1,1,1-Trichloroethane
Hamburg Municipal Water&sewer 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.
15
Samples
0
Samples exceeding legal limit (MCL)
0
Samples exceeding
health guidelines
Testing results - average by year
| Year | Average result | Samples taken | Detections | Range of results |
|---|---|---|---|---|
| 2018 | ND | 1 | 0 | ND |
| 2019 | ND | 1 | 0 | ND |
| 2020 | ND | 2 | 0 | ND |
| 2021 | ND | 1 | 0 | ND |
| 2022 | ND | 5 | 0 | ND |
| 2023 | ND | 5 | 0 | ND |
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 |
|---|---|---|
| 2018-10-03 | 8007563-01 | ND |
| 2019-03-13 | 8017757-01 | ND |
| 2020-05-27 | 22259100.00 | ND |
| 2020-08-19 | 22841434.00 | ND |
| 2021-08-11 | 25064933.00 | ND |
| 2022-07-06 | 27080643.00 | ND |
| 2022-07-27 | 27279441.00 | ND |
| 2022-08-02 | 27279504.00 | ND |
| 2022-08-10 | 27279462.00 | ND |
| 2022-08-10 | 27279483.00 | ND |
| 2023-08-09 | 29542200.00 | ND |
| 2023-12-04 | 30283906.00 | ND |
| 2023-12-04 | 30283907.00 | ND |
| 2023-12-05 | 30283908.00 | ND |
| 2023-12-06 | 30283905.00 | ND |