Sample	Aluminium concentration (ng m-3)	Iron concentration (ng m-3)	Dust concentration1 (ng m-3)	Iron solubility (%)
AeroSAZ-1	61.6 +/- 11.1	11.0 +/- 8.0	801 +/- 144	0.5
AeroSAZ-2	17.3 +/- 3.2	N/A2	225 +/- 42	N/A2
AeroSAZ-3	4.6 +/- 1.1	6.5 +/- 3.1	60 +/- 14	1.4
AeroSAZ-4	19.0 +/- 3.5	17.0 +/- 7.0	248 +/- 45	0.2
AeroSAZ-5	3.1 +/- 0.9	6.7 +/- 2.1	41 +/- 12	1.5
AeroSAZ-6	12.4 +/- 2.3	5.0 +/- 1.6	162 +/- 30	1.6
AeroSAZ-7	13.0 +/- 3.4	6.0 +/- 2.5	170 +/- 44	2.5
AeroSAZ-8	53.9 +/- 13.2	5.1 +/- 2.6	700 +/- 171	17.7