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EWG's Tap Water Database — 2021 UPDATE

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1,1,1-Trichloroethane

Aqua Pa Bristol

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.

 

24

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
2014ND50ND
2015ND50ND
2016ND50ND
2017ND40ND
2018ND20ND
2019ND30ND

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
2014-01-10AE20136ND
2014-04-17AE29694ND
2014-04-17AE29704ND
2014-07-25AE41526ND
2014-10-10AE52027ND
2015-01-0912271447ND
2015-02-0612387485ND
2015-04-1712618240ND
2015-07-3112998809ND
2015-10-1613375702ND
2016-01-0613738150ND
2016-01-1513738171ND
2016-04-1514086777ND
2016-07-2114550557ND
2016-10-2615059933ND
2017-01-0615499346ND
2017-04-0715919086ND
2017-08-1816547714ND
2017-09-2116709714ND
2018-02-02AF75113ND
2018-02-22AF76987ND
2019-02-01AG07157ND
2019-03-07AG10696ND
2019-04-12AG14108ND