Naphthalene
City of Marble Falls
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.
12
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 | 2 | 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 |
|---|---|---|
| 2014-01-29 | AC40527 | ND |
| 2014-08-07 | AC62522 | ND |
| 2015-02-03 | AC79113 | ND |
| 2015-09-16 | AD07395 | ND |
| 2016-02-22 | AD24861 | ND |
| 2016-09-13 | AD49224 | ND |
| 2017-03-02 | AD73296 | ND |
| 2017-07-25 | AD90589 | ND |
| 2018-07-16 | AE33379 | ND |
| 2018-07-16 | AE33446 | ND |
| 2019-01-24 | AE51371 | ND |
| 2019-08-13 | AE78299 | ND |