Chrysene
Northwest Harris County Municipal Utility District 19
Chrysene 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.
8
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 |
|---|---|---|---|---|
| 2018 | ND | 1 | 0 | ND |
| 2019 | ND | 2 | 0 | ND |
| 2020 | ND | 1 | 0 | ND |
| 2021 | ND | 1 | 0 | ND |
| 2022 | ND | 2 | 0 | ND |
| 2023 | ND | 1 | 0 | ND |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2018-05-17 | AE26875 | ND |
| 2019-11-07 | AE88977 | ND |
| 2019-11-07 | AE88978 | ND |
| 2020-12-15 | AF37738 | ND |
| 2021-06-10 | AF57598 | ND |
| 2022-05-17 | AF97326 | ND |
| 2022-05-17 | AF97336 | ND |
| 2023-07-20 | AG49701 | ND |