Naphthalene
Humphrey
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.
9
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 | 2 | 0 | ND |
| 2016 | ND | 2 | 0 | ND |
| 2017 | ND | 1 | 0 | ND |
| 2018 | ND | 2 | 0 | ND |
| 2019 | ND | 1 | 0 | ND |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2014-07-29 | 14212006901 | ND |
| 2015-03-30 | 15092000101 | ND |
| 2015-08-10 | 15225008101 | ND |
| 2016-07-18 | 16203008101 | ND |
| 2016-07-25 | 16210001701 | ND |
| 2017-07-17 | 17201000501 | ND |
| 2018-01-24 | 18025012407 | ND |
| 2018-07-30 | 18214000101 | ND |
| 2019-07-16 | 19199003301 | ND |