Know Your Environment. Protect Your Health.

1,1,1-Trichloroethane

South Middleton Twp 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.

 

33

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND30ND
2019ND30ND
2020ND30ND
2021ND90ND
2022ND90ND
2023ND60ND

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
2018-05-158052993-01ND
2018-05-158052993-02ND
2018-05-158052993-03ND
2019-05-149052836-02ND
2019-05-149052836-03ND
2019-05-149052836-01ND
2020-05-1422355425.00ND
2020-05-1422355404.00ND
2020-05-1422355383.00ND
2021-02-1724007058.00ND
2021-02-1724007010.00ND
2021-02-1724007034.00ND
2021-05-1824579637.00ND
2021-05-1824579686.00ND
2021-05-1824579662.00ND
2021-08-1725164854.00ND
2021-08-1725164903.00ND
2021-08-1725164879.00ND
2022-05-1726788404.00ND
2022-05-1726788453.00ND
2022-05-1726788429.00ND
2022-08-2327587400.00ND
2022-08-2327587401.00ND
2022-08-2327587399.00ND
2022-11-1627948231.00ND
2022-11-1627948255.00ND
2022-11-1627948206.00ND
2023-03-3028650588.00ND
2023-03-3028650637.00ND
2023-03-3028650613.00ND
2023-05-2529247754.00ND
2023-05-2529247753.00ND
2023-05-2529247752.00ND