TITULOS ORIGINALES:
-GTC 86: Guide for implementing integral waste management
-GTC 53-2: Environmental management. Solid wastes
-GTC 53-3: Environmental management. Solid wastes. Guide for the use of glass bottles
-GTC 53-4: Environmental management. Solid wastes. Guidelines for paper and paperboard recycling
-GTC 53-5: Environmental management. Solid wastes. Guidance for metallic waste use
-GTC 53-6: Environmental management. Solid wastes. Guidance for use of paper and paperboard wastes composite with other materials
-GTC 53-7: Guidelines for using non-hazard-ous organic solid wastes
-GTC 53-8: Guide for the minimization of the environmental impacts of packaging wastes
