1,1-Dichloroethylene
City of Gilmer
1,1-Dichloroethylene is used for plastics production. It damages DNA and causes cancer in laboratory animal studies.
15
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 | ND | 3 | 0 | ND |
| 2016 | ND | 3 | 0 | ND |
| 2017 | ND | 3 | 0 | ND |
| 2018 | ND | 3 | 0 | ND |
| 2019 | ND | 3 | 0 | ND |
ppb = parts per billion
State and national drinking water standards and health guidelines
EPA Maximum Contaminant
Level (MCL) 7 ppb
The legal limit for 1,1-dichloroethylene, established in 1987, was based on a toxicity study conducted in laboratory animals in the 1980s.
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2015-07-20 | Q1527775002 | ND |
| 2015-07-20 | Q1527775004 | ND |
| 2015-07-20 | Q1527775005 | ND |
| 2016-05-25 | Q1620683010 | ND |
| 2016-05-25 | Q1620683011 | ND |
| 2016-05-25 | Q1620683014 | ND |
| 2017-03-16 | Q1711226001 | ND |
| 2017-03-16 | Q1711226004 | ND |
| 2017-03-16 | Q1711226006 | ND |
| 2018-08-30 | Q1834899002 | ND |
| 2018-08-30 | Q1834899003 | ND |
| 2018-08-30 | Q1834899006 | ND |
| 2019-10-10 | Q1972218001 | ND |
| 2019-10-10 | Q1972218003 | ND |
| 2019-10-10 | Q1972218005 | ND |