Know Your Environment. Protect Your Health.

1,1,1-Trichloroethane

State College Boro Water Auth.

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.

 

23

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND10ND
2019ND10ND
2020ND50ND
2021ND50ND
2022ND30ND
2023ND80ND

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
2018-02-148B14177-01ND
2019-02-129B12139-01ND
2020-02-1221735644.00ND
2020-02-1221735643.00ND
2020-02-1221735642.00ND
2020-02-1221735641.00ND
2020-02-1221735640.00ND
2021-02-1623954000.00ND
2021-04-0724321974.00ND
2021-08-1625098841.00ND
2021-09-1325291244.00ND
2021-11-1525654890.00ND
2022-02-1526182290.00ND
2022-09-0127520793.00ND
2022-11-1627890870.00ND
2023-02-1428415060.00ND
2023-05-1628981581.00ND
2023-08-1429577819.00ND
2023-11-1330139902.00ND
2023-12-2030314240.00ND
2023-12-2030314303.00ND
2023-12-2030314261.00ND
2023-12-2030314282.00ND