Naphthalene
Marked Tree 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.
10
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 | 3 | 0 | ND |
| 2019 | ND | 1 | 0 | ND |
| 2020 | ND | 1 | 0 | ND |
| 2021 | ND | 3 | 0 | ND |
| 2022 | ND | 1 | 0 | ND |
| 2023 | ND | 1 | 0 | ND |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2018-01-22 | 18025011601 | ND |
| 2018-07-17 | 18200002007 | ND |
| 2018-10-31 | 18305000507 | ND |
| 2019-01-28 | 19031000601 | ND |
| 2020-01-28 | 20030006301 | ND |
| 2021-01-26 | 21028011501 | ND |
| 2021-09-08 | 21253000507 | ND |
| 2021-12-08 | 21343003407 | ND |
| 2022-02-01 | 22033011901 | ND |
| 2023-01-10 | O204951-VOC-1 | ND |