Characterization and control of waste. Sampling studies, sizing and R & D + i URBASER Comprehensive control of the environmental items (water, air, and waste) at the UTE (Joint Venture) La Paloma and UTE La Paloma-Bio sorting plant. Characterization and analytical control of different process samples of the UTE La Paloma Bio. Characterization and control of incoming light packaging and municipal waste at the UTE La Paloma. Dimensioning and characterization with comparison of trommel screen results at the Las Dehesas sorting plant. Comparison of packaging characterization results for Madrid City Council at the Valdemingomez Complex. R&D&i project, feasibility and efficiency of the implementation of optical separators at the Bio-Pinto plant. R&D&i project to ascertain the feasibility and efficiency of different samples from Tirmadrid and UTE La Paloma of the 15-60 fraction. Sampling, analysis and characterization. Characterization of different samples of compost refinement, rejects and silica measurements to study and improve biomethanation process at the Waste Plant Sampling, characterization and particle size differentiation of material arriving at the Alcalá de Henares controlled landfill. Performance and operation study and physicochemical analysis of different samples of the production process at the Meruelo incineration plant (TIR CANTABRIA).