Know Your Environment. Protect Your Health.

1,1,1-Trichloroethane

Pennsylvania American Royersford

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.

 

29

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND40ND
2019ND40ND
2020ND50ND
2021ND60ND
2022ND50ND
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
2018-04-1139073401ND
2018-04-1139072901ND
2018-04-1139074201ND
2018-04-1139073001ND
2019-04-0843660501ND
2019-04-0843660601ND
2019-04-0843659301ND
2019-04-2343659401ND
2020-04-0222016200.00ND
2020-04-0222016084.00ND
2020-04-0222016156.00ND
2020-04-0222016179.00ND
2020-04-0222016135.00ND
2021-04-0124241273.00ND
2021-04-0124241294.00ND
2021-04-0124241317.00ND
2021-08-0525016538.00ND
2021-10-1425398551.00ND
2021-11-1125582463.00ND
2022-02-0926111838.00ND
2022-04-1426458206.00ND
2022-04-1426458165.00ND
2022-04-1426458210.00ND
2022-05-1226641727.00ND
2023-04-1928695801.00ND
2023-04-1928695869.00ND
2023-04-1928695780.00ND
2023-04-1928695822.00ND
2023-04-1928695843.00ND