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EWG's Tap Water Database — 2021 UPDATE

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1,1,1-Trichloroethane

Kalispell Public Works

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.

 

16

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND80ND
2015N/A00N/A
2016N/A00N/A
2017ND80ND
2018N/A00N/A
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
2014-01-17B14011309-001DND
2014-01-17B14011310-001DND
2014-01-17B14011314-001DND
2014-01-17B14011317-001DND
2014-01-17B14011318-001DND
2014-01-17B14011320-001DND
2014-01-17B14011321-001DND
2014-01-17B14011323-001DND
2017-01-25B17011609-001CND
2017-01-25B17011609-002CND
2017-01-25B17011609-003CND
2017-01-25B17011609-004CND
2017-01-25B17011609-005CND
2017-01-25B17011609-006CND
2017-01-25B17011609-007CND
2017-01-25B17011609-008CND