Table 4.

Aspiration efficiency by sampler orientation and particle bounce condition

	0° down (entrance perpendicular to horizon)				30° down (entrance tilted 30 below the horizon)				Single pore, 30° down
Aerodynamic diameter (μm)	Bounce: all surfaces (%)	No bounce from outside of cassette (%)	No bounce except at pore walls (%)	No bounce: all surfaces (%)	Bounce: all surfaces (%)	No bounce from outside of cassette (%)	No bounce except at pore walls (%)	No bounce: all surfaces (%)	Bounce: all surfaces (%)
6	100	100	59	59	100	100	58	59	99
12.5	102	102	40	34	101	101	41	35	99
25	102	102	38	23	98	97	34	20	96
50	98	98	31	12	90	82	27	10	88
75	92	92	25	8	62	55	16	5	65
90	85	84	20	5	47	39	12	2	48
100	76	75	18	3	32	27	8	1	33