Dieldrin
City of Rockville
Dieldrin is a highly toxic insecticide that was banned in the 1970s due to its persistence in the environment and toxicity to people and wildlife.
6
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 | ND | 1 | 0 | ND |
| 2017 | ND | 2 | 0 | ND |
| 2018 | ND | 1 | 0 | ND |
| 2019 | N/A | 0 | 0 | N/A |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2014-05-13 | 0150003_01_10350 | ND |
| 2014-07-24 | 0150003_01_00035 | ND |
| 2016-07-05 | 21562290001 | ND |
| 2017-06-20 | E17005038001 | ND |
| 2017-07-05 | 2243489001 | ND |
| 2018-03-08 | E18003257001 | ND |