Official State of New York - Emissions Inspection Station NYMA-Downstate Counties. Colors: Yellow/Black Size: Double-Sided, 36 x 24 with rounded safety corners and four corner-holes for hanging or wall-mounting. Material: 22 gauge zinc-coated bonderized steel. 4 sets of Self-adhesive vinyl numbers for station identification included with each sign. Inspection signs have a durable baked enamel finish.