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EWG's Tap Water Database — 2019 UPDATE

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1,1,1-Trichloroethane

890 Boston Turnpike

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.

 

10

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012N/A00N/A
2013N/A00N/A
2014N/A00N/A
2015ND30ND
2016ND20ND
2017ND50ND

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
2015-06-26BJ37424VOC1ND
2015-11-10BK21302VOC1ND
2015-12-15BK39260VOC1ND
2016-01-26BK57435VOC1ND
2016-04-19BN15788VOC1ND
2017-01-11BX20168VOC1ND
2017-03-09BX83047VOC1ND
2017-04-21BY07899VOC1ND
2017-08-24BY90765VOC1ND
2017-10-06BZ17327VOC1ND