1,1-Dichloroethylene
Rockbridge S/d
1,1-Dichloroethylene is used for plastics production. It damages DNA and causes cancer in laboratory animal studies.
16
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 | 4 | 0 | ND |
| 2015 | ND | 4 | 0 | ND |
| 2016 | ND | 4 | 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 |
|---|---|---|
| 2014-03-11 | 8567-031114-E02V | ND |
| 2014-06-04 | 8567-060414-E02V | ND |
| 2014-09-16 | 8567-091614-E02V | ND |
| 2014-11-10 | 8567-111014-E02V | ND |
| 2015-03-02 | ND | |
| 2015-05-05 | ND | |
| 2015-08-18 | ND | |
| 2015-10-27 | ND | |
| 2016-01-13 | 072-16 | ND |
| 2016-04-05 | 407-16 | ND |
| 2016-07-06 | 814-16 | ND |
| 2016-10-04 | 1468-16 | ND |
| 2017-01-03 | 030-17 | ND |
| 2017-04-04 | 479-17 | ND |
| 2017-07-05 | 963-17 | ND |
| 2018-07-10 | 1254-18 | ND |