Occurrence of metals in vegetables and fruits from areas near landfill in Southern Italy and implications for human exposure

Table 3 Pb, Cd, total As and Hg in collected samples in fields: minimun and maximum concentration (mg kg^− 1), Average background value (mg kg^− 1), ADI (mg kg^− 1 per body weight per day), EDI (worst-case) (mg kg^− 1 per body weight per day) and the Metal daily quantity ingested respect to ADI (%); a) Szefer and Nriagu 2007; b) Van Paemel et al. 2010; c) WHO/SDE/WSH/03.04/74 2003 d); INRAN-SCAI 2005–06 2010; e) Leclercq et al. 2009

Metal	Material	Minimum concentration(*)	Maximum concentration(*)	Average background value^a	ADI^b,c	EDI(worst-case)^d,e	Metal daily quantity ingested respect to ADI (%)
LEAD	Pepper	LOD (0.010)	0.044	0.01–0.02	0.0036	0.000020	0.6
	Eggplant	LOD (0.010)	0.035			0.000040	1
	Lettuce	LOD (0.010)	0.027			0.000024	0.7
	Strawberry	LOD (0.010)	LOQ (0.020)			0.0000066	0.2
	Turnip greens	LOQ (0.020)	0.044			0.000022	0.6
CADMIUM	Pepper	LOD (0.0010)	0.020	0.006	0.0001	0.0000091	9
	Eggplant	LOQ (0.010)	0.026			0.000030	30
	Lettuce	LOQ (0.010)	0.019			0.000017	17
	Strawberry	LOD (0.0010)	LOQ (0.010)			0.0000033	3
	Turnip greens	LOQ (0.010)	0.027			0.000014	14
TOTAL ARSENIC	Pepper	LOQ (0.020)	0.029	0.003	0.005	0.000013	0.3
	Eggplant	LOQ (0.020)	0.031			0.000035	0.7
	Lettuce	LOQ (0.020)	0.020			0.000018	0.4
	Strawberry	LOQ (0.020)	0.044			0.000015	0.3
	Turnip greens	LOQ (0.020)	0.076			0.000039	0.8
MERCURY	Pepper	LOD (0.0050)	LOD (0.0050)	0.002	0.0016 () 0.0003 (*)	0.0000023	0.1
	Eggplant	LOD (0.0050)	LOD (0.0050)			0.0000058	0.4
	Lettuce	LOD (0.0050)	LOQ (0.010)			0.0000090	0.6
	Strawberry	LOD (0.0050)	LOD (0.0050)			0.0000017	0.1
	Turnip greens	LOD (0.0050)	LOQ (0.010)			0.0000051	0.3

(*) LOD: Limit of detection. LOQ: Limit of quantification. (**) ADI of Hg. (***) ADI of CH₃Hg

ISSN: 2196-2804