1,1,1,2-Tetrachloroethane
City of New Summerfield
1,1,1,2-Tetrachloroethane is a synthetic chemical used in metal degreasing and as an intermediate in industrial chemical production.
14
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 | 2 | 0 | ND |
| 2019 | ND | 2 | 0 | ND |
| 2020 | ND | 2 | 0 | ND |
| 2021 | ND | 2 | 0 | ND |
| 2022 | ND | 2 | 0 | ND |
| 2023 | ND | 4 | 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 |
|---|---|---|
| 2018-10-25 | Q1843100001 | ND |
| 2018-10-25 | Q1843100004 | ND |
| 2019-03-21 | Q1911964003 | ND |
| 2019-03-21 | Q1911964009 | ND |
| 2020-03-23 | Q2012158003 | ND |
| 2020-03-23 | Q2012158005 | ND |
| 2021-03-01 | Q2105152005 | ND |
| 2021-08-12 | Q2121675009 | ND |
| 2022-02-02 | Q2203981003 | ND |
| 2022-02-02 | Q2203981005 | ND |
| 2023-04-25 | Q2315546001 | ND |
| 2023-04-25 | Q2315546003 | ND |
| 2023-07-03 | Q2326031003 | ND |
| 2023-10-13 | Q2343897001 | ND |