Table 1.

Total elemental concentration (μg/g) in dry geogenic dust from CBN 3.

Mediana	Al	V	Cr	Mn	Fe	Co	Cu	Zn	As	Sr	Cd	Sb	Cs	Tl	Pb	U	Si
4.1	59,993	62	44	552	28,564	11	32	94	17	328	<0.47	<3.0	9.3	<8.3	23	2.2	202,660

< indicates value is below method quantitation limit (MQL) and that value presented is MQL.

Data are reported with a maximum of three significant figures.

^aMedian diameter (μm).