Naphthalene
Arlington Waterworks
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.
6
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 |
|---|---|---|---|---|
| 2018 | ND | 1 | 0 | ND |
| 2019 | N/A | 0 | 0 | N/A |
| 2020 | ND | 1 | 0 | ND |
| 2021 | ND | 1 | 0 | ND |
| 2022 | N/A | 0 | 0 | N/A |
| 2023 | 0.247 ppb | 3 | 1 | ND - 0.740 ppb |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2018-05-17 | 122505 | ND |
| 2020-06-25 | 438508 | ND |
| 2021-05-12 | 1253528 | ND |
| 2023-04-19 | 1314808 | ND |
| 2023-08-10 | 1358937 | ND |
| 2023-10-11 | 1383167 | 0.740 ppb |