Know Your Environment. Protect Your Health.

1,1,1-Trichloroethane

Northport Cottage Owners

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.

 

16

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018N/A00N/A
2019N/A00N/A
2020ND30ND
2021ND50ND
2022ND40ND
2023ND40ND

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
2020-06-30ND
2020-08-19ND
2020-11-18ND
2021-02-19ND
2021-05-28ND
2021-09-03ND
2021-09-23ND
2021-11-19ND
2022-02-18ND
2022-05-19ND
2022-08-30ND
2022-12-14ND
2023-03-17ND
2023-05-17ND
2023-08-25ND
2023-11-27ND