Know Your Environment. Protect Your Health.

Dibenz[a,h]anthracene

City of Shavano Park

Dibenz[a,h]anthracene is a polycyclic aromatic hydrocarbon, or PAH, released from combustion of fossil fuels and waste incinerators. PAHs increase the risk of cancer; damage the immune, nervous and reproductive systems; and can harm developing fetuses.

 

15

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND10ND
2019ND30ND
2020ND20ND
2021ND10ND
2022ND50ND
2023ND30ND

ppb = parts per billion

All test results

Date Lab ID Result
2018-03-02AE16783ND
2019-04-03AE61106ND
2019-04-03AE61107ND
2019-04-03AE61108ND
2020-02-24AE99608ND
2020-05-15AF11951ND
2021-02-23AF44017ND
2022-03-09AF88498ND
2022-03-09AF88499ND
2022-03-09AF88501ND
2022-06-21AG01786ND
2022-09-27AG15096ND
2023-03-16AG33423ND
2023-06-22AG45704ND
2023-06-22AG45705ND