Dibenz[a,h]anthracene
City of Providence
Dibenz[a,h]anthracene is a polycyclic aromatic hydrocarbon, or PAH, released from combustion of fossil fuels and waste incinerators. PAHs increase the risk of cancer; damage the immune, nervous and reproductive systems; and can harm developing fetuses.
9
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 | 2 | 0 | ND |
| 2015 | N/A | 0 | 0 | N/A |
| 2016 | N/A | 0 | 0 | N/A |
| 2017 | ND | 4 | 0 | ND |
| 2018 | ND | 1 | 0 | ND |
| 2019 | ND | 2 | 0 | ND |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2014-01-21 | 1401191-01_TO40 | ND |
| 2014-09-08 | 1404926-01_TO40 | ND |
| 2017-01-31 | 1701086-01_TO40 | ND |
| 2017-05-30 | 1702342-01_TO40 | ND |
| 2017-08-28 | 1704153-01_TO40 | ND |
| 2017-11-01 | 1704845-01_TO40 | ND |
| 2018-02-06 | 1801079-01_TO40 | ND |
| 2019-02-05 | 1901020-01_TO40 | ND |
| 2019-06-20 | 1902650-01_TO40 | ND |