#SUBSTANCE=Chait&#233;n ash
#DESCRIPTION=Ash from Chait&#233;n volcanic eruption in 2008
#REFERENCE=Ball, J. G. C., B. E. Reed, R. G. Grainger, D. M. Peters, T. A. Mather, and D. M. Pyle (2015), Measurements of the complex refractive index of volcanic ash at 450, 546.7, and 650 nm. J. Geophys. Res. Atmos., 120, 7747–7757.
#DOI=10.1002/2015JD023521
#FORMAT= WAVL N DN K DK
0.4500	1.508	0.01	0.000314	0.00012
0.5467	1.502	0.01	0.000508	0.00021
0.6500	1.499	0.01	0.000471	0.00018
