Know Your Environment. Protect Your Health.

1,1,1-Trichloroethane

Reading Area Water Authority

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.

 

12

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND10ND
2019ND20ND
2020ND20ND
2021ND20ND
2022ND20ND
2023ND30ND

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
2018-01-028000187-01ND
2019-01-299000973-01ND
2019-08-289029432-01ND
2020-01-1421541487.00ND
2020-07-2022651061.00ND
2021-01-1223752880.00ND
2021-07-0624872817.00ND
2022-01-0425805877.00ND
2022-07-1927082450.00ND
2023-01-0328038890.00ND
2023-03-2428563473.00ND
2023-04-1328748236.00ND