The iron-catalysed surface reactivity and health-pertinent physical characteristics of explosive volcanic ash from Mt. Etna, Italy

Table 4 Health-pertinent particle size data (cumulative volume %)

Sample #	< 1 μm	< 2.5 μm	< 4 μm	< 10 μm
INGV_1	0.00	0.33	0.83	2.40
INGV_2	0.00	0.00	0.00	0.00
INGV_3	0.00	0.00	0.00	0.00
INGV_4	0.00	0.01	0.20	0.87
INGV_5	0.00	0.17	0.57	1.66
INGV_6	0.00	0.00	0.00	0.00
INGV_7	0.00	0.00	0.00	0.00
INGV_8	0.00	0.04	0.30	1.42
CdF_1	0.00	0.16	0.46	1.51
CdF_2	0.61	1.71	2.76	6.58
CdF_3	0.50	1.37	2.13	5.10
CdF_4	0.25	0.80	1.33	3.40
CdF_5	1.38	2.90	4.24	10.79
CdF_6	1.51	3.51	5.20	11.47
CdF_7	0.51	1.12	1.75	4.44
CdF_8	0.61	1.85	2.95	6.86
ETNA4/11/02^a	0.27	1.09	1.83	4.59
MON5/6/99^a	1.94	6.74	10.7	23.1
CER30/11/95^a	0	0.22	0.64	2.55
PIN4/7/91^a	1.33	6.18	9.82	18.93

ISSN: 2191-5040