| Table of Contents |   | 
Articles
| ISOLATION AND CHARACTERIZATION OF CRUDE OIL DEGRADING BACILLUS SPP. |     | 
| A. Akhavan Sepahi, I. Dejban Golpasha, M. Emami, A. M. Nakhoda | Pages: 149-154 | 
| ASSESSMENT OF GROUNDWATER QUALITY IN SUNAMGANJ OF BANGLADESH |     | 
| F. Raihan, J. B. Alam | Pages: 155-166 | 
| DETERMINATION OF TOTAL ANTIOXIDANT CAPACITY OF GREEN TEAS BY THE FERRIC REDUCING/ANTIOXIDANT POWER ASSAY |     | 
| M. Hajimahmoodi, M. Hanifeh, M. R. Oveisi, N. Sadeghi, B. Jannat | Pages: 167-172 | 
| EVALUATION OF TOXICITY OF HEAVY METALS FOR ESCHERICHIA COLI GROWTH |     | 
| N. Kalantari, S. Ghaffari | Pages: 173-178 | 
| ANALYTICAL APPROACH FOR PREDICTING BIOGAS GENERATION IN A MUNICIPAL SOLID WASTE ANAEROBIC DIGESTER |     | 
| S. J. Ojolo, A. I. Bamgboye, B. S. Ogunsina, S. A. Oke | Pages: 179-186 | 
| ASSESSMENT OF BAGGING OPERATORS EXPOSURE TO WITH PVC AIRBORNE PARTICULATES |     | 
| H. Asilian, M. Nasseri Nejad, S. B. Mortazavi, M. J. Jafari, A. Khavanin, A. R. Dehdashti | Pages: 187-194 | 
| REMOVAL OF LEAD AND CHROMIUM FROM AQUEOUS SOLUTION BY BACILLUS CIRCULANS BIOFILM |     | 
| A. Khanafari, S. Eshghdoost, A. Mashinchian | Pages: 195-200 | 
| EFFECTS OF EXPOSURE TO PORTLAND CEMENT DUST ON LUNG FUNCTION IN PORTLAND CEMENT FACTORY WORKERS IN KHASH, IRAN |     | 
| R. Mirzaee, A. Kebriaei, S. R. Hashemi, M. Sadeghi, M. Shahrakipour | Pages: 201-206 | 
| HOUSE DUST MITE CONTAMINATION IN HOTELS AND INNS IN BANDAR ABBAS, SOUTH OF IRAN |     | 
| M. Soleimani, J. Rafinejad | Pages: 207-210 | 
| STUDY ON WASTEWATER TREATMENT SYSTEMS IN HOSPITALS OF IRAN |     | 
| M. Majlesi Nasr, A. R. Yazdanbakhsh | Pages: 211-215 |