Naphthalene
City of Hewitt
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.
29
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 |
|---|---|---|---|---|
| 2012 | ND | 6 | 0 | ND |
| 2013 | ND | 1 | 0 | ND |
| 2014 | ND | 1 | 0 | ND |
| 2015 | ND | 7 | 0 | ND |
| 2016 | ND | 7 | 0 | ND |
| 2017 | ND | 7 | 0 | ND |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2012-01-12 | AB77664 | ND |
| 2012-01-12 | AB77669 | ND |
| 2012-01-12 | AB77666 | ND |
| 2012-01-12 | AB77665 | ND |
| 2012-01-12 | AB77668 | ND |
| 2012-01-12 | AB77667 | ND |
| 2013-02-12 | 1302396002 | ND |
| 2014-01-14 | AC38665 | ND |
| 2015-03-23 | AC85765 | ND |
| 2015-03-23 | AC85762 | ND |
| 2015-03-23 | AC85763 | ND |
| 2015-03-23 | AC85649 | ND |
| 2015-03-23 | AC85645 | ND |
| 2015-03-23 | AC85655 | ND |
| 2015-10-28 | AD12063 | ND |
| 2016-01-20 | AD19069 | ND |
| 2016-01-20 | AD19012 | ND |
| 2016-01-20 | AD19002 | ND |
| 2016-04-06 | AD32184 | ND |
| 2016-04-06 | AD32129 | ND |
| 2016-07-13 | AD44165 | ND |
| 2016-10-12 | AD53228 | ND |
| 2017-02-06 | AD69387 | ND |
| 2017-04-03 | AD78087 | ND |
| 2017-05-02 | AD82274 | ND |
| 2017-07-19 | AD90034 | ND |
| 2017-10-09 | AD99924 | ND |
| 2017-10-09 | AD99814 | ND |
| 2017-10-31 | AE03236 | ND |