Know Your Environment. Protect Your Health.

1,1,1-Trichloroethane

Conyngham Water Company

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.

 

22

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND30ND
2019ND30ND
2020ND50ND
2021ND30ND
2022ND30ND
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
2018-04-177048808001ND
2018-04-177048808002ND
2018-04-177048808003ND
2019-03-121903-156-2ND
2019-03-1219030-156-1ND
2019-03-121903-156-1ND
2020-03-0221862233.00ND
2020-03-0221862213.00ND
2020-03-0221862193.00ND
2020-03-0221862173.00ND
2020-03-0221862153.00ND
2021-06-0124454893.00ND
2021-06-0124454873.00ND
2021-06-0124454913.00ND
2022-04-0426478820.00ND
2022-04-0426478840.00ND
2022-04-0426478860.00ND
2023-03-0628536378.00ND
2023-03-0628536398.00ND
2023-03-0628536418.00ND
2023-12-1230259328.00ND
2023-12-1230259308.00ND