Know Your Environment. Protect Your Health.

1,1,1-Trichloroethane

Hca Roan Filter Plant

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
2018ND10ND
2019ND10ND
2020ND20ND
2021ND40ND
2022ND10ND
2023ND50ND

ppb = parts per billion

State, National, and Health Guidelines for Drinking Water

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
2018-10-308111439-01ND
2019-10-249105284-01ND
2020-06-1722436158.00ND
2020-10-1923201739.00ND
2021-01-0723731039.00ND
2021-04-0824266644.00ND
2021-07-0124848287.00ND
2021-10-2025424857.00ND
2022-05-2626669377.00ND
2023-02-2828541392.00ND
2023-05-0228921502.00ND
2023-05-2428921761.00ND
2023-08-2229719419.00ND
2023-11-1430089985.00ND