[Quantitative and qualitative investigation of industrial solid waste in industrial plants located between Tehran and Karaj]

Rapid population growth, industrial development, urbanization culture propagation and excessive material consumption are the most important factor which caused over increasing of municipal, industrial and agricultural waste in human society. Inappropriate disposal of generated waste in recent years created several environmental menace and crisis in human society. For investigation about existent situation of industrial waste generation questionnaire had been used. This questionnaire was catered by Iran environmental protection organization. Aforementioned questionnaire contained 45 questions about combination, quality and quantity of industrial waste. Total number of more than 50 personnel industry was 287. But sample contained 50 randomly selected industries. Gathered data have been analyzed with SPSS 18. Total generated industrial waste was 123451KG per day which had volume equal to 781 cubic meters per day. Generated waste capitation per every worker was 5.8 KG. Maximum frequency of industrial was related to machinery and equipment group which maximum generated waste was related to this industrial group too. Maximum hazardous waste was for inflammable waste with 34 weight percent. Major hazardous waste generating industrial was chemical and plastic making industry. Yielded result from this investigation has shown that significant relation existed between waste production rate and personnel number. The more personnel are, the more waste production increase