Naphthalene
Sonoma Ridge-mccall Sound
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.
8
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 | 1 | 0 | ND |
| 2016 | ND | 1 | 0 | ND |
| 2017 | ND | 2 | 0 | ND |
| 2018 | ND | 1 | 0 | ND |
| 2019 | ND | 1 | 0 | ND |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2014-06-26 | AC58241 | ND |
| 2014-06-26 | AC58292 | ND |
| 2015-03-18 | AC85049 | ND |
| 2016-07-06 | AD43159 | ND |
| 2017-07-27 | AD91120 | ND |
| 2017-07-27 | AD91195 | ND |
| 2018-07-10 | AE32832 | ND |
| 2019-11-07 | AE88939 | ND |