Naphthalene
City of Seguin
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 |
|---|---|---|
| 2014-02-19 | AC43655 | ND |
| 2014-07-23 | AC60694 | ND |
| 2015-01-27 | AC77989 | ND |
| 2015-07-16 | AC99960 | ND |
| 2016-01-19 | AD18736 | ND |
| 2016-07-07 | AD43347 | ND |
| 2017-02-07 | AD69393 | ND |
| 2017-07-28 | AD91397 | ND |
| 2018-03-21 | AE19423 | ND |
| 2018-08-09 | AE36384 | ND |
| 2019-01-23 | AE51045 | ND |
| 2019-07-22 | AE75362 | ND |