Pyrene
Portsmouth Water & Fire District
Pyrene 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.
0
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 | 0.00455 ppb | 22 | 1 | ND - 0.1000 ppb |
| 2015 | ND | 11 | 0 | ND |
| 2016 | 0.0214 ppb | 14 | 2 | ND - 0.200 ppb |
| 2017 | 0.0167 ppb | 30 | 3 | ND - 0.200 ppb |
| 2018 | 0.01000 ppb | 20 | 2 | ND - 0.1000 ppb |
| 2019 | ND | 19 | 0 | ND |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|