Naphthalene
Harris County Municipal Utility District 530
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.
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 | N/A | 0 | 0 | N/A |
| 2016 | ND | 4 | 0 | ND |
| 2017 | ND | 1 | 0 | ND |
| 2018 | ND | 1 | 0 | ND |
| 2019 | ND | 2 | 0 | ND |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2016-02-24 | AD25396 | ND |
| 2016-02-24 | AD25513 | ND |
| 2016-09-30 | AD52332 | ND |
| 2016-09-30 | AD52382 | ND |
| 2017-08-16 | AD93257 | ND |
| 2018-07-31 | AE35088 | ND |
| 2019-04-25 | AE63724 | ND |
| 2019-04-25 | AE63817 | ND |