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EWG's Tap Water Database — 2019 UPDATE

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1,1,1-Trichloroethane

Geneva City

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.

 

7

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012ND10ND
2013ND10ND
2014ND20ND
2015ND10ND
2016ND10ND
2017ND10ND

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
2012-02-09SB43674-11 - VOCND
2013-02-06SB64193-01ND
2014-02-13SB84641-06-POCND
2014-09-11SB96227-POCND
2015-02-04R1500835-005-POCND
2016-02-17R1601398-002-POCND
2017-02-15R17014118-POCND