1. THE HEAVY METALS IMPACT ON SURFACE WATER AND SOIL IN THE NON-SANITARY MUNICIPAL LANDFILL “PATA RÂT”- CLUJ NAPOCA. Authors: TIBERIU FRENTIU, ANTOANELA POPOVICI, ILDIKO VARGA, GABRIELA-EMILIA POPIŢA, RALUCA MARIANA HAŢEGAN.2. ECONOMIC SYNOPSIS ON CATHODE RAY TUBE IN WASTE ELECTRONICS RECYCLING. Authors: TIBERIU RUSU, GABRIELA-EMILIA POPIŢA, VALENTIN TOFANĂ, ANTOANELA POPOVICI.3. ENVIRONMENTAL CONSTRAINTS IMPOSED ON PLASTIC WASTE OF WEEE DISMANTLING MANAGEMENT. Authors: IRINA SMICAL, CRISTINA ROȘU, ANTOANELA POPOVICI, GABRIELA-EMILIA POPIŢA.4. CONDUCTOMETRIC TESTS AND TOTAL CHROMIUM LEACHABILITY IN AQUEOUS SOLUTION, FROM TANNED LEATHER WASTE. Authors: CRISTINA ROŞU, ANTOANELA POPOVICI, DORIN IOAN MANCIULA, GABRIELA-EMILIA POPIŢA.5. RECOVERY OF WASTE LEATHER FROM TANNERIES AS AGGREGATE IN COMPOSITE MATERIALS. Authors: GABRIELA-EMILIA POPIȚA, CRISTINA ROȘU, DORIN MANCIULA, OFELIA CORBU, ANTOANELA POPOVICI.