1,1-Dichloropropene
St. John Municipal Water Utility
1,1-Dichloropropene is an industrial chemical.
4
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 | 2 | 0 | ND |
| 2015 | N/A | 0 | 0 | N/A |
| 2016 | N/A | 0 | 0 | N/A |
| 2017 | ND | 2 | 0 | ND |
| 2018 | N/A | 0 | 0 | N/A |
| 2019 | N/A | 0 | 0 | N/A |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2014-07-29 | 3071766RV-1403 | ND |
| 2014-07-29 | 3071767RV-1403 | ND |
| 2017-01-16 | 3621869RV-1701 | ND |
| 2017-01-16 | 380944RV-1701 | ND |