Benzo[a]anthracene
Harris County Water Control and Improvement District 91
Benzo[a]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.
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 |
|---|---|---|---|---|
| 2014 | N/A | 0 | 0 | N/A |
| 2015 | ND | 3 | 0 | ND |
| 2016 | ND | 2 | 0 | ND |
| 2017 | ND | 1 | 0 | ND |
| 2018 | ND | 1 | 0 | ND |
| 2019 | ND | 1 | 0 | ND |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2015-03-23 | AC85746 | ND |
| 2015-09-17 | AD07645 | ND |
| 2015-11-17 | AD13904 | ND |
| 2016-05-26 | AD38622 | ND |
| 2016-09-28 | AD52124 | ND |
| 2017-02-23 | AD71895 | ND |
| 2018-03-21 | AE19429 | ND |
| 2019-08-07 | AE77607 | ND |