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Browsing by Subject "Risk assessment"

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Aquatic environment exposure and toxicity of engineered nanomaterials released from nano-enabled products: Current status and data needs

Author: Moloi, MS ; Lehutso, Raisibe F ; Erasmus, M ; Oberholster, PJ ; Thwala, Melusi Date: Oct 2021 Rapid commercialisation of nano-enabled products (NEPs) elevates the potential environmental release of engineered nanomaterials (ENMs) along the product life cycle. The current review examined the state of the art literature on aquatic ... Read more
Aquatic toxicity effects and risk assessment of ‘Form Specific’ product-released engineered nanomaterials

Author: Lehutso, Raisibe F ; Wesley-Smith, J ; Thwala, Melusi Date: Nov 2021 The study investigated the toxicity effects of ‘form specific’ engineered nanomaterials (ENMs) and ions released from nano-enabled products (NEPs), namely sunscreens, sanitisers, body creams and socks on Pseudokirchneriella subcapitata, ... Read more
Conceptual risk assessment framework for global change risk analysis SRP

Author: Elphinstone, CD ; Das, Sonali ; Khuluse, S Date: Dec 2007 This report is submitted as a deliverable of the SRP project Global Change Risk Analysis which aims at applying risk analysis as a unifying notion for quantifying and communicating threats to ecosystem services originating from global change ... Read more
Developing an architectural design microbial risk model (ADMRM) for the built environment

Author: Nice, Jako A Date: Oct 2019 Studies indicate that an estimate eighty five percent of our time is spent indoors, with people sited as the main contributor of bacteria, and consequently pathogenic bacteria in indoor environments. This highlights the significance of the ... Read more
Development of pesticide use maps for South Africa

Author: Dabrowski, James M Date: Jan 2015 Over 3000 pesticides are registered for use in South Africa. Many studies have highlighted the movement of pesticides to agricultural crops from the point of application into non-target environments, particularly surface and groundwater ... Read more
Engineered inorganic nanoparticles and cosmetics: Facts, issues, knowledge gaps and challenges

Author: Wiechers, JW ; Musee, N Date: Oct 2010 The cosmetic industry is among the first adaptors of nanotechnology through the use of engineered nanoparticles (ENPs) to enhance the performance of their products and meet the customers’ needs. Recently, there have been increasing concerns ... Read more
Ergonomics

Author: Schutte, PC ; James, JP Date: 2007 Ergonomic surveys are conducted to identify ergonomics-related risk factors in a workplace. The surveys include elementary hazard identification, risk assessment and identification of areas where specialist ergonomics advice is required. This ... Read more
Implementing integrated catchment management in the Limpopo River Basin Phase 1: Situational assessment

Author: Mwenge Kahinda, Jean-Marc ; Kapangaziwiri, Evison ; Engelbrecht, FA ; Meissner, Richard ; Ashton, PJ Date: Oct 2012 A situational assessment of De Beers’ mining operations within a water-stressed area, and close to an ecologically sensitive area, offers useful insights for the development of specific interventions in the areas surrounding their mining ... Read more
Manual for best practice for emergency response procedures, part 2: the management of inrushes, fires, explosions and other emergencies.

Author: Spencer, KC ; Walters, DM ; Page, TPT ; Du Plessis, AG Date: Feb 2000 With the exception of those incidents that are solely attributable to nature, virtually all other incidents, the hand of man can usually be detected to a greater or lesser degree. It would be fair to say that if the myriad of laws, regulations, ... Read more
Manual for best practice for emergency response procedures, part 3: a review of the department of Minerals and Energy guidelines relevant to inrushes, fires, explosions and other emergencies.

Author: Spencer, KC ; Walters, DM ; Page, TPT ; Du Plessis, AG Date: Feb 2000 The relevant guidelines issued by the Department of Minerals and Energy were reviewed in light of the findings given in parts one and two of this report. The earlier guidelines were issued unilaterally by the Department of Minerals and Energy, ... Read more
Manual for best practice for emergency response procedures, part 4: a checklist of best practice requirements for the prevention and management of inrushes, fires, explosions and other emergencies.

Author: Spencer, KC ; Walters, DM ; Page, TPT ; Du Plessis, AG Date: Feb 2000 From Parts 1 and 2 of this report all the salient points and additional detail arising from these points have been collated and put into a checklist format to enable the user on any colliery to carry out a first order audit. Once this has ... Read more
Nanotechnologies risk assessment: a perspective from developing countries

Author: Musee, N Date: Sep 2009 In this paper, the potential impacts of nanotechnologies in developing countries are examined. Both beneficial and unanticipated risks of nanotechnologies are discussed with reference to the developing countries. Moreover, the mechanisms of ... Read more
Nanotechnology risk assessment from a waste management perspective: Are the current tools adequate?

Author: Musee, N Date: Aug 2011 The burgeoning nanotechnology industry is rapidly generating new forms of waste streams generically referred herein as nanowastes. However, little is known about the fate and behavior of these waste streams and their impacts thereof in different ... Read more
Omics analyses of potato plant materials using an improved one-class classification tool to identify aberrant compositional profiles in risk assessment procedures

Author: Kok, E ; Van Dijk, J ; Voorhuijzen, M ; Staats, M ; Lommen, A ; Venema, D ; Pla, M ; Barros, Maria EC Date: Sep 2019 The objective of this study was to quantitatively assess potato omics profiles of new varieties for meaningful differences from analogous profiles of commercial varieties through the SIMCA one-class classification model. Analytical profiles ... Read more
Personal gravimetric dust sampling and risk assessment.

Author: Unsted, AD Date: Mar 1996 The origin of the project SIMGAP project GAP046, were rooted in the industry’s need to establish the viability of such a simplification of sampling procedures. Extensive investigations were conducted at three underground sites and one surface ... Read more
Potential risks of nanotechnology to humans and environment: implications and response mechanisms in Africa

Author: Musee, N ; Sikhwivhilu, L ; Nota, N ; Schaefer, Lisa M Date: Nov 2011 Historically, development of mankind has been closely intertwined with scientific and technological advancements. In the 21st century, nanotechnology has emerged as an enabling technology with enormous potential of revolutionizing social, ... Read more
A qualitative ecological risk assessment of the invasive Nile tilapia, Oreochromis niloticus in a sub-tropical African river system (Limpopo River, South Africa)

Author: Zengeya, TA ; Robertson, MP ; Booth, AJ ; Chimimba, CT Date: Jan 2013 This study outlines the development of a qualitative risk assessment method and its application as a screening tool for determining the risk of establishment and spread of the invasive Nile tilapia, Oreochromis niloticus (Linnaeus, 1758), ... Read more
Risk assessment of hoisting with and without a safety detaching hook.

Author: Wainwright, KA Date: Dec 2000 In the late 19th century steam winders with poor control led to literally many hundreds of overwinds per year. The current status on South African mines is that the frequency of overwinds is about five to ten per year, and these are nearly ... Read more
Shale Gas Development in the Central Karoo: A Scientific Assessment of the Opportunities and Risks

Author: Scholes, B ; Lochner, Paul A ; Schreiner, Greg ; Snyman-Van der Walt, Luanita ; De Jager, Megan Date: Nov 2016 The potential economic and energy security benefits of a large shale gas resource in the Karoo Basin could be substantial; as are both the positive and negative social and environmental issues associated with a domestic gas industry. Shale ... Read more
Shale Gas Development in the Central Karoo: A Scientific Assessment of the Opportunities and Risks

Author: Scholes, B ; Lochner, Paul A ; Schreiner, G ; Snyman-Van der Walt, L ; De Jager, M Date: Nov 2016 The potential economic and energy security benefits of a large shale gas resource in the Karoo Basin could be substantial; as are both the positive and negative social and environmental issues associated with a domestic gas industry. Shale ... Read more

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