1,1,1,2-Tetrachloroethane
Clifton Park Water Authority
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 |
|---|---|---|---|---|
| 2013 | N/A | 0 | 0 | N/A |
| 2014 | ND | 1 | 0 | ND |
| 2015 | ND | 1 | 0 | ND |
| 2016 | ND | 9 | 0 | ND |
| 2017 | ND | 3 | 0 | ND |
| 2018 | ND | 4 | 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 |
|---|---|---|
| 2014-10-20 | C002981-POCS | ND |
| 2015-02-23 | C005541-01-POCS | ND |
| 2016-05-09 | 160509024POCS | ND |
| 2016-06-08 | 160608092-001-PO | ND |
| 2016-06-08 | 160608088001-POC | ND |
| 2016-06-08 | 160608094-POCS | ND |
| 2016-06-08 | 160608084-POCS | ND |
| 2016-06-08 | 160608095-001-PO | ND |
| 2016-06-08 | 160608089-POCS | ND |
| 2016-06-08 | 160608090-POCS | ND |
| 2016-06-08 | 160608087-POCS | ND |
| 2017-06-27 | 170627043-05-POC | ND |
| 2017-06-27 | 170627043-POCS | ND |
| 2017-10-05 | C030388-01-POCS | ND |
| 2018-06-18 | C036389-01-POCS | ND |
| 2018-06-18 | C036388-02-POCS | ND |
| 2018-06-18 | C036388-POCS | ND |
| 2018-09-04 | C038878-01-POCS | ND |
| 2019-06-11 | C045464-04-POCS | ND |
| 2019-06-11 | C045464-02-POCS | ND |
| 2019-06-11 | C045464-01-POCS | ND |
| 2019-06-11 | C045464-03-POCS | ND |
| 2019-06-11 | C045464-06-POCS | ND |
| 2019-06-11 | C045464-07-POCS | ND |