References (you will find also close to each reference the language spoken by each referee):

ICRO srl Compost center - Mr. Pino Pisciella

C.da Tre Ciminiere - Valle Piomba, 5 - 64032

Atri (TE) - 085******** (ITALIAN)

Agr. Emanuele Pierannunzi

Via Banfile - 64100 - Teramo - Abruzzo - Italy

President of the Professional Agriculture Technicians Trade Union of Teramo

acd41j@r.postjobfree.com - +39-340******* (ITALIAN)

Dott. Pasquale Pavone

Via A.S. Battistelli - 64032 - Atri - Teramo - Abruzzo - Italy

Biologist - Oleificio Pavone (Olive oil factory - wastes manager)

acd41j@r.postjobfree.com - +39-347******* (ITALIAN)

Prof. Ester Foppa Pedretti / Prof. Giovanni Riva / Prof. Giuseppe Toscano

Università Politecnica delle Marche - Via Monte Dago - Ancona - Marche - Italy

Professor final work - acd41j@r.postjobfree.com - +39-0712201 (ENGLISH)

Silvia Staffa Committee of the Regions - EU institution - Bruxelles 1000 - Belgium acd41j@r.postjobfree.com

EMAS ISO 9001 Project manager - Infrastructure unit 003*-****-**** (English-French-Italian-Spanish-Dutch)