Know Your Environment. Protect Your Health.

Naphthalene

Pierce, City of

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.

 

7

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND10ND
2019N/A00N/A
2020ND20ND
2021ND10ND
2022ND10ND
2023ND20ND

ppb = parts per billion

All test results

Date Lab ID Result
2018-06-19541776ND
2020-12-01703338ND
2020-12-01703337ND
2021-06-14729276ND
2022-10-03829488ND
2023-12-04891621ND
2023-12-04891620ND