Coastal Sediment Table 1

Table 1. Results from coastal sediment samples collected by DOH during May 2024, in milligrams per kilogram (mg/kg).

Parameters	DOH EAL: Commercial/ Industrial Direct Exposure1	DOH EAL: Unrestricted Soil1	Hanakao’o Park	Mala Wharf	Puunoa (Baby) Beach2					Kamehameha Iki Park	Shark Pit - Puamana	Launiupoko Beach	Launiupoko Beach Surf Break	Olowalu Surf Break	Kahekili (Airport) Beach2
Aluminum	—	—	5640	14300	5990	5570	5480	5070	12000	9900	8300	6230	3200	3120	2980
Antimony	82	6.3	ND	ND	ND*	ND	ND	ND	ND	ND	ND	ND	ND*	ND*	ND*
Arsenic	95	24	17.8	13.1	21.1	18.8	17.4	13.4	24.2	22.8	22.2	6.42	15.5	17.4	20.8
Barium	2500	1000	7.09	7.24	5.85	5.8	5.92	5.21	8.46	5.91	6.27	4.46	6.13	5.88	6.57
Beryllium	150	31	ND	ND*	ND	ND	ND	ND	ND	ND	ND	ND*	ND	ND	ND
Cadmium	19	17	ND	ND	ND	ND	ND	ND	ND	ND	ND	ND	ND	ND	ND
Chromium	1100	1100	23.8	43.5	20.3	16.3	14.9	39.7	39.9	39	27.8	39.2	13.4	14.5	17.1
Cobalt	80	80	13.5	21.6	9.85	7.19	6.88	19.6	15	20.1	14.8	21.3	4.58	5.09	6.29
Copper	2500	630	8.36	27.5	15.3	8.39	9.23	10.9	19.7	21.6	17.5	20.3	2.9	3.66	3.06
Iron	—	—	16700	30000	14600	12600	13800	26200	26200	29500	22800	27700	8920	8600	9080
Mercury	61	4.7	ND	ND	ND	ND	ND	ND	ND	ND	ND	ND	ND	ND*	ND*
Molybdenum	1000	78	ND*	ND*	ND*	ND*	ND*	ND	ND	ND	ND	ND*	ND*	ND*	ND*
Nickel	410	410	156	194	107	70.6	59.3	244	94.5	160	121	237	54.5	57.6	74.8
Lead	800	200	1.6	4.17	4.78	4	4.08	2.27	2.23	2.37	1.9	1.22	ND*	ND*	1.22
Selenium	1000	78	1.23	1.97	1.41	1.26	1.32	1.44	2.3	2.54	2.1	1.72	ND*	ND*	ND*
Silver	1000	78	ND	ND	ND	ND	ND	ND	ND	ND	ND	ND	ND	ND	ND
Titanium	—	—	785	2080	866	789	760	911	1880	1570	1390	1210	403	375	356
Thallium	10	0.78	ND	ND	ND	ND	ND	ND	ND	ND	ND	ND	ND	ND	ND
Vanadium	770	770	30.3	72.1	31.9	26.4	28.9	34.4	65.9	74.1	60	45.7	ND*	ND*	ND*
Zinc	2500	1000	22.6	54.8	29.1	23.7	24.2	30.2	34.1	41.7	32.5	37	11	11.9	13.5