Naphthalene
Harris County Municipal Utility District 155
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.
11
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 | 2 | 0 | ND |
| 2016 | ND | 2 | 0 | ND |
| 2017 | ND | 2 | 0 | ND |
| 2018 | ND | 2 | 0 | ND |
| 2019 | ND | 2 | 0 | ND |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2014-04-23 | AC51562 | ND |
| 2015-03-12 | AC84139 | ND |
| 2015-03-12 | AC84256 | ND |
| 2016-03-07 | AD27302 | ND |
| 2016-03-07 | AD27381 | ND |
| 2017-02-06 | AD68763 | ND |
| 2017-02-06 | AD68963 | ND |
| 2018-02-06 | AE12510 | ND |
| 2018-02-06 | AE12590 | ND |
| 2019-02-04 | AE52704 | ND |
| 2019-02-04 | AE52749 | ND |