1,1,1-Trichloroethane
Pennsylvania American Royersford
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.
29
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 | 4 | 0 | ND |
| 2019 | ND | 4 | 0 | ND |
| 2020 | ND | 5 | 0 | ND |
| 2021 | ND | 6 | 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 |
|---|---|---|
| 2018-04-11 | 39073401 | ND |
| 2018-04-11 | 39072901 | ND |
| 2018-04-11 | 39074201 | ND |
| 2018-04-11 | 39073001 | ND |
| 2019-04-08 | 43660501 | ND |
| 2019-04-08 | 43660601 | ND |
| 2019-04-08 | 43659301 | ND |
| 2019-04-23 | 43659401 | ND |
| 2020-04-02 | 22016200.00 | ND |
| 2020-04-02 | 22016084.00 | ND |
| 2020-04-02 | 22016156.00 | ND |
| 2020-04-02 | 22016179.00 | ND |
| 2020-04-02 | 22016135.00 | ND |
| 2021-04-01 | 24241273.00 | ND |
| 2021-04-01 | 24241294.00 | ND |
| 2021-04-01 | 24241317.00 | ND |
| 2021-08-05 | 25016538.00 | ND |
| 2021-10-14 | 25398551.00 | ND |
| 2021-11-11 | 25582463.00 | ND |
| 2022-02-09 | 26111838.00 | ND |
| 2022-04-14 | 26458206.00 | ND |
| 2022-04-14 | 26458165.00 | ND |
| 2022-04-14 | 26458210.00 | ND |
| 2022-05-12 | 26641727.00 | ND |
| 2023-04-19 | 28695801.00 | ND |
| 2023-04-19 | 28695869.00 | ND |
| 2023-04-19 | 28695780.00 | ND |
| 2023-04-19 | 28695822.00 | ND |
| 2023-04-19 | 28695843.00 | ND |