1,1,1-Trichloroethane
Pennsylvania American Water Company Yardley
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.
35
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 | 3 | 0 | ND |
| 2019 | ND | 3 | 0 | ND |
| 2020 | ND | 7 | 0 | ND |
| 2021 | ND | 7 | 0 | ND |
| 2022 | ND | 8 | 0 | ND |
| 2023 | ND | 7 | 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 | 39062701 | ND |
| 2018-08-14 | 40630801 | ND |
| 2018-08-14 | 40630201 | ND |
| 2019-04-04 | 43649801 | ND |
| 2019-08-22 | 45815901 | ND |
| 2019-08-22 | 45816001 | ND |
| 2020-01-06 | 21487045.00 | ND |
| 2020-04-09 | 22005638.00 | ND |
| 2020-04-09 | 22005617.00 | ND |
| 2020-07-09 | 22591155.00 | ND |
| 2020-08-06 | 22780448.00 | ND |
| 2020-08-06 | 22780469.00 | ND |
| 2020-10-12 | 23166538.00 | ND |
| 2021-01-06 | 23695992.00 | ND |
| 2021-04-06 | 24231002.00 | ND |
| 2021-04-06 | 24230981.00 | ND |
| 2021-07-07 | 24812026.00 | ND |
| 2021-08-02 | 25004510.00 | ND |
| 2021-08-02 | 25004531.00 | ND |
| 2021-10-04 | 25387743.00 | ND |
| 2022-01-03 | 25926351.00 | ND |
| 2022-03-09 | 26272416.00 | ND |
| 2022-04-06 | 26447229.00 | ND |
| 2022-04-06 | 26447236.00 | ND |
| 2022-07-12 | 27020351.00 | ND |
| 2022-08-04 | 27216451.00 | ND |
| 2022-08-04 | 27216414.00 | ND |
| 2022-10-13 | 27625704.00 | ND |
| 2023-01-03 | 28156607.00 | ND |
| 2023-04-17 | 28684446.00 | ND |
| 2023-04-17 | 28684426.00 | ND |
| 2023-07-12 | 29285434.00 | ND |
| 2023-08-09 | 29478502.00 | ND |
| 2023-08-09 | 29478481.00 | ND |
| 2023-10-11 | 29870729.00 | ND |