1,1,1,2-Tetrachloroethane
Seven Estates
1,1,1,2-Tetrachloroethane is a synthetic chemical used in metal degreasing and as an intermediate in industrial chemical production.
11
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 | N/A | 0 | 0 | N/A |
| 2019 | N/A | 0 | 0 | N/A |
| 2020 | ND | 3 | 0 | ND |
| 2021 | ND | 2 | 0 | ND |
| 2022 | ND | 3 | 0 | ND |
| 2023 | ND | 3 | 0 | ND |
ppb = parts per billion
State, National, and Health Guidelines for Drinking Water
EWG Health Guideline: 1 ppb
The EWG Health Guideline of 1 ppb for 1,1,1,2-tetrachloroethane was defined by the Environmental Protection Agency as a one-in-a-million lifetime risk of cancer. Values greater than one-in-a-million cancer risk level can result in increased cancer cases above one in a million people.
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2020-03-05 | Q2008336001 | ND |
| 2020-03-05 | Q2008336003 | ND |
| 2020-08-27 | Q2034428005 | ND |
| 2021-09-13 | Q2124817001 | ND |
| 2021-09-13 | Q2124817003 | ND |
| 2022-04-27 | Q2212699005 | ND |
| 2022-04-27 | Q2212699007 | ND |
| 2022-10-19 | Q2231793003 | ND |
| 2023-05-04 | Q2317011001 | ND |
| 2023-05-04 | Q2317011003 | ND |
| 2023-05-04 | Q2317011005 | ND |