1,1-Dichloroethylene
Rockton
1,1-Dichloroethylene is used for plastics production. It damages DNA and causes cancer in laboratory animal studies.
13
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 | 7 | 0 | ND |
| 2015 | ND | 1 | 0 | ND |
| 2016 | ND | 1 | 0 | ND |
| 2017 | ND | 3 | 0 | ND |
| 2018 | ND | 1 | 0 | ND |
| 2019 | N/A | 0 | 0 | N/A |
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 |
|---|---|---|
| 2014-01-08 | 4010934-01 | ND |
| 2014-01-08 | 4010934-02 | ND |
| 2014-03-17 | 4032604-01 | ND |
| 2014-04-15 | 4042933-02 | ND |
| 2014-08-18 | 4083962-01 | ND |
| 2014-08-18 | 4083962-02 | ND |
| 2014-10-06 | 4101788-01 | ND |
| 2015-01-19 | 5013107-01 | ND |
| 2016-01-18 | 6012945-01 | ND |
| 2017-01-16 | 7012840-01 | ND |
| 2017-01-16 | 7012840-02 | ND |
| 2017-07-18 | 7073547-01 | ND |
| 2018-01-08 | 8011235-04 | ND |