Know Your Environment. Protect Your Health.

Naphthalene

City of Hallettsville

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.

 

30

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND60ND
2019ND40ND
2020ND40ND
2021ND80ND
2022ND40ND
2023ND40ND

ppb = parts per billion

All test results

Date Lab ID Result
2018-09-19AE40773ND
2018-09-19AE40775ND
2018-09-19AE40872ND
2018-09-19AE40873ND
2018-09-19AE40874ND
2018-09-19AE40759ND
2019-08-22AE80246ND
2019-08-22AE80356ND
2019-08-22AE80242ND
2019-08-22AE80240ND
2020-05-19AF11753ND
2020-05-19AF11755ND
2020-05-19AF11757ND
2020-05-19AF11773ND
2021-06-10AF57493ND
2021-06-10AF57609ND
2021-06-10AF57601ND
2021-06-10AF57600ND
2021-06-10AF57525ND
2021-06-10AF57491ND
2021-07-27AF63450ND
2021-11-03AF75593ND
2022-08-04AG07869ND
2022-08-04AG07873ND
2022-08-04AG07875ND
2022-08-04AG07973ND
2023-03-06AG31685ND
2023-03-06Q2309810001ND
2023-03-06Q2309810003ND
2023-03-06Q2309810005ND