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EWG's Tap Water Database — 2021 UPDATE

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1,1,1-Trichloroethane

North Las Vegas Utilities

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.

 

12

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND40ND
2015ND30ND
2016N/A00N/A
2017ND10ND
2018ND40ND
2019N/A00N/A

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
2014-02-1114020153-002ND
2014-06-2514060514-002ND
2014-07-3114070541-002ND
2014-09-1614090267-002ND
2015-06-1515060255-002ND
2015-06-1715060303-002ND
2015-09-0915090133-002ND
2017-10-11S1707252002ND
2018-01-22S1800641002ND
2018-01-22S1800641003ND
2018-09-12S1803646002ND
2018-09-12S1803646003ND