Naphthalene
Harris County MUD 157
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.
21
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 | 7 | 0 | ND |
| 2016 | ND | 2 | 0 | ND |
| 2017 | ND | 4 | 0 | ND |
| 2018 | ND | 5 | 0 | ND |
| 2019 | ND | 2 | 0 | ND |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2014-08-07 | AC62556 | ND |
| 2015-02-02 | AC78855 | ND |
| 2015-05-15 | AC92404 | ND |
| 2015-05-15 | AC92405 | ND |
| 2015-05-15 | AC92346 | ND |
| 2015-05-15 | AC92350 | ND |
| 2015-09-29 | AD08995 | ND |
| 2015-12-07 | AD15794 | ND |
| 2016-02-11 | AD23379 | ND |
| 2016-02-11 | AD23387 | ND |
| 2017-03-14 | AD74945 | ND |
| 2017-03-14 | AD74883 | ND |
| 2017-08-16 | AD93284 | ND |
| 2017-12-15 | AE07852 | ND |
| 2018-03-28 | AE20490 | ND |
| 2018-03-28 | AE20491 | ND |
| 2018-03-28 | AE20419 | ND |
| 2018-03-28 | AE20383 | ND |
| 2018-05-03 | AE25180 | ND |
| 2019-02-20 | AE55091 | ND |
| 2019-12-19 | AE92885 | ND |