Know Your Environment. Protect Your Health.

1,1,1-Trichloroethane

Big Flats Water District #2

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.

 

22

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND20ND
2019ND20ND
20200.693 ppb64ND - 1.30 ppb
20210.517 ppb63ND - 1.10 ppb
20220.313 ppb31ND - 0.940 ppb
20230.293 ppb31ND - 0.880 ppb

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
2018-04-04R1802920-002POCSND
2018-04-04R1802920-001POCSND
2019-04-03R1902904-002POCSND
2019-04-03R1902904-001POCSND
2020-01-083080420001POC0.930 ppb
2020-04-103096566002POCND
2020-04-103096566001POCND
2020-04-103096566003POC0.930 ppb
2020-07-013112191001POC1.000 ppb
2020-10-073134231001POC1.30 ppb
2021-01-133152400001POC1.10 ppb
2021-04-073168913002POCND
2021-04-073168913001POCND
2021-04-073168913003POC0.900 ppb
2021-07-073187629001ND
2021-10-13R2110762-001POCS1.10 ppb
2022-04-07S2D0298-03POCS0.940 ppb
2022-04-07S2D0298-02POCSND
2022-04-07S2D0298-01POCSND
2023-04-24R2303482-001POCND
2023-04-24R2303482-002POCND
2023-07-19T3G2236-01POCS0.880 ppb