Know Your Environment. Protect Your Health.

1,1,1-Trichloroethane

Lehigh County Authority Allentown Division

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.

 

21

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND20ND
2019ND20ND
2020ND40ND
2021ND40ND
2022ND40ND
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
2018-03-138023741-01ND
2018-03-138023741-02ND
2019-03-199024667-02ND
2019-03-199024667-01ND
2020-03-0421896272.00ND
2020-03-1121896285.00ND
2020-03-1821896328.00ND
2020-03-1821896317.00ND
2021-01-0623762423.00ND
2021-01-1323762446.00ND
2021-01-2023762469.00ND
2021-01-2023762492.00ND
2022-01-1025992213.00ND
2022-01-1925992234.00ND
2022-01-2525992257.00ND
2022-01-2525992278.00ND
2023-01-0428221627.00ND
2023-01-0928221650.00ND
2023-01-1828221673.00ND
2023-01-1828221696.00ND
2023-02-2228396016.00ND