Naphthalene

City of Boerne

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.

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Samples

Samples exceeding legal limit (MCL)

Samples exceeding
health guidelines

Testing results - average by year

Year	Average result	Samples taken	Range of results
2013	N/A	0	N/A
2014	ND	4	ND
2015	ND	8	ND
2016	ND	14	ND
2017	ND	8	ND
2018	ND	8	ND
2019	ND	14	ND

ppb = parts per billion

All test results

Date	Lab ID	Result
2014-02-11	AC42296	ND
2014-02-11	AC42222	ND
2014-04-03	AC49258	ND
2014-07-14	AC59510	ND
2015-01-29	AC78561	ND
2015-01-29	AC78533	ND
2015-04-13	AC88003	ND
2015-04-13	AC88007	ND
2015-07-23	AD00753	ND
2015-07-23	AD00779	ND
2015-07-23	AD00763	ND
2015-07-23	AD00749	ND
2016-02-17	AD24073	ND
2016-02-17	AD23965	ND
2016-02-17	AD24076	ND
2016-04-20	AD33664	ND
2016-04-20	AD33666	ND
2016-04-20	AD33644	ND
2016-04-20	AD33646	ND
2016-07-22	AD45474	ND
2016-11-02	AD56269	ND
2016-11-02	AD56271	ND
2016-11-02	AD56272	ND
2016-11-02	AD56150	ND
2016-11-02	AD56140	ND
2016-11-02	AD56138	ND
2017-01-25	AD66826	ND
2017-01-25	AD66930	ND
2017-01-25	AD66830	ND
2017-04-04	AD78313	ND
2017-04-04	AD78327	ND
2017-04-04	AD78315	ND
2017-07-17	AD89534	ND
2017-07-17	AD89532	ND
2018-01-29	AE11092	ND
2018-01-29	AE10984	ND
2018-01-29	AE11034	ND
2018-05-01	AE24585	ND
2018-05-01	AE24587	ND
2018-05-01	AE24583	ND
2018-05-01	AE24581	ND
2018-08-14	AE36941	ND
2019-03-14	AE58514	ND
2019-09-17	AE83853	ND
2019-10-02	AE85514	ND
2019-10-02	AE85561	ND
2019-10-02	AE85566	ND
2019-10-02	AE85565	ND
2019-10-02	AE85564	ND
2019-10-02	AE85568	ND
2019-10-02	AE85567	ND
2019-10-02	AE85524	ND
2019-10-02	AE85516	ND
2019-10-02	AE85526	ND
2019-10-02	AE85522	ND
2019-10-02	AE85520	ND