Naphthalene
Norwalk First Taxing District
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 | ND | 1 | 0 | ND |
| 2020 | ND | 1 | 0 | ND |
| 2021 | ND | 1 | 0 | ND |
| 2022 | ND | 1 | 0 | ND |
| 2023 | ND | 1 | 0 | ND |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2018-05-08 | 214-14006VOC1 | ND |
| 2019-02-14 | 214-14546VOC1 | ND |
| 2020-09-10 | 214-16879VOC1 | ND |
| 2021-03-11 | 214-17912VOC1 | ND |
| 2022-02-09 | 214-19466VOC1 | ND |
| 2023-02-09 | 214-20843VOC1 | ND |