The Research Office “Apostolos Th. Tzirinis” Hydro has produced several studies both at the cemetery or subsurface disposal and at the watershed level.

• HYDROGEOLOGICAL STUDY REGION CEMETERIES ORMYLIAS.
• HYDROGEOLOGICAL STUDY FOR CEMETERY OF N. KALLIKRATEIAS.
• HYDROGEOLOGICAL STUDY FOR THE NEW CEMETERY OF N. MICHANIONAS.
• HYDROGEOLOGICAL STUDY BASIN MYGDONIAS.
• HYDROGEOLOGICAL STUDY WITHIN THE PROJECT: “DESIGN DESIGN AND APPLICATION, LIQUID WASTE HOTEL ARISTOTLE”.
• HYDROGEOLOGICAL STUDY WITHIN THE PROJECT: “DESIGN DESIGN AND APPLICATION, LIQUID WASTE HOTEL SONIA.”
• HYDROGEOLOGICAL STUDY WITHIN THE PROJECT: “DESIGN DESIGN AND APPLICATION, WASTE WATER CAMPING OURANOUPOLI”.
• HYDROGEOLOGICAL STUDY WITHIN THE PROJECT: “DESIGN DESIGN AND APPLICATION, LIQUID WASTE HOTEL AKRATHOS”.
• HYDROGEOLOGICAL STUDY WITHIN THE PROJECT: “DESIGN DESIGN AND APPLICATION, LIQUID WASTE HOTEL ANASTASIA».
• HYDROGEOLOGICAL STUDY WITHIN THE PROJECT: “DESIGN DESIGN AND APPLICATION, LIQUID WASTE HOTEL POSEIDON».
• HYDROGEOLOGICAL STUDY WITHIN THE PROJECT: “DESIGN DESIGN AND APPLICATION, WASTEWATER TREATMENT UNIT OLIVE VROSIMIS THE ARG. TSERVELI ‘.