Naphthalene
Harris County Municipal Utility District 24
Naphthalene is a polycyclic aromatic hydrocarbon, or PAH, released from combustion of fossil fuels and waste incinerators, and also used as a moth repellent. PAHs increase the risk of cancer; damage the immune, nervous and reproductive systems; and can harm developing fetuses.
15
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 | ND | 1 | 0 | ND |
| 2015 | ND | 4 | 0 | ND |
| 2016 | ND | 2 | 0 | ND |
| 2017 | ND | 2 | 0 | ND |
| 2018 | ND | 4 | 0 | ND |
| 2019 | ND | 2 | 0 | ND |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2014-08-12 | AC63105 | ND |
| 2015-08-11 | AD03644 | ND |
| 2015-08-11 | AD03636 | ND |
| 2015-08-11 | AD03686 | ND |
| 2015-08-11 | AD03684 | ND |
| 2016-11-09 | AD57422 | ND |
| 2016-11-09 | AD57420 | ND |
| 2017-03-29 | AD77416 | ND |
| 2017-03-29 | AD77418 | ND |
| 2018-03-02 | AE16698 | ND |
| 2018-03-02 | AE16662 | ND |
| 2018-03-02 | AE16762 | ND |
| 2018-03-02 | AE16763 | ND |
| 2019-04-18 | AE62989 | ND |
| 2019-04-18 | AE62991 | ND |