Official Standard for the Use and Meaning of Colour Schemes for Safety Signs Jurisdiction Costa Rica Year 1981 Published in Spanish Original/other title [Spanish] Norma oficial para la utilización de colores de seguridad y su simbología [Costa Rica] Source Consejo de Salud Ocupacional, San José, Costa Rica, 1990. 19p. Illus. Also in: La Gaceta, 16 July 1981. Serial number Decreto No.12715-MEIC Descriptors [Primary] Costa Rica, danger symbols, hazard identification, safety colours [Secondary] UN, dangerous substances, standard Subject category General safety, health and conditions of work Abstract Official Standard with legal force, issued 15 June 1981. It covers the use of safety colours: red for danger, immediate cessation of activity and fire hazards; orange for alerting dangerous machine parts and electrical hazards; yellow for alert signs, moving equipment, obstructions, projections, stairs etc.; yellow with black borders for barriers, unprotected openings in the ground etc.; green for first-aid boxes, machine guards, cabinets for gas masks, safety showers, interrupt buttons; blue for lifts, tanks, boilers, electrical controls, valves, mobile scaffolds, ladders, compressors; violet for radioactive substances; white, gray or black for general-purpose signs. A different meaning will be assigned to colours associated with substances carried or contained in piping and containers. The UN scheme for marking the transport of dangerous merchandise is also adopted. CIS No. 95-1929 Database ID 65648