1. Behavior of antibiotics in the environment
Maliwan Boonsaner

2. Evaluation of water resource situation in lam ta kong watershed
Saowanee Wijitkosum, Thavivongse Sriburi

3. Solidification of oyster shells used as cadmium ion removal material with portland cement
Chayapat Tabtong

4. Adsor ption of lead ions from synthetic wastewater using oyster shell
Chayapat Tabtong, Sinsupha JuiJuijerm

5. Effect of fish cage culture on water quality- a case study of chi river and yang river, roi et province
Prachyanee Triyuang, Somkiat Piyatiratitivorakul and Thavivongse Sriburi

6. Quality of wastewater from creaming process of skim natural rubber latex using hydroxypropyl methylcellulose
Jurairat Nitayapat. Surapich Loykulnant, Puttaruksa VaranusupakuI