Physical and Chemical Components of Cuba’s Rain: Effects on Air Quality

Table 5

Enrichment factors of the elements present in rainwater collected in Cuba in the period of November 2008–October 2009.

Enrichment factors*
Station	Zn	Cu	Mn	Ba	Se	Co	Ni	Pb
Palma	7	1	0.03	0.3	—	—	—	—
Nuevitas	7	1	0.01	0.3	893	—	0.4	65
Contramaestre	1	1	0.01	0.2	—	—	—	—
P. Mayari	3	1	0.01	0.1	846	0.9	—	—
U. Oriente	1	0.4	0.01	0.1	—	—	—	—
G. Piedra	2	0.4	0.01	0.2	—	—	—	—
Guantanamo	1	2	0.03	0.1	663	0.7	—	—

*Enrichment factors > 7 indicate anthropogenic origin.