Para-para DDE
City of Gardner
Testing results - average by year
Year | Average result | Samples taken | Detections | Range of results |
---|---|---|---|---|
2013 | N/A | 0 | 0 | N/A |
2014 | ND | 2 | 0 | ND |
2015 | ND | 1 | 0 | ND |
2016 | ND | 1 | 0 | ND |
2017 | ND | 1 | 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 |
---|---|---|
2014-05-19 | 117268 | ND |
2014-06-02 | 123239 | ND |
2015-05-18 | 335044 | ND |
2016-05-16 | 547742 | ND |
2017-06-04 | 770934 | ND |
2018-05-14 | 971041 | ND |