Table 3.

Limits of detection and lowest calibration standard.

	Cr	Ni	Cu	Zn	Cd	Sn	Pb
LOD (µg/g)	0.031	0.032	3.15	1.27	0.108	0.099	0.066
LSTD (µg/g)	0.025	0.025	2.00	1.00	0.100	0.100	0.100