1,1-Dichloroethylene
Nipomo Comm. Services District
1,1-Dichloroethylene is used for plastics production. It damages DNA and causes cancer in laboratory animal studies.
12
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 | 8 | 0 | ND |
| 2015 | N/A | 0 | 0 | N/A |
| 2016 | N/A | 0 | 0 | N/A |
| 2017 | ND | 4 | 0 | ND |
| 2018 | N/A | 0 | 0 | N/A |
| 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 |
|---|---|---|
| 2014-07-23 | 5867-002-1000 | ND |
| 2014-07-23 | 5867-004-1015 | ND |
| 2014-07-23 | 5867-008-1200 | ND |
| 2014-07-23 | 5867-015-1120 | ND |
| 2014-07-23 | 5867-020-1235 | ND |
| 2014-07-23 | 5867-021-1210 | ND |
| 2014-07-23 | 5867-033-1045 | ND |
| 2014-12-23 | 5867-005-1245 | ND |
| 2017-07-11 | 5867-015-1215 | ND |
| 2017-07-11 | 5867-020-1145 | ND |
| 2017-07-11 | 5867-021-1120 | ND |
| 2017-07-11 | 5867-033-1100 | ND |