Naphthalene
City of Willis
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.
22
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 | 5 | 0 | ND |
| 2016 | ND | 4 | 0 | ND |
| 2017 | ND | 3 | 0 | ND |
| 2018 | ND | 5 | 0 | ND |
| 2019 | ND | 4 | 0 | ND |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2014-01-22 | AC39831 | ND |
| 2015-07-20 | AD00179 | ND |
| 2015-07-20 | AD00177 | ND |
| 2015-10-07 | AD09870 | ND |
| 2015-10-07 | AD09869 | ND |
| 2015-10-07 | AD09803 | ND |
| 2016-05-10 | AD36223 | ND |
| 2016-05-10 | AD36113 | ND |
| 2016-05-10 | AD36111 | ND |
| 2016-05-10 | AD36139 | ND |
| 2017-02-28 | AD72480 | ND |
| 2017-02-28 | AD72450 | ND |
| 2017-02-28 | AD72494 | ND |
| 2018-03-20 | AE19142 | ND |
| 2018-03-20 | AE19141 | ND |
| 2018-03-20 | AE19084 | ND |
| 2018-03-20 | AE19046 | ND |
| 2018-07-05 | AE32438 | ND |
| 2019-05-09 | AE65699 | ND |
| 2019-05-09 | AE65800 | ND |
| 2019-05-09 | AE65703 | ND |
| 2019-05-09 | AE65701 | ND |