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العنوان
environmental geochemistry studies to assess the ecological risks of gold mining activities in egypt \
المؤلف
Ata, Ahmed Ali El-Sayed Mohamadeen.
هيئة الاعداد
باحث / Ahmed Ali El-Sayed Mohamadeen Ata
مشرف / Mobarak Hassany Aly
مشرف / Mohamed Gad Ahmed
مشرف / Mohamed Gad Ahmed
الموضوع
Chemical weapons disposal.
تاريخ النشر
2021.
عدد الصفحات
88 p. ;
اللغة
الإنجليزية
الدرجة
ماجستير
التخصص
علم البيئة
تاريخ الإجازة
1/1/2021
مكان الإجازة
جامعة مدينة السادات - معهد الدراسات والبحوث البيئية - Institute Surveying of Natural Resources in Environmental Systems Department
الفهرس
Only 14 pages are availabe for public view

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from 88

Abstract

For any industry to be successful it is to identify the Hazards to assess the associated ecological risks and to bring the risks to tolerable level. As the part of the study work, Environmental Measurements (Air, Water), hazard identification and risk analysis were carried out for Sukari Gold Mines (SGM) is located in the south-easterly region of the Eastern Desert of Egypt, The Air Quality Monitoring measurements and Noise Intensity levels were done for all SGM operations at 39 locations were evaluated in SGM by measuring the Risk and Hazards in different workplaces of the site. Particulate Matters (PM10), harmful gases such as carbon monoxide (CO), Sulfur dioxide (SO2), Nitrogen dioxide (NO2), Hydrogen cyanide (HCN), and ammonia (NH3) were measured at work and ambient environment. There are Seven 7 workplaces have noise levels greater than the Egyptian Environmental Low (EEL4/94)-8 hrs. Exposure Limits guideline. The highest noise levels were found in the Power Generators House (107 dB), Control measures to reduce noise levels are considered in these sites by using the PPE and decrease the exposure limits. The PM10 maximum measured value was at 4 locations. The greatest values were in underground area (4.6 mg/m3) are above EEL4/94 limits guideline. Reduction methods to PM10 have been applied to these sites such as water depression, and wear the suitable PPE. The concentrations of gases emissions were measured in 39 locations for different activities such as (CO, SO2, NO2, HCN and NH3) all results within EEL4/94 limits Guideline except (CIL TANKS 1&2) and in underground areas (1&2&3) the values of HCN are consider highly compared with its limits assigned by The EEL4/94. Control programs have to be implemented to reduce the concentrations of the Gasses emissions to the allowable limits. from the study carried out in the SGM and the Hazard Index and risk rating which was made and analyzed shows that 27 workplaces have Low Risk, 1 workplace have Medium Risk and 11 workplaces have high risk. In the other side, following an analysis and water assessment for boreholes near a Tailing Storage Facility (TSF) to track the effects of mining activities on ground water quality. The groundwater in the studied region belongs to the Na–K–Cl–SO4 and Ca–Mg–Cl–SO4 water class, according to the findings and results obtained. The effects of leaching evaporate deposit dissolution, and human activities in the research area are reflected in these compositions. So, the groundwater degradation may be caused by high mineralization processes induced by aquifer materials and seawater intrusion.