Naphthalene
Montgomery County Municipal Utility District 99
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 | 1 | 0 | ND |
| 2016 | ND | 1 | 0 | ND |
| 2017 | ND | 2 | 0 | ND |
| 2018 | ND | 5 | 0 | ND |
| 2019 | ND | 5 | 0 | ND |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2014-06-23 | AC57681 | ND |
| 2015-07-20 | AD00169 | ND |
| 2016-12-07 | AD60914 | ND |
| 2017-09-06 | AD94921 | ND |
| 2017-09-06 | AD94996 | ND |
| 2018-07-25 | AE34532 | ND |
| 2018-07-25 | AE34538 | ND |
| 2018-07-25 | AE34586 | ND |
| 2018-10-17 | AE43796 | ND |
| 2018-10-17 | AE43805 | ND |
| 2019-02-13 | AE54373 | ND |
| 2019-02-13 | AE54361 | ND |
| 2019-02-13 | AE54438 | ND |
| 2019-05-21 | AE67396 | ND |
| 2019-05-21 | AE67483 | ND |