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Synthetic chemicals used in mining operations: a proposed risk management framework

机译:采矿作业中使用的合成化学品:拟议的风险管理框架

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摘要

There is increasing scientific and public concern about chemicals in the environment and in particular those that pose a risk to human health. As a result, there is increasing pressure for industries to reduce risks and comply with emerging chemical legislations, such as the Registration, Evaluation, Authorisation and Restriction of Chemicals (REACH). udThe mining industry relies heavily on the use of chemicals having a large range with a variety of hazards and exposures. Several screening and risk assessment procedures were evaluated to determine their appropriateness to the mining industry. This PhD aimed to assist the mining industry by proposing a framework that integrated hazard and exposure assessments into a numerical ranking and evaluation of individual chemicals and workspaces. This was developed by collecting and evaluating data on the hazards and exposures of chemicals across copper, platinum and coal mining operations. udThe hazard identification procedure showed that 9% (76 out of 850) of chemicals had ingredients that could be classified as known or suspected carcinogens, mutagens and/or reproductive toxins, laboratories on mine sites having the highest number of chemicals with severe hazardous properties (Carcinogenic, Mutagenic, Reproductive toxin (CMR) and/or fatal/and/ or very toxic to aquatic life). An exposure assessment was proposed that used onsite observations to define and tailor the exposure categories for the mining industry and to define the workspaces in terms of the exposure controls and chemical management measures.udFindings demonstrated that 24% of the 850 chemicals were classified as being of potential high risk of harm, with 3% (27) prioritised for immediate management. This was validated by comparing the results with established hazard classifications. All of the workspaces investigated had insufficient safety and/or exposure controls to accommodate the hazards of the typical chemicals used. udThis workspace-based framework is a dynamic system that manages the chemicals in current use, but is also a wide scoping system to include measures in place for future chemicals introduced into workspaces.
机译:科学和公众越来越关注环境中的化学物质,尤其是那些对人类健康构成威胁的化学物质。结果,越来越多的行业要求降低风险并遵守新兴的化学法规,例如化学品注册,评估,授权和限制(REACH)。 ud采矿业严重依赖使用范围广泛,危害和暴露范围广泛的化学品。对几种筛选和风险评估程序进行了评估,以确定它们是否适合采矿业。该博士旨在通过提出一个框架来帮助采矿业,该框架将危害和暴露评估整合到单个化学品和工作空间的数字排名和评估中。它是通过收集和评估有关铜,铂和煤矿开采过程中化学品的危害和暴露数据来开发的。 ud危害识别程序表明,在9种化学品(850种中的76种)中,有成分被归类为已知或可疑的致癌物,诱变剂和/或生殖毒素,矿区实验室的化学物质数量最多,具有严重的危险特性(致癌,致突变,生殖毒素(CMR)和/或对水生生物具有致命/和/或剧毒)。建议进行暴露评估,该评估使用现场观察来定义和定制采矿业的暴露类别,并根据暴露控制和化学品管理措施来定义工作区。 udFindings显示,850种化学品中有24%被归类为潜在的高伤害风险,其中3%(27)优先用于立即处理。通过将结果与已建立的危害分类进行比较来验证这一点。所有调查的工作空间都没有足够的安全性和/或暴露控制来适应所用典型化学品的危害。 ud这个基于工作空间的框架是一个动态系统,可以管理当前使用的化学物质,而且还是一个广泛的范围界定系统,其中包括针对将来引入工作空间的化学物质采取的措施。

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    Singh Khareen Alexandria;

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  • 年度 2014
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