Naphthalene

Perkasie Regional Authority

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	11	ND
2015	ND	11	ND
2016	ND	11	ND
2017	ND	10	ND
2018	N/A	0	N/A
2019	N/A	0	N/A

ppb = parts per billion

All test results

Date	Lab ID	Result
2014-03-11	L2515685-1	ND
2014-03-11	L2515685-2	ND
2014-06-10	L5101092-11	ND
2014-06-10	L5101092-12	ND
2014-09-09	L5170431-1	ND
2014-09-09	L5170431-5	ND
2014-09-09	L5170431-4	ND
2014-09-09	L5170431-2	ND
2014-09-09	L5170431-3	ND
2014-12-09	L5292845-2	ND
2014-12-09	L5292845-1	ND
2015-03-10	12501661	ND
2015-03-10	12501715	ND
2015-06-09	12867650	ND
2015-06-09	12867704	ND
2015-09-08	13250298	ND
2015-09-08	13250244	ND
2015-09-08	13250190	ND
2015-09-08	13250082	ND
2015-09-08	13250136	ND
2015-12-08	13619673	ND
2015-12-08	13619619	ND
2016-03-08	13972770	ND
2016-03-08	13972718	ND
2016-06-07	14389087	ND
2016-06-07	14389035	ND
2016-09-13	14889589	ND
2016-09-13	14889641	ND
2016-09-13	14889485	ND
2016-09-13	14889537	ND
2016-09-13	14889433	ND
2016-12-06	15356047	ND
2016-12-06	15355995	ND
2017-03-07	15780153	ND
2017-03-07	15780101	ND
2017-06-06	16240778	ND
2017-06-06	16240726	ND
2017-09-05	16710991	ND
2017-09-05	16710939	ND
2017-09-05	16710887	ND
2017-09-05	16711043	ND
2017-12-05	17146834	ND
2017-12-05	17146782	ND