Relevant bibliographies by topics / Special assessments – Ontario

Academic literature on the topic 'Special assessments – Ontario'

Author: Grafiati
Published: 10 December 2022
Last updated: 28 January 2023

Create a spot-on reference in APA, MLA, Chicago, Harvard, and other styles

Select a source type:

Contents

Consult the lists of relevant articles, books, theses, conference reports, and other scholarly sources on the topic 'Special assessments – Ontario.'

Next to every source in the list of references, there is an 'Add to bibliography' button. Press on it, and we will generate automatically the bibliographic reference to the chosen work in the citation style you need: APA, MLA, Harvard, Chicago, Vancouver, etc.

You can also download the full text of the academic publication as pdf and read online its abstract whenever available in the metadata.

Journal articles on the topic "Special assessments – Ontario"

1

Burnaby, Barbara. "Community Based ESL: An Assessment of a Federal Pilot Initiative." TESL Canada Journal 6, no. 1 (October 26, 1988): 27. http://dx.doi.org/10.18806/tesl.v6i1.538.

Full text
Abstract:
This article provides an overview of an assessment that TESL Canada undertook of Employment and Immigration Canada's pilot programme, the Settlement Language Training Program (198617). Ten projects in the programme in Ontario, Manitoba, and B.C. were studied. The programme was well received. Its community based delivery and the availability of babysitting and transportation supports were important to its success. Good needs assessment for outreach and curriculum proved to be critical. Special attention needs to be paid to the needs of learners with low levels of literacy. Implications for future initiatives of this type are drawn on the topics of needs assessments, decision making structures, delivery agencies, time-frames and funding levels, and programme models.
APA, Harvard, Vancouver, ISO, and other styles
2

Hutchings, Jeffrey A., and Marco Festa-Bianchet. "Canadian species at risk (2006–2008), with particular emphasis on fishes." Environmental Reviews 17, NA (December 2009): 53–65. http://dx.doi.org/10.1139/a09-003.

Full text
Abstract:
In accordance with the Species at Risk Act (SARA), the Committee on the Status of Endangered Wildlife in Canada (COSEWIC) is nationally responsible for assessing wildlife species considered to be at risk of extinction. A parliamentary review of SARA provides impetus for an up-to-date summary of recent assessments (2006–2008) and a spatiotemporal analysis of the status of Canada's largest vertebrate group of species at risk, fishes. From April 1978 through December 2008, COSEWIC had assessed 13 wildlife species as extinct and 564 at some level of risk (extirpated, endangered, threatened, special concern). Among these 577 assessments, 112 are for fishes (76% freshwater and diadromous; 24% marine). Slightly more than one-quarter (27%) of Canada's 205 freshwater and diadromous species of fishes, many of which are in southwestern Ontario and southeastern Quebec, have been assessed as being at risk throughout all or parts of their ranges. The percentage of Canadian freshwater and diadromous fish species assessed by COSEWIC as endangered or threatened (16%) is similar to the percentage of freshwater and diadromous fishes in the US that have been listed under the Endangered Species Act (12%). The proportion of wholly freshwater fishes assessed by COSEWIC that have been added to SARA's legal schedule is somewhat lower than that of other taxa. However, whereas the US listed its first marine fish in 2005, the Canadian government has to date not accepted COSEWIC's advice to list an endangered or threatened marine fish since the proclamation of SARA in 2003.
APA, Harvard, Vancouver, ISO, and other styles
3

Conforti, Maria. "Laser Needling® and Natural origin, Highly Purifi ed Polynucleotides (PN-HPT™) in Knee Osteoarthrosis: Benefi ts in Physiatry and Sports Medicine." International Journal of Sports Science & Medicine 4, no. 2 (November 2020): 030–37. http://dx.doi.org/10.37871/ijssm.id53.

Full text
Abstract:
Background and Objectives: The purpose of the paper is to illustrate the real life clinical outcomes of a retrospective cohort of knee Osteoarthritis (OA) patients treated with a novel laser disease management program; at the same time, to defi ne the most effective operative procedure. The new laser technique mimics the in-vitro benefi ts of Low-Level Laser Therapies (LLLT). The study compared the 3month effi cacy and 6-month persistence of clinical and functional benefi ts after application of laser energy either externally with a standard High Power Laser Therapy (HPLT) laser device (AG1 device, FP3 version), or intra-articularly with the patented, low-energy AG8 intra articular fi ber device (ultrasound-guided, same wavelengths, no handpiece). This innovative laser device reduces to one hundredth the applied energy density. The pain suppressing effi cacy of the LLLT-like laser FP3 procedure is intended to act synergically with the strong biorestructuring and pain suppressing effi cacy of natural origin polynucleotides (PN-HPT™ or Highly Purifi ed Technology™) injected before the laser session. PN-HPT™ are widely used in knee OA management for their persistent viscosupplementation properties overlapping those of high molecular weight hyaluronic acid. Trial design: retrospective comparison of:  Short term 3 month effi cacy outcomes on pain and disability  6-month persistence of clinical improvements in two cohorts of patients with severe knee osteoarthritis. The active cohort knee OA patients (105 agonistic or recreative practitioners with persistent knee pain and disability resistant to conventional medical or physical therapies) were treated with an innovative intra articular low-energy AG8 physical therapy protocol (ambulatory “AG8 Protocol 3” combined with a preliminary PN-HPT™ knee injection); the control-cohort patients (109 patients with knee disease of similar severity) were treated with a standard, multi frequency HPLT ambulatory treatment protocol (FP3 device). Outcome parameters: Western Ontario and McMaster Universities (WOMAC) assessments at baseline (T0) and after 2 weeks (T2) and 3 months (T3). Secondary parameters: Nociceptive and neuropathic pain; assessment: standard 10 cm Visual Analogue Scale (VAS) immediately before and at the end of each treatment session. Results: Treatment with the AG8 protocol 3 / PN-HPT™ intra articular combination was associated with strongly signifi cant short term (2 weeks) and medium-term (3 months) benefi ts vs. controls treated with a conventional FP3 extra-articular treatment protocol both for the WOMAC Total Score and WOMAC Pain and Function subscores. Benefi ts for the WOMAC Stiffness subscore were borderline non-signifi cant. The subgroup analysis showed that the 2A (Grade-2 KL primary OA) and 2B (Grade-2 KL secondary (post-surgical) OA) mainly contributed to overall benefi ts. Conclusion: The study showed the intra-articular Laser Needling® technique (ultrasound-guided AG8 laser device, Protocol 3 plus infi ltration of a facilitating agent such as intra-articular PN-HPT™ gel) to be more effective on knee OA pain than the traditional extra-articular FP3 laser technique, with special reference to pain associated with primary OA.
APA, Harvard, Vancouver, ISO, and other styles
4

Samokhvalov, Andriy V., Peter Selby, Susan J. Bondy, Michael Chaiton, Anca Ialomiteanu, Robert Mann, and Jürgen Rehm. "Smokers who seek help in specialized cessation clinics: How special are they compared to smokers in general population?" Journal of Smoking Cessation 9, no. 2 (August 22, 2013): 76–84. http://dx.doi.org/10.1017/jsc.2013.23.

Full text
Abstract:
Introduction: Patients of specialized nicotine dependence clinics are hypothesized to form a distinct subpopulation of smokers due to the features associated with treatment seeking. The aim of the study was to describe this subpopulation of smokers and compare it to smokers in general population.Material and methods: A chart review of 796 outpatients attending a specialized nicotine dependence clinic, located in Toronto, Ontario, Canada was performed. Client smoking patterns and sociodemographic characteristics were compared to smokers in the general population using two Ontario surveys – the Ontario Tobacco Survey (n = 898) and the Centre for Addiction and Mental Health Monitor (n = 457).Results: Smokers who seek treatment tend to smoke more and be more heavily addicted. They were older, had longer history of smoking and greater number of unsuccessful quit attempts, both assisted and unassisted. They reported lower education and income, had less social support and were likely to live with other smokers.Conclusions: Smokers who seek treatment in specialized centers differ from the smokers in general population on several important characteristics. These same characteristics are associated with lower chances for successful smoking cessation and sustained abstinence and should be taken into consideration during clinical assessment and treatment planning.
APA, Harvard, Vancouver, ISO, and other styles
5

Lynch-Godrei, Anisha, Megan Doherty, and Christina Vadeboncoeur. "interRAI Pediatric Home Care (PEDS-HC) Assessment Tool: Evaluating Ontario Healthcare Workers’ Experience." Health Services Insights 15 (January 2022): 117863292210781. http://dx.doi.org/10.1177/11786329221078124.

Full text
Abstract:
High quality pediatric homecare requires comprehensive assessment of the needs, supports, and health care challenges of children with special healthcare needs and their families. There is no standardized homecare assessment system to evaluate children’s clinical needs in the home (support services, equipment, etc.) in Ontario, Canada, which contributes to inequitable homecare service allocation. In 2017, the interRAI Pediatric Home Care assessment tool (PEDS-HC) was implemented on a pilot basis in several regions of Ontario. This qualitative descriptive study explores the experiences of homecare coordinators using the PEDS-HC, seeking to understand the utility and feasibility of this tool through focus group discussion. Four major themes were identified including: the benefits of the tool; areas for modification; challenges to use; and Clinical Assessment Protocols to develop. These themes can guide modifications to the tool to improve utility and improve pediatric home care services. The PEDS-HC is an effective tool to assess children needing homecare in a standardized and comprehensive manner. Use of the tool can improve the quality of homecare services by ensuring equity in service provision and facilitate early identification of clinical issues to prevent unexpected health deteriorations.
APA, Harvard, Vancouver, ISO, and other styles
6

Larouche, Geneviève, Jocelyne Chiquette, Marie Plante, Sylvie Pelletier, Jacques Simard, and Michel Dorval. "Usefulness of Canadian Public Health Insurance Administrative Databases to Assess Breast and Ovarian Cancer Screening Imaging Technologies for BRCA1/2 Mutation Carriers." Canadian Association of Radiologists Journal 67, no. 4 (November 2016): 308–12. http://dx.doi.org/10.1016/j.carj.2015.12.003.

Full text
Abstract:
Purpose In Canada, recommendations for clinical management of hereditary breast and ovarian cancer among individuals carrying a deleterious BRCA1 or BRCA2 mutation have been available since 2007. Eight years later, very little is known about the uptake of screening and risk-reduction measures in this population. Because Canada's public health care system falls under provincial jurisdictions, using provincial health care administrative databases appears a valuable option to assess management of BRCA1/2 mutation carriers. The objective was to explore the usefulness of public health insurance administrative databases in British Columbia, Ontario, and Quebec to assess management after BRCA1/2 genetic testing. Methods Official public health insurance documents were considered potentially useful if they had specific procedure codes, and pertained to procedures performed in the public and private health care systems. Results All 3 administrative databases have specific procedures codes for mammography and breast ultrasounds. Only Quebec and Ontario have a specific procedure code for breast magnetic resonance imaging. It is impossible to assess, on an individual basis, the frequency of others screening exams, with the exception of CA-125 testing in British Columbia. Screenings done in private practice are excluded from the administrative databases unless covered by special agreements for reimbursement, such as all breast imaging exams in Ontario and mammograms in British Columbia and Quebec. There are no specific procedure codes for risk-reduction surgeries for breast and ovarian cancer. Conclusion Population-based assessment of breast and ovarian cancer risk management strategies other than mammographic screening, using only administrative data, is currently challenging in the 3 Canadian provinces studied.
APA, Harvard, Vancouver, ISO, and other styles
7

Gilby, Rhonda, Lucille Wolf, and Benjamin Goldberg. "Mentally Retarded Adolescent Sex Offenders. A Survey and Pilot Study." Canadian Journal of Psychiatry 34, no. 6 (August 1989): 542–48. http://dx.doi.org/10.1177/070674378903400611.

Full text
Abstract:
There is not a great deal of empirical research on adolescent sex offenders and even less on mentally retarded adolescent sex offenders. This study provides some preliminary data in this area. Results of a survey of the extent and types of sexual problems evident amongst groups of mentally retarded and intellectually normal adolescents (N = 196), seen at an assessment and treatment centre in southwestern Ontario during a 14 month period is presented. In addition three groups of ten adolescents each (mentally retarded and intellectually normal sex offenders and one group of mentally retarded non-offenders with behavioural problems) were investigated to gain a more indepth perspective of characteristics of these adolescents and their backgrounds. Considering the high recidivism rate for these groups, indications for treatment are discussed with special consideration for the mentally retarded offenders.
APA, Harvard, Vancouver, ISO, and other styles
8

Montgomery, Diane. "Integrating Technology With Instructional Frameworks to Support all Learners in Inclusive Classrooms." Open/Technology in Education, Society, and Scholarship Association Journal 2, no. 2 (December 30, 2022): 1–16. http://dx.doi.org/10.18357/otessaj.2022.2.2.31.

Full text
Abstract:
In Ontario, as the number of students requiring special education support continues to rise, the transition to inclusive classrooms has become more challenging for teachers due to limited time and lack of resources and support in the classrooms. However, this study explored how eight elementary school teachers addressed these obstacles in their successful transitions to inclusion through the integration of technology, Universal Design for Learning (UDL) and the Response to Intervention (RTI) frameworks in both online and physical classrooms. Through online interviews and classroom observations, the teachers orally shared and demonstrated how technology could increase student engagement, differentiate instruction, provide students with alternative instruction and assessment methods, and build teacher capacity within the classrooms. Despite this successful integration of technology and instructional frameworks, inefficiencies were revealed in screening approaches and teachers’ access to streamlined assessment resources to identify the needs of students. A discussion examined the teachers’ barriers in supporting the needs of all learners with proposed technology-based considerations that may assist other teachers in their transitions to inclusive classrooms.
APA, Harvard, Vancouver, ISO, and other styles
9

Nasreen, Sharifa, Andrew J. Calzavara, Maria E. Sundaram, Shannon E. MacDonald, Christiaan H. Righolt, Menaka Pai, Thalia S. Field, Lily W. Zhou, Sarah E. Wilson, and Jeffrey C. Kwong. "Background incidence rates of hospitalisations and emergency department visits for thromboembolic and coagulation disorders in Ontario, Canada for COVID-19 vaccine safety assessment: a population-based retrospective observational study." BMJ Open 11, no. 12 (December 2021): e052019. http://dx.doi.org/10.1136/bmjopen-2021-052019.

Full text
Abstract:
ObjectiveThe objective of this study was to estimate background rates of selected thromboembolic and coagulation disorders in Ontario, Canada.DesignPopulation-based retrospective observational study using linked health administrative databases. Records of hospitalisations and emergency department visits were searched to identify cases using International Statistical Classification of Diseases and Related Health Problems, 10th Revision, Canada diagnostic codes.ParticipantsAll Ontario residents.Primary outcome measuresIncidence rates of ischaemic stroke, intracerebral haemorrhage, subarachnoid haemorrhage, deep vein thrombosis, pulmonary embolism, idiopathic thrombocytopaenia, disseminated intravascular coagulation and cerebral venous thrombosis during five prepandemic years (2015–2019) and 2020.ResultsThe average annual population was 14 million with 51% female. The mean annual rates per 100 000 population during 2015–2019 were 127.1 (95% CI 126.2 to 127.9) for ischaemic stroke, 22.0 (95% CI 21.6 to 22.3) for intracerebral haemorrhage, 9.4 (95% CI 9.2 to 9.7) for subarachnoid haemorrhage, 86.8 (95% CI 86.1 to 87.5) for deep vein thrombosis, 63.7 (95% CI 63.1 to 64.3) for pulmonary embolism, 6.1 (95% CI 5.9 to 6.3) for idiopathic thrombocytopaenia, 1.6 (95% CI 1.5 to 1.7) for disseminated intravascular coagulation, and 1.5 (95% CI 1.4 to 1.6) for cerebral venous thrombosis. Rates were lower in 2020 than during the prepandemic years for ischaemic stroke, deep vein thrombosis and idiopathic thrombocytopaenia. Rates were generally consistent over time, except for pulmonary embolism, which increased from 57.1 to 68.5 per 100 000 between 2015 and 2019. Rates were higher for females than males for subarachnoid haemorrhage, pulmonary embolism and cerebral venous thrombosis, and vice versa for ischaemic stroke and intracerebral haemorrhage. Rates increased with age for most of these conditions, but idiopathic thrombocytopaenia demonstrated a bimodal distribution with incidence peaks at 0–19 years and ≥60 years.ConclusionsOur estimated background rates help contextualise observed events of these potential adverse events of special interest and to detect potential safety signals related to COVID-19 vaccines.
APA, Harvard, Vancouver, ISO, and other styles
10

Dagnone, Damon, Denise Stockley, Leslie Flynn, Rylan Egan, Richard Van Wylick, Laura McEwen, Ross Walker, and Richard Reznick. "Delivering on the promise of competency based medical education – an institutional approach." Canadian Medical Education Journal 10, no. 1 (March 14, 2019): e28-38. http://dx.doi.org/10.36834/cmej.43303.

Full text
Abstract:
The Royal College of Physicians and Surgeons of Canada (RCPSC) adopted a plan to transform, over a seven-year horizon (2014-2021), residency education across all specialties to competency-based medical education (CBME) curriculum models. The RCPSC plan recommended implementing a more responsive and accountable training model with four discrete stages of training, explicit, specialty specific entrustable professional activities, with associated milestones, and a programmatic approach to assessment across residency education. Embracing this vision, the leadership at Queen’s University (in Kingston, Ontario, Canada) applied for and was granted special permission by the RCPSC to embark on an accelerated institutional path. Over a three-year period, Queen’s took CBME from concept to reality through the development and implementation of acomprehensive strategic plan. This perspective paper describes Queen’s University’s approach of creating a shared institutional vision, outlines the process of developing a centralized CBME executive team and twenty-nine CBME program teams, and summarizes proactive measures to ensure program readiness for launch. In so doing, Queen’s created a community of support and CBME expertise that reinforces shared values including fostering co-production, cultivating responsive leadership, emphasizing diffusion of innovation, and adopting a systems-based approach to transformative change.
APA, Harvard, Vancouver, ISO, and other styles
More sources

Books on the topic "Special assessments – Ontario"

1

Education, Ontario Ministry of. Ontario curriculum unit planner: Assessment companion. [Toronto, ON]: The Ministry, 2002.

Find full text
APA, Harvard, Vancouver, ISO, and other styles
2

Ontario Educational Research Council. Conference. [Papers presented at the 28th Annual Conference of the Ontario Educational Research Council, Toronto, Ontario, Dec. 1986]. [Toronto, ON: s.n.]., 1986.

Find full text
APA, Harvard, Vancouver, ISO, and other styles
3

Ontario Educational Research Council. Conference. [Papers presented at the 33rd Annual Conference of the Ontario Educational Research Council, Toronto, Ontario, December 6-7, 1991]. [Ontario: s.n.], 1991.

Find full text
APA, Harvard, Vancouver, ISO, and other styles
4

Conference, Ontario Educational Research Council. [Papers presented at the 30th Annual Conference of the Ontario Educational Research Council, Toronto, Ontario, December 2-3, 1988]. [Toronto, ON: s.n.], 1988.

Find full text
APA, Harvard, Vancouver, ISO, and other styles
5

Ontario Educational Research Council. Conference. [Papers presented at the 34th Annual Conference of the Ontario Educational Research Council, Toronto, Ontario, December 4 - 5, 1992]. [Ontario: s.n.], 1992.

Find full text
APA, Harvard, Vancouver, ISO, and other styles
6

Ontario Educational Research Council. Conference. [Papers presented at the 32nd Annual Conference of the Ontario Educational Research Council, Toronto, Ontario, December 7-8, 1990]. [Ontario: s.n.], 1990.

Find full text
APA, Harvard, Vancouver, ISO, and other styles
7

Ontario Educational Research Council. Conference. [Papers presented at the 36th Annual Conference of the Ontario Educational Research Council, Toronto, Ontario, December 2-3, 1994]. [Toronto, ON: s.n.], 1994.

Find full text
APA, Harvard, Vancouver, ISO, and other styles
8

Ontario Educational Research Council. Conference. [Papers presented at the 35th Annual Conference of the Ontario Educational Research Council, Toronto, Ontario, December 3-4, 1993]. [Toronto, Ont: s.n, 1993.

Find full text
APA, Harvard, Vancouver, ISO, and other styles
9

Conference, Ontario Educational Research Council. [Papers presented at the 31st Annual Conference of the Ontario Educational Research Council, Toronto, Ontario, December 8-9, 1989]. [Toronto, ON: s.n.], 1989.

Find full text
APA, Harvard, Vancouver, ISO, and other styles
10

Kaplinsky, Eran S. An evaluation of development charges and their alternatives in Israel and in Ontario. 1999.

Find full text
APA, Harvard, Vancouver, ISO, and other styles

Book chapters on the topic "Special assessments – Ontario"

1

"Advances in Understanding Landscape Influences on Freshwater Habitats and Biological Assemblages." In Advances in Understanding Landscape Influences on Freshwater Habitats and Biological Assemblages, edited by Adam G. Yates, Joseph M. Culp, Robert C. Bailey, and Patricia A. Chambers. American Fisheries Society, 2019. http://dx.doi.org/10.47886/9781934874561.ch2.

Full text
Abstract:
<i>Abstract.</i>—Over the past decade, numerous studies have identified correlative relationships between aquatic biota and human activities at landscape scales. In addition to demonstrating the pervasive effects of these activities on aquatic biota, these findings have encouraged researchers to suggest that predictive relationships between human activities and aquatic biota could be used to enhance diagnostic power of biological assessments, predict future changes in species distributions, and inform land-use planning. However, to achieve these important goals, descriptions of human activities will need to become more detailed than the simple land use/land cover classifications frequently used. Our purpose is to highlight four sources of human activity data (existing geographic information system layers, census data, remotely sensed images, and visual landscape surveys) that can be used to increase the level of detail with which the human environment is described. Strengths and weaknesses of each data source are discussed and methods for adapting those data to aquatic studies are described by drawing on experiences from studies in the agricultural landscapes of southern Manitoba and southwestern Ontario, Canada. Based on the observations and lessons learned from our previous experiences, we make recommendations for how researchers can identify and apply the data sources that best meet their needs. We also discuss challenges and possible solutions for applying the described data sources as well as for improving data availability in the future. Moreover, we encourage aquatic researchers to allot more time to detailed description of human activities because we believe this to be an effective approach to improving our ability to predict the effects of human activity and thus better assist decision makers in protecting aquatic ecosystems.
APA, Harvard, Vancouver, ISO, and other styles

Conference papers on the topic "Special assessments – Ontario"

1

Little, Richard, John Avis, Nicola Calder, Nava Garisto, Paul Gierszewski, Helen Leung, Laura Limer, et al. "A Preliminary Postclosure Safety Assessment of OPG’s Proposed L&ILW Deep Geologic Repository, Canada." In ASME 2009 12th International Conference on Environmental Remediation and Radioactive Waste Management. ASMEDC, 2009. http://dx.doi.org/10.1115/icem2009-16289.

Full text
Abstract:
Ontario Power Generation (OPG) is proposing to build a Deep Geologic Respository (DGR) for Low and Intermediate Level Waste (L&ILW) near the existing Western Waste Management Facility at the Bruce site in the Municipality of Kincardine, Ontario. The Nuclear Waste Management Organization (NWMO), on behalf of OPG, is currently preparing an Environmental Impact Statement (EIS) and Preliminary Safety Report (PSR) for the proposed repository. This involves investigation of the site’s geological and surface environmental characteristics, conceptual design of the DGR, and technical studies to demonstrate the operational and long-term safety of the proposed facility. A preliminary postclosure safety assessment (SA) was undertaken in 2008 and 2009. Consistent with the guidelines for the preparation of the EIS for the DGR and the regulatory guide on assessing the long-term safety of radioactive waste management, the SA evaluated the DGR’s performance and its potential impact on human health and the environment through pathway analysis of contaminant releases, contaminant transport, receptor exposure and potential effects. Consideration was given to the expected long-term evolution of the repository and site following closure (the Normal Evolution Scenario) and four disruptive (“what if”) scenarios (Human Intrusion, Severe Shaft Seal Failure, Open Borehole, and Extreme Earthquake), which considered events with uncertain or low probability that could disrupt the repository system. Conceptual and mathematical models were developed and then implemented in a range of software tools including AMBER, to provide estimates of impacts such as dose, FRAC3DVS, for detailed 2D and 3D groundwater flow and transport calculations, and T2GGM, a code that couples the Gas Generation Model (GGM) and TOUGH2 and models the generation of gas in the repository and its subsequent 2D transport through the geosphere. Calculations have been undertaken to assess the impact of radionuclides on human and non-human biota and the impact of non-radioactive species on humans and the environment. The results indicate that the DGR system provides a high level of postclosure safety.
APA, Harvard, Vancouver, ISO, and other styles
2

Suckling, Paul, Nicola Calder, Paul Humphreys, Fraser King, and Helen Leung. "The Development and Use of T2GGM: A Gas Modelling Code for the Postclosure Safety Assessment of OPG’s Proposed L&ILW Deep Geologic Repository, Canada." In ASME 2009 12th International Conference on Environmental Remediation and Radioactive Waste Management. ASMEDC, 2009. http://dx.doi.org/10.1115/icem2009-16291.

Full text
Abstract:
As part of the postclosure safety assessment of Ontario Power Generation’s (OPG’s) proposed Deep Geologic Repository (DGR) for Low and Intermediate Level Waste (L&ILW) at the Bruce site, Ontario, a Gas Generation Model (GGM) has been developed and used to model the detailed generation of gas within the DGR due to corrosion and microbial degradation of the organics and metals present. The GGM is based on a kinetic description of the various microbial and corrosion processes that lead to the generation and consumption of various gases. It takes into account the mass-balance equations for each of the species included in the model, including three forms of organic waste (cellulose, ionexchange resins, and plastics and rubbers), four metallic waste forms and container materials (carbon and galvanised steel, passivated carbon steel, stainless steel and nickel-based alloys, and zirconium alloys), six gases (CO2, N2, O2, H2, H2S, and CH4), five terminal electron acceptors (O2, NO3−, Fe(III), SO42−, and CO2), five forms of biomass (aerobes, denitrifiers, iron reducers, sulphate reducers, and methanogens), four types of corrosion product (FeOOH, FeCO3, Fe3O4, and FeS), and water. The code includes the possibility of the limitation of both microbial and corrosion reactions by the availability of water. The GGM has been coupled with TOUGH2 to produce T2GGM; a code that models the generation of gas in the repository and its subsequent transport through the geosphere. T2GGM estimates the peak repository pressure, long time repository saturation and the total flux of gases from the geosphere. The present paper describes the development of T2GGM and the numerical modelling work undertaken to calculate the generation and build-up of gas in the repository, the two-phase exchange of gas and groundwater between the repository and the surrounding rock, and between the rock and the surface environment. The results have been used to inform the safety assessment modelling.
APA, Harvard, Vancouver, ISO, and other styles
You might also be interested in the extended bibliographies on the topic 'Special assessments – Ontario' for particular source types:
Journal articles
We offer discounts on all premium plans for authors whose works are included in thematic literature selections. Contact us to get a unique promo code!

To the bibliography