1,1,1,2-Tetrachloroethane
Swartz Creek Meadows
1,1,1,2-Tetrachloroethane is a synthetic chemical used in metal degreasing and as an intermediate in industrial chemical production.
12
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 |
|---|---|---|---|---|
| 2014 | N/A | 0 | 0 | N/A |
| 2015 | N/A | 0 | 0 | N/A |
| 2016 | N/A | 0 | 0 | N/A |
| 2017 | N/A | 0 | 0 | N/A |
| 2018 | ND | 6 | 0 | ND |
| 2019 | ND | 6 | 0 | ND |
ppb = parts per billion
State and national drinking water standards and health guidelines
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 |
|---|---|---|
| 2018-07-24 | LLH94965 | ND |
| 2018-07-24 | LLH94966 | ND |
| 2018-08-08 | LLH98027 | ND |
| 2018-08-08 | LLH98028 | ND |
| 2018-11-08 | LLI14973 | ND |
| 2018-11-08 | LLI14974 | ND |
| 2019-06-10 | LLI42040 | ND |
| 2019-06-10 | LLI42039 | ND |
| 2019-09-26 | LLI68014 | ND |
| 2019-09-26 | LLI68015 | ND |
| 2019-09-26 | LLI68013 | ND |
| 2019-09-26 | LLI68012 | ND |