Naphthalene
City of Castroville
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.
20
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 | 4 | 0 | ND |
| 2020 | ND | 3 | 0 | ND |
| 2021 | ND | 3 | 0 | ND |
| 2022 | ND | 4 | 0 | ND |
| 2023 | ND | 3 | 0 | ND |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2018-03-28 | AE20680 | ND |
| 2018-03-28 | AE20731 | ND |
| 2018-03-28 | AE20664 | ND |
| 2019-06-18 | AE71110 | ND |
| 2019-06-18 | AE71116 | ND |
| 2019-06-18 | AE71220 | ND |
| 2019-06-18 | AE71225 | ND |
| 2020-01-28 | AE95679 | ND |
| 2020-01-28 | AE95685 | ND |
| 2020-01-28 | AE95805 | ND |
| 2021-06-28 | AF59673 | ND |
| 2021-06-28 | AF59761 | ND |
| 2021-06-28 | AF59675 | ND |
| 2022-02-08 | AF83711 | ND |
| 2022-02-08 | AF83715 | ND |
| 2022-02-08 | AF83794 | ND |
| 2022-02-08 | AF83796 | ND |
| 2023-03-28 | AG34417 | ND |
| 2023-03-28 | AG34419 | ND |
| 2023-03-28 | AG34540 | ND |