Know Your Environment. Protect Your Health.

1,1,1-Trichloroethane

Perkasie Regional 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.

 

41

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND70ND
2019ND70ND
2020ND60ND
2021ND70ND
2022ND70ND
2023ND70ND

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
2018-03-068024485-02ND
2018-06-048052857-02ND
2018-09-048084662-02ND
2018-09-178093548-01ND
2018-09-178093548-03ND
2018-09-178093548-02ND
2018-12-038110453-02REND
2019-03-059023322-02ND
2019-06-049053891-02ND
2019-09-039084135-02ND
2019-11-119111441-02ND
2019-11-119111441-03ND
2019-11-119111441-01ND
2019-12-039113323-02ND
2020-03-0321828165.00ND
2020-06-2322393768.00ND
2020-09-0122778502.00ND
2020-09-0122778460.00ND
2020-09-0122778481.00ND
2020-12-0123344560.00ND
2021-03-0224041342.00ND
2021-06-0124619522.00ND
2021-09-2025201406.00ND
2021-09-2025201448.00ND
2021-09-2025201427.00ND
2021-09-2025201469.00ND
2021-12-0725746111.00ND
2022-03-0126270340.00ND
2022-06-2126824212.00ND
2022-08-1627213704.00ND
2022-08-1627213752.00ND
2022-08-1627213729.00ND
2022-09-1927420634.00ND
2022-12-0627980846.00ND
2023-03-0728503193.00ND
2023-06-0629088306.00ND
2023-09-0529681650.00ND
2023-09-1929681653.00ND
2023-09-1929681652.00ND
2023-09-1929681651.00ND
2023-12-0530228264.00ND