Department

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.

 

8

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013N/A00N/A
2014ND20ND
2015ND10ND
2016ND10ND
2017ND10ND
2018ND20ND
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
2014-02-05140210601A-VND
2014-06-26140688801B-VND
2015-03-25150384501A-VND
2016-03-02160309001B-VND
2017-02-07170221401A-VND
2018-02-07180226401B-VND
2018-07-05180716901C-VND
2019-06-191906082301-VND