1,1,1,2-Tetrachloroethane
South Bethany
1,1,1,2-Tetrachloroethane is a synthetic chemical used in metal degreasing and as an intermediate in industrial chemical production.
10
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 | ND | 3 | 0 | ND |
| 2015 | ND | 2 | 0 | ND |
| 2016 | ND | 3 | 0 | ND |
| 2017 | ND | 2 | 0 | ND |
| 2018 | N/A | 0 | 0 | N/A |
| 2019 | N/A | 0 | 0 | N/A |
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 |
|---|---|---|
| 2014-06-30 | L4949121-1 VOC | ND |
| 2014-06-30 | L4949121-1-VOC | ND |
| 2014-09-25 | L5242401-1 VOC | ND |
| 2015-06-24 | L5507381-1-VOC | ND |
| 2015-06-24 | L5530440-VOC | ND |
| 2016-01-11 | L5711890-1 VOC | ND |
| 2016-01-20 | L6019358-1 VOC | ND |
| 2016-12-09 | L6588686-1 VOC | ND |
| 2017-08-30 | L6844903-1 VOC | ND |
| 2017-08-30 | L6857483-1 VOC | ND |