Know Your Environment. Protect Your Health.

Naphthalene

Rainier Terrace

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.

 

5

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

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

ppb = parts per billion

All test results

Date Lab ID Result
2018-04-03ND
2019-04-18ND
2021-03-024166778ND
2022-04-144274429ND
2023-09-214526139ND