Naphthalene
Harris County Municipal Utility District 183
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 |
|---|---|---|
| 2014-02-17 | AC43194 | ND |
| 2015-02-10 | AC79919 | ND |
| 2015-02-10 | AC80046 | ND |
| 2016-02-17 | AD23923 | ND |
| 2016-05-05 | AD35709 | ND |
| 2017-01-26 | AD67189 | ND |
| 2017-01-26 | AD67321 | ND |
| 2018-01-23 | AE09850 | ND |
| 2018-01-23 | AE09971 | ND |
| 2019-02-21 | AE55344 | ND |
| 2019-02-21 | AE55483 | ND |