Know Your Environment. Protect Your Health.

1,1,1-Trichloroethane

Paw Penn District

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.

 

56

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND80ND
2019ND100ND
2020ND110ND
2021ND80ND
2022ND80ND
2023ND110ND

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
2018-01-1138161501ND
2018-01-1138161101ND
2018-01-1138161401ND
2018-01-1138161301ND
2018-01-1138161201ND
2018-04-1139072601ND
2018-07-1640207301ND
2018-10-1741961701ND
2019-01-0942499201ND
2019-01-0942499601ND
2019-01-0942499501ND
2019-01-0942499401ND
2019-01-0942499301ND
2019-04-0143658101ND
2019-07-0845016101ND
2019-07-1545716201ND
2019-10-0746831501ND
2019-10-3143999801ND
2020-01-0621542692.00ND
2020-01-0621542540.00ND
2020-01-0621542650.00ND
2020-01-0621542608.00ND
2020-01-0621542629.00ND
2020-01-0621542561.00ND
2020-01-0621542582.00ND
2020-01-1521542671.00ND
2020-05-0622261497.00ND
2020-08-1722843894.00ND
2020-10-0823224115.00ND
2021-01-1423754063.00ND
2021-01-1423754042.00ND
2021-01-1423754105.00ND
2021-01-1423754084.00ND
2021-04-1424290663.00ND
2021-04-2124290992.00ND
2021-07-0124873775.00ND
2021-10-0625448162.00ND
2022-01-0525982957.00ND
2022-01-0525982907.00ND
2022-01-0525982913.00ND
2022-01-0525982936.00ND
2022-01-0525982888.00ND
2022-04-0626506762.00ND
2022-07-0527082966.00ND
2022-10-0627684633.00ND
2023-01-0528212794.00ND
2023-01-0528212872.00ND
2023-01-0528212851.00ND
2023-01-0528212825.00ND
2023-01-0528212846.00ND
2023-01-0528212779.00ND
2023-01-0528212896.00ND
2023-04-1328749290.00ND
2023-06-0729155743.00ND
2023-07-2029346681.00ND
2023-10-1229928181.00ND