1,1,1,2-Tetrachloroethane
Saint Francis Village
1,1,1,2-Tetrachloroethane is a synthetic chemical used in metal degreasing and as an intermediate in industrial chemical production.
24
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 | 4 | 0 | ND |
| 2021 | ND | 4 | 0 | ND |
| 2022 | ND | 4 | 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 |
|---|---|---|
| 2018-07-19 | Q1828773003 | ND |
| 2018-07-19 | Q1828773005 | ND |
| 2018-07-19 | Q1828773007 | ND |
| 2018-07-19 | Q1828773002 | ND |
| 2019-03-20 | Q1911627006 | ND |
| 2019-03-20 | Q1911627007 | ND |
| 2019-03-20 | Q1911627010 | ND |
| 2019-03-20 | Q1911627018 | ND |
| 2020-07-20 | Q2028181001 | ND |
| 2020-07-20 | Q2028181003 | ND |
| 2020-07-20 | Q2028181005 | ND |
| 2020-07-20 | Q2028181007 | ND |
| 2021-09-14 | Q2125001001 | ND |
| 2021-09-14 | Q2125001007 | ND |
| 2021-09-14 | Q2125001005 | ND |
| 2021-09-14 | Q2125001003 | ND |
| 2022-05-26 | Q2215264003 | ND |
| 2022-05-26 | Q2215264005 | ND |
| 2022-05-26 | Q2215264007 | ND |
| 2022-05-26 | Q2215264009 | ND |
| 2023-03-20 | Q2310438001 | ND |
| 2023-03-20 | Q2310438003 | ND |
| 2023-03-20 | Q2310438005 | ND |
| 2023-03-20 | Q2310438007 | ND |