1. LEGISLATIVE IMPLICATIONS OF MINE CLOSURE IN ROMANIA. Authors: SIMONA AVRAM, TIBERIU RUSU, AGNES ALEXANDRA KERI.2. IMMOBILIZED POLYPHENOLOXIDASE FOR WASTEWATERS TRATEMENT. Authors: CECILIA ROMAN, TIBERIU RUSU, SIMONA MARIANA SIMON, EMIL LUCA, MARIUS ROMAN, MIRCEA CHINTOANU, GABRIEL KATONA, CORNELIA MAJDIK.3. PHENOL REMOVAL FROM WASTEWATERS USING POLYPHENOLOXIDASE FROM POTATO. Authors: CECILIA ROMAN, TIBERIU RUSU, SIMONA MARIANA SIMON, EMIL LUCA, MARIUS ROMAN, MIRCEA CHINTOANU, GABRIEL KATONA, CORNELIA MAJDIK.4. ECONOMIC SYNOPSIS ON CATHODE RAY TUBE IN WASTE ELECTRONICS RECYCLING. Authors: TIBERIU RUSU, GABRIELA-EMILIA POPIŢA, VALENTIN TOFANĂ, ANTOANELA POPOVICI.5. QUALITATIVE ANALYSIS OF FILTERS FOR THE MECHANICAL NANOFILTRATION OF HOUSEHOLD DRINKING WATER. Authors: OANA-ADRIANA CRIȘAN, MARIUS SORIN PUSTAN, CORINA JULIETA BÎRLEANU, ANCUȚA ELENA TIUC, IOANA SUR, HOREA-GEORGE CRIȘAN, FLORINA MARIA ȘERDEAN, LAZĂR FLĂMÎND, TIBERIU RUSU.