1,1,1,2-Tetrachloroethane
Connecticut Water Company - Shoreline Region-chester System
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 | ND | 2 | 0 | ND |
| 2015 | ND | 2 | 0 | ND |
| 2016 | ND | 2 | 0 | ND |
| 2017 | ND | 2 | 0 | ND |
| 2018 | ND | 2 | 0 | ND |
| 2019 | ND | 2 | 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 |
|---|---|---|
| 2014-01-29 | 140130CWCAVOC1 | ND |
| 2014-05-14 | 6604VOC1 | ND |
| 2015-02-12 | BH73176VOC1 | ND |
| 2015-06-17 | BJ32481VOC1 | ND |
| 2016-02-11 | BK64356VOC1 | ND |
| 2016-05-25 | BN40398VOC1 | ND |
| 2017-01-18 | BX33133VOC1 | ND |
| 2017-11-15 | BZ42288VOC1 | ND |
| 2018-03-30 | CA11467VOC1 | ND |
| 2018-09-13 | VOC1 200505277 | ND |
| 2019-03-11 | VOC1 200524295 | ND |
| 2019-06-24 | VOC1 200538201 | ND |