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A STUDY OF CHANGES IN VENTILATORY CAPACITY OF WORKERS EMPLOYED IN VEGETABLE OIL REFINERES IN TEHRAN
CHANGES VENTILATORY CAPACITY WORKERS EMPLOYED VEGETABLE OIL REFINERES TEHRAN
2010/1/4
Lung function tests were performed in 122 workers of vegetable oil refineries in Tehran area. The results show an increase in respiratory impairment with age and length of exposure. Among the four ind...
APPLICATION OF PACT SYSTEM TO INCREASE TEHRAN OIL REFINERY EFFLUENT TREATMENT EFFICIENCY
Refinery effluent treatment Oil refinery waste water PACT process (Simultaneous activated sludge and powdered activated carbon system)
2010/1/4
This research was done in order to determine the basic criteria for “Tehran Oil Refinery Effluemt TreatmentUnit” to prove the feasibility of the application of powdered activated carbon in aeration zo...
TRIHALOMETHANES IN THE DRINKING WATER OF TEHRAN
Disinfection By-Products Halogenated Organics
2010/1/4
Natural sources of water contain some halogenated organic compounds after disinfection by chlorine. Trihalomethanes are one group of the chlorination by products that suspected of being carcinogenic i...
MICROBIOLOGICAL AND SOME CHEMICAL APPRAISAL OF OUTDOOR PUBLIC SWIMMING POOLS IN TEHRAN,IRAN
Swimming pools Bathing water Chemistry swimming pools criteria
2009/12/31
In order to determine the hygiene indices of bathing water, and it's water quality, a survey and laboratory analysis was recently undertaken on 34 outdoor public swimming pools out of a total 126 in T...
MOTTLED ENAMEL IN A MILITARY EDUCATIONAL CENTER IN TEHRAN
Mottled enamel Military educational of center Fluoride of water
2009/12/31
A survey of mottled enamel in a military educational center in Karaj area of metropolitan Tehran was conducted from August to September 1978, on a population of 1789 student, aged 18-23 gathered from ...
SEASONAL CHANGES OF VITAL SIGNS IN RELATION TO THE WORKING THERMAL CONDITIONS AMONG WORKERS OF TEHRAN BAKERIES
Vital signs Thermal condition temperature
2009/12/30
The purpose of this study was to determine the seasonal changes of vital signs (body temperature, pulse rate and blood pressure) in relation to the working thermal conditions. In this study a total nu...
INVESTIGATION ON THE AFLATOXIN CONTAMINATION OF MILK IN TEHRAN AREA
INVESTIGATION AFLATOXIN CONTAMINATION MILK TEHRAN AREA
2009/12/30
In this survey Aflatoxin contamination of fifty two samples of raw milk and nine samples of commercial milk were determined by T.L.C. Method. The results showed that 92.31% of the samples of raw milk ...
A SURVEY ON LEAD ABSORPTION IN THE EMPLOYEES OF TEHRAN BATTERY WORKSHOPS
Lead absorption Battery workshops
2009/12/30
A total number of 67 workers of Teheran battery workshops were investigated for probable lead absorption due to the working with lead storage batteries. Twenty workers with other occupations were sele...
A PRELIMINARY STUDY OF LEAD DEPOSITION ON PLANT LEAVES IN TEHRAN
Lead aerosol plant leaves Pb
2009/12/30
Fifty-nine samples of washed and unwashed leaves of 4 species of plants in Tehran and 24 similar samples of the suburb (as control) were analyzed for Pb content. A significant difference was seen betw...
A SURVEY ON TEHRAN ATMOSPHERIC POLUTANTS PARTICULATE MATTER & SULFUR DIOXIDE
Atmosphere Dust fall Index of particles
2009/12/30
Particulate matters commonly found dispersed in the atmosphere are composed of a large variety of substances. Dustfall is the usual index of particles in the size range greater than 10 M. Two Semi aut...
A SURVEY ON ENVIRONMENTAL HEALTH CONDITION IN DISTRICT OF KANN,TEHRAN,IRAN
Descriptive exploratory survey TEHRAN IRAN
2009/12/30
In the first half of year 1972 a descriptive exploratory survey was done on 75 selected households in District of Kann comprising 589 people. Selection was carried out by simple random sampling withou...
CHEMICAL QUALITY CHARACTERISTICS OF TEHRAN GROUND WATER
Ground wate Chemical quality characteristics
2009/12/30
For better understanding of Tehran ground water, samples were taken randomly from 340 out of 655 deep & semi deep wells in 1993, which dug by Tehran Water Supply and Sewage Engineering Company. 260 Wa...
SURVEY OF HEAVY METALS IN THE WASTEWATER OF A CANAL AFTER IRRIGATION OF VEGETABLE FARMS IN SOUTH OF TEHRAN
HEAVY METALS WASTEWATER CANAL IRRIGATION TEHRAN
2009/12/30
The overall objectives of this study have been, 1). To review the existing literature in order to evaluate observations of significant quantifiable health erects on population exposed through occupati...
Hazards of soluable hexa and trivalent chromium have been documented by many investigators. But there was no information regarding safety of about 5000 workers at exposure risk to chromium in 600 prim...
AN INVESTIGATION OF OXIDES OF NITROGEN IN METROPOLITAN TEHRAN
INVESTIGATION OXIDES NITROGEN METROPOLITAN TEHRAN
2009/12/30
Planning of air pollution control programs need knowledge of pollutants emitting sources; the Department of Environmental Health, School of Public Health, Tehran University, performed an air monitorin...