1,1,1-Trichloroethane
Queens Harbor/pier Point
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.
13
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 | 2 | 0 | ND |
| 2020 | ND | 1 | 0 | ND |
| 2021 | ND | 1 | 0 | ND |
| 2022 | ND | 5 | 0 | ND |
| 2023 | ND | 3 | 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 |
|---|---|---|
| 2018-10-09 | 7149-100918-V01V | ND |
| 2019-04-16 | 7149-041619-V01V | ND |
| 2019-10-08 | 7149-100819-V01V | ND |
| 2020-10-27 | 7149-102720-V01V | ND |
| 2021-10-19 | 7149-101921-V01V | ND |
| 2022-01-12 | 7149-011222-V02V | ND |
| 2022-04-27 | 7149-042722-V02V | ND |
| 2022-07-12 | 7149-071222-V02V | ND |
| 2022-10-11 | 7149-101122-V01V | ND |
| 2022-10-11 | 7149-101122-V02V | ND |
| 2023-01-10 | 752-1051-1_A | ND |
| 2023-08-28 | 752-11002-1 | ND |
| 2023-10-04 | 752-12302-1 | ND |