1. VOLATILE ORGANIC DISINFECTION BY PRODUCTS DETERMINATION IN DISTRIBUTION SYSTEM FROM CLUJ NAPOCA. Authors: MELINDA-HAYDEE KOVACS, DUMITRU RISTOIU, SIDONIA VANCEA, LUMINIŢA SILAGHI-DUMITRESCU.2. KINETIC MODEL FOR CHLORINE DECAY AND DISINFECTION BY-PRODUCTS FORMATION USING ABTS METHOD AND DPD METHOD. Authors: MELINDA-HAYDEE KOVACS, DUMITRU RISTOIU, SIDONIA VANCEA, LUMINIŢA SILAGHI-DUMITRESCU.3. SOURCE ZONE CHARACTERIZATION OF CHLORINATED SOLVENT CONTAMINATED SITES IN DEJ, ROMANIA. Authors: MELINDA-HAYDEE KOVACS, DUMITRU RISTOIU, SIDONIA VANCEA.