1,1-Dichloroethylene
Spinnaker Point
1,1-Dichloroethylene is used for plastics production. It damages DNA and causes cancer in laboratory animal studies.
17
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 | 5 | 0 | ND |
| 2017 | ND | 1 | 0 | ND |
| 2018 | ND | 1 | 0 | ND |
| 2019 | ND | 2 | 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 |
|---|---|---|
| 2014-01-21 | C317135-01 | ND |
| 2014-05-28 | C403283-01 | ND |
| 2014-09-23 | C412450-01 | ND |
| 2014-10-28 | C412145-01 | ND |
| 2015-01-27 | ND | |
| 2015-05-12 | ND | |
| 2015-07-28 | ND | |
| 2015-11-03 | ND | |
| 2016-02-17 | C516136-01 | ND |
| 2016-05-03 | CZ03430-01 | ND |
| 2016-08-30 | CZ08475-01 | ND |
| 2016-08-30 | CZ08475-03 | ND |
| 2016-10-25 | CZ13876-01 | ND |
| 2017-11-07 | CA13325-01 | ND |
| 2018-10-09 | CB14420-01 | ND |
| 2019-09-11 | CC10690-01 | ND |
| 2019-10-15 | CC15942-01 | ND |