1,1-Dichloroethylene
City of Modesto, Salida
1,1-Dichloroethylene is used for plastics production. It damages DNA and causes cancer in laboratory animal studies.
14
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 | 1 | 0 | ND |
| 2015 | ND | 7 | 0 | ND |
| 2016 | N/A | 0 | 0 | N/A |
| 2017 | N/A | 0 | 0 | N/A |
| 2018 | ND | 6 | 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 |
|---|---|---|
| 2014-10-01 | 1610-007-1140 | ND |
| 2015-03-04 | 1610-001-0855 | ND |
| 2015-03-04 | 1610-005-0946 | ND |
| 2015-03-04 | 1610-006-1111 | ND |
| 2015-03-04 | 1610-007-0820 | ND |
| 2015-03-04 | 1610-009-1013 | ND |
| 2015-03-04 | 1610-017-0916 | ND |
| 2015-07-02 | 1610-008-1123 | ND |
| 2018-03-07 | 1610-001-0942 | ND |
| 2018-03-07 | 1610-005-1003 | ND |
| 2018-03-07 | 1610-006-1041 | ND |
| 2018-03-07 | 1610-007-0752 | ND |
| 2018-03-07 | 1610-017-1021 | ND |
| 2018-04-04 | 1610-008-1132 | ND |