Know Your Environment. Protect Your Health.

Naphthalene

El Dorado Utility 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.

 

27

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND40ND
2019ND40ND
2020ND40ND
2021ND50ND
2022ND60ND
2023ND40ND

ppb = parts per billion

All test results

Date Lab ID Result
2018-05-23AE27494ND
2018-05-23AE27592ND
2018-05-23AE27595ND
2018-05-23AE27472ND
2019-11-07AE88917ND
2019-11-07AE88949ND
2019-11-07AE88974ND
2019-11-07AE88975ND
2020-09-03AF26496ND
2020-09-03AF26498ND
2020-09-03AF26556ND
2020-09-03AF26557ND
2021-07-28AF63803ND
2021-07-28AF63895ND
2021-07-28AF63879ND
2021-07-28AF63797ND
2021-11-01AF75259ND
2022-02-18AF85728ND
2022-02-18AF85729ND
2022-03-25AF90742ND
2022-03-25AF90744ND
2022-05-23AF98024ND
2022-08-23AG10530ND
2023-06-29AG46796ND
2023-06-29AG46798ND
2023-06-29AG46876ND
2023-06-29AG46877ND