identification, classification and management of industrial hazardous waste in ardabil province

Hazardous waste is generated by numerous industrial, commercial, agricultural and even domestic sources. the dangers of these wastes can vary depending on their types and environmental conditions and various short-term and long-term effects ranging from acute to chronic are expected. this study was carried out in regard to health and economic considerations and to create motivation for conducting studies to identify industrial hazardous waste which plays an important role in growing trend of country's industry. in this research, we selected 51 important industrial units of ardebil province and data were collected through questionnaires, interviews with the units’ authorities and referring to available documents. the information contained the types and amount of waste, temporary storage method, discharge frequency, final disposal method, and the status of recycling and reuse. the results obtained from data analysis without considering uncontrolled industrial wastewater show the annual production of approximately 2,010,265 tons of waste; of which about 1502 tons (according to available list in the basel convention) is classified as hazardous waste and about 12.42% of this type of waste as toxic. the share of liquid and solid physical states of the waste is respectively 59.87%, 13.77%. it should be noted that there is no temporary storage for about 20.29% of this waste. reviewing the final disposal method indicates that about 28.66% of hazardous waste is discharged into the environment without any control.