An improved adsorbent useful in removing contaminants from various hydrocarbon streams comprises a zeolite, an alumina and an added metal component provided in the adsorbent by initially contacting primarily the zeolite with the added metal. Armeniaca CCM 8242, obtained by fermentation of a nutrient broth containing carbohydrates and ammonia nitrogen, and 0. The index sheet 40 is fixedly held when the cover 15 of the storage case body 3 is closed. The interface circuit powers the first and second component light sources such that the solid state light source has a color point that is closer to the black body radiation curve than either the first or second color points.