Naphthalene
City of Mercedes
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 |
|---|---|---|---|---|
| 2013 | N/A | 0 | 0 | N/A |
| 2014 | ND | 2 | 0 | ND |
| 2015 | ND | 2 | 0 | ND |
| 2016 | ND | 5 | 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 |
|---|---|---|
| 2014-01-28 | AC40477 | ND |
| 2014-07-10 | AC59311 | ND |
| 2015-01-22 | AC77397 | ND |
| 2015-08-05 | AD02701 | ND |
| 2016-01-28 | AD20852 | ND |
| 2016-03-02 | AD26674 | ND |
| 2016-04-28 | AD34682 | ND |
| 2016-07-12 | AD44088 | ND |
| 2016-11-16 | AD58351 | ND |
| 2017-02-08 | AD69602 | ND |
| 2017-02-08 | AD69732 | ND |
| 2018-01-31 | AE11615 | ND |
| 2018-01-31 | AE11692 | ND |
| 2019-02-27 | AE56372 | ND |
| 2019-06-04 | AE69252 | ND |