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Resource Documents: Ontario (88 items)

RSSOntario

Documents presented here are not the product of nor are they necessarily endorsed by National Wind Watch. These resource documents are provided to assist anyone wishing to research the issue of industrial wind power and the impacts of its development. The information should be evaluated by each reader to come to their own conclusions about the many areas of debate.


Date added:  November 3, 2018
Ontario, SafetyPrint storyE-mail story

Wind Turbine Public Safety Risk, Direct and Indirect Health Impacts

Author:  Palmer, William

Abstract —
Wind turbines are often perceived as benign. This can be attributed to the population majority dwelling in urban locations distant from most wind turbines. Society may understate the risk to individuals living near turbines due to an overstatement of the perceived benefits of turbines, and an understatement of the risk of injury from falling turbine parts, or shed ice. Flaws in risk calculation may be attributed to a less than fully developed safety culture. Indications of this are the lack of a comprehensive industry failure database, and safety limits enabling the industry growth, but not protective of the public. A comprehensive study of wind turbine failures and risks in the Canadian province of Ontario gives data to enable validation of existing failure models. Failure probabilities are calculated, to show risk on personal property, or in public spaces. Repeated failures, and inadequate safety separation show public safety is not currently assured. A method of calculating setbacks from wind turbines to mitigate public risk is shown. Wind turbines with inadequate setbacks can adversely impact public health both directly from physical risk and indirectly by irritation from loss of safe use of property. Physical public safety setbacks are separate from larger setbacks required to prevent irritation from noise and other stressors, particularly when applied to areas of learning, rest and recuperation. The insights provided by this paper can assist the industry to enhance its image and improve its operation, as well as helping regulators set safety guidelines assuring protection of the public.

William K.G. Palmer, Journal of Energy Conservation – 2018;1(1):41-78

Download original document: “Wind Turbine Public Safety Risk, Direct and Indirect Health Impacts

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Date added:  August 13, 2018
Health, Noise, Ontario, Prince Edward IslandPrint storyE-mail story

Derivation and application of a composite annoyance reaction construct based on multiple wind turbine features

Author:  Michaud, David; et al.

Abstract —
Objectives: Noise emissions from wind turbines are one of multiple wind turbine features capable of generating annoyance that ranges in magnitude from not at all annoyed to extremely annoyed. No analysis to date can simultaneously reflect the change in all magnitudes of annoyance toward multiple wind turbine features. The primary objective in this study was to use principal component analysis (PCA) to provide a single construct for overall annoyance to wind turbines based on reactions to noise, blinking lights, shadow flicker, visual impacts, and vibrations evaluated as a function of proximity to wind turbines.
Methods: The analysis was based on data originally collected as part of Health Canada’s cross-sectional Community Noise & Health Study (CNHS). One adult participant (18–79 years), randomly selected from dwellings in Ontario (ON) (n = 1011) and Prince Edward Island (PEI) (n = 227), completed an in-person questionnaire. Content relevant to the current analysis included the annoyance responses to wind turbines.
Results: The first construct tested in the PCA explained 58–69% of the variability in total annoyance. Reduced distance to turbines was associated with elevated aggregate annoyance scores among ON and PEI participants. In the ON sample, aggregate annoyance was effectively absent in areas beyond 5 km (mean 0.12; 95% CI 0.00, 1.19), increasing significantly between 2 and 5 km (mean 2.13; 95% CI 0.92, 3.33), remaining elevated, but with no further increase until (0.550–1] km (mean 3.37; 95% CI 3.02, 3.72). At ≤ 0.550 km, the average overall annoyance was 3.36 (95% CI 2.03, 4.69). In PEI, aggregate annoyance was essentially absent beyond 1 km; i.e., (1–2] km (mean 0.21; 95%CI 0.00, 0.88); 2–5 km (mean 0.00; 95%CI 0.00, 1.37); > 5 km (mean 0.00; 95%CI 0.00, 1.58). Annoyance significantly increased in areas between (0.550 and 1] km (mean 1.59; 95%CI 1.02, 2.15) and was highest within 550 m (mean 4.25; 95% CI 3.34, 5.16).
Conclusion: The advantages and disadvantages to an aggregated annoyance analysis, including how it should not yet be considered a substitute for relationships based on changes in high annoyance, are discussed.

David S. Michaud & James McNamee, Non-Ionizing Radiation Health Sciences Division, Consumer and Clinical Radiation Protection Bureau, Environmental and Radiation Health Sciences Directorate, Health Canada
Leonora Marro, Biostatistics Section, Population Studies Division, Environmental Health Science and Research Bureau, Health Canada

Canadian Journal of Public Health (2018) 109:242–251
doi: 10.17269/s41997-018-0040-y

Download original document: “Derivation and application of a composite annoyance reaction construct based on multiple wind turbine features

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Date added:  August 13, 2018
Health, Noise, Ontario, Prince Edward IslandPrint storyE-mail story

Association between self-reported and objective measures of health and aggregate annoyance scores toward wind turbine installations

Author:  Michaud, David; et al.

Abstract —
Objective: An aggregate annoyance construct has been developed to account for annoyance that ranges from not at all annoyed to extremely annoyed, toward multiple wind turbine features. The practical value associated with aggregate annoyance would be strengthened if it was related to health. The objective of the current paper was to assess the association between aggregate annoyance and multiple measures of health.
Methods: The analysis was based on data originally collected as part of Health Canada’s Community Noise and Health Study (CNHS). One adult participant per dwelling (18–79 years), randomly selected from Ontario (ON) (n = 1011) and Prince Edward Island (PEI) (n = 227), completed an in-person questionnaire.
Results: The average aggregate annoyance score for participants who indicated they had a health condition (e.g., chronic pain, Pittsburgh Sleep Quality Index (PSQI) > 5, tinnitus, migraines/headaches, dizziness, highly sensitive to noise, and reported a high sleep disturbance) ranged from 2.53 to 3.72; the mean score for those who did not report these same conditions ranged between 0.96 and 1.41. Household complaints about wind turbine noise had the highest average aggregate annoyance (8.02), compared to an average of 1.39 among those who did not complain.
Conclusion: A mean aggregate annoyance score that could reliably distinguish participants who self-report health effects (or noise complaints) from those who do not could be one of several factors considered by jurisdictions responsible for decisions regarding wind turbine developments. However, the threshold value for acceptable changes and/or levels in aggregate annoyance has not yet been established and could be the focus of future research efforts.

David S. Michaud & James McNamee, Non-Ionizing Radiation Health Sciences Division, Consumer and Clinical Radiation Protection Bureau, Environmental and Radiation Health Sciences Directorate, Health Canada
Leonora Marro, Biostatistics Section, Population Studies Division, Environmental Health Science and Research Bureau, Health Canada

Canadian Journal of Public Health (2018) 109:252–260
doi: 10.17269/s41997-018-0041-x

Download original document: “The association between self-reported and objective measures of health and aggregate annoyance scores toward wind turbine installations

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Date added:  June 5, 2018
Health, Noise, Ontario, Prince Edward IslandPrint storyE-mail story

Using residential proximity to wind turbines as an alternative exposure measure to investigate the association between wind turbines and human health

Author:  Barry, Rebecca; Sulsky, Sandra; and Kreiger, Nancy

[Abstract] This analysis uses data from the Community Noise and Health Study developed by Statistics Canada to investigate the association between residential proximity to wind turbines and health-related outcomes in a dataset that also provides objective measures of wind turbine noise. The findings indicate that residential proximity to wind turbines is correlated with annoyance and health-related quality of life measures. These associations differ in some respects from associations with noise measurements. Results can be used to support discussions between communities and wind-turbine developers regarding potential health effects of wind turbines.

[Results] Results suggest that proximity to wind turbines is inversely associated with the environment domain quality of life score (β = 1.23, SE = 0.145, p = 0.046). This association suggests that every kilometre a person lives further away from a wind turbine is associated with a 1.23 point increase in score on the environmental health quality of life scale. A higher score is indicative of a higher environmental quality of life. … Distance to wind turbines was also found to be strongly associated with increased annoyance (OR = 0.19; 95% CI  = 0.07, 0.53, p = 0.001). This suggests that the odds of reporting being annoyed by a turbine are reduced by about 20% for every kilometer a person lives further away from a wind turbine. …

[Discussion] These results show that living closer in proximity to wind turbines is negatively correlated with self-rated environmental quality of life and physical health quality of life. These findings suggest that the mechanism of effect may not be noise, or not noise alone, and may include visual sight, vibrations, shadow flicker, sub-audible low frequency sound, or mechanisms that include individual subjective experiences and attitudes towards wind turbines. … Our findings strengthen the argument that wind turbines are associated with annoyance, as this association is now found with both modelled A-weighted sound pressure levels and with residential distance to wind turbines. Other research has found that individuals reporting annoyance due to environmental noise also report health conditions including ischemic heart disease, depression, and migraines.

Rebecca Barry and Nancy Kreiger, University of Toronto, Ontario, Canada
Sandra I. Sulsky, Ramboll Environ US, Amherst, Massachusetts

J. Acoust. Soc. Am. 143 (6), June 2018, 3278–3282
doi: 10.1121/1.5039840

Download original document: “Using residential proximity to wind turbines as an alternative exposure measure to investigate the association between wind turbines and human health

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