Naphthalene
Cypress Hill Municipal Utility District 1
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.
17
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 | 10 | 0 | ND |
| 2018 | ND | 2 | 0 | ND |
| 2019 | ND | 2 | 0 | ND |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2014-07-17 | AC60108 | ND |
| 2015-05-05 | AC90540 | ND |
| 2016-11-17 | AD58591 | ND |
| 2017-01-26 | AD67331 | ND |
| 2017-01-26 | AD67330 | ND |
| 2017-01-26 | AD67209 | ND |
| 2017-01-26 | AD67167 | ND |
| 2017-04-18 | AD79972 | ND |
| 2017-04-18 | AD80029 | ND |
| 2017-07-25 | AD90681 | ND |
| 2017-07-25 | AD90601 | ND |
| 2017-12-13 | AE07722 | ND |
| 2017-12-13 | AE07656 | ND |
| 2018-08-13 | AE36662 | ND |
| 2018-08-13 | AE36654 | ND |
| 2019-11-06 | AE88717 | ND |
| 2019-11-06 | AE88715 | ND |