Table 7. Reflectance of Char, Furnace Bottom Ash and Fly Ash from the La Cabaña Sugar Mill and Furnace Bottom Ash and Fly Ash from the Mayagüez Sugar Mill.

	La Cabaña furnace bottom ash	La Cabaña char 1	La Cabaña char 2	La Cabaña fly ash	Mayagüez furnace bottom ash	Mayagüez fly ash
average	6.50	6.02	6.69	6.55	6.09	6.20
minimum	4.98	4.15	5.12	4.62	3.73	4.39
maximum	10.06	7.96	8.08	8.66	9.43	8.83
SD	1.203	0.855	0.838	1.003	1.468	1.261