Table 7.

Average metal concentrations found in sediments in Puerto Rico and Jamaica (μg/g)

Reference	Location	Environment	Cd	Cu	Cr	Ni	Mn	Pb	Zn	Fe*
This study	Río Espíritu Santo, PR	Riverine/Estuarine	0.18	122	48	5.2	464	37	76.3	5.9
Aldarondo-Torres et al. 2010	Jobos Bay, PR	Estuary	0.06	29	nm	nm	nm	11	64	2.6
Apeti et al. 2012	Jobos Bay, PR	Estuary	0.01	34.4	18.4	11.1	510	7.3	55	2.6
Pait et al. 2008	La Parguera, PR	Nearshore, Marine	0.1	5.21	31.2	26.6	109	1.93	7.99	5.2
Aceve do-Figueroa et al. 2006	San José Lagoon, PR	Estuary	1.8	105	nm	nm	nm	219	531	3.9
	Joyuda Lagoon, PR	Estuary	0.1	22	nm	nm	nm	7.6	52	4.9
Whitall et al. 2014	Guanica Bay, PR	Nearshore, Marine	0.02	29.18	286.46	228.71	470	6.08	46.71	2.7
Jaffe et al. 2003	Montego Bay, Jamaica	Bay	5.4	44.3	22.4	16.8	nm	30.5	59.6	nm

nm = not measured

^*values are represented as a percentage