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EWG's Tap Water Database — 2021 UPDATE

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1,1,1-Trichloroethane

Olivehurst Public UD

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.

 

14

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
2014ND30ND
2015ND30ND
2016ND40ND
2017ND10ND
2018ND10ND
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
2014-03-052236-001-0900ND
2014-10-221233-020-0813ND
2014-11-241233-001-0742ND
2015-01-131233-001-0719ND
2015-04-221610-001-0755ND
2015-10-271610-001-0755ND
2016-01-141610-001-0803ND
2016-01-271610-006-1346ND
2016-02-091610-002-1358ND
2016-02-091610-010-1407ND
2017-01-191610-001-0904ND
2018-01-111610-001-0826ND
2019-01-151610-001-0903ND
2019-11-141610-018-0840ND