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Document Name File Type
Environmental Risk Factors for Parkinson's Disease and Parkinsonism: The Geoparkinson Study
Epidemiological study of 959 prevalent cases of parkinsonism and 1,989 controls in five European countries that investigated associations between Parkinson's disease and other degenerative parkinsonian syndromes and environmental factors, including exposure to solvents, pesticides, iron, copper and manganese. Using average annual intensity of exposure analysis, this population-based, case-control study found no association between high or low exposure to manganese and parkinsonism or Parkinson's disease. The study was conducted by a large group of European researchers and, as set forth in the acknowledgements section, was funded by the European Union.
SOURCE: Occupational and Environmental Medicine
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New Study Finds No Association Between Welding and Parkinson's Disease
February 2, 2006

Study: Parkinson’s Disease and Other Basal Ganglia or Movement Disorders in a Large Nationwide Cohort of Swedish Welders

Epidemiological linked-registry cohort study of almost 50,000 Swedish welders, followed for an average of 29 years, compared to an age and geographical matched control group of close to 500,000 Swedish non-welders, to evaluate increased risks of Parkinson’s disease or other basal ganglia and movement disorders for welders. This nationwide linked-registry study compares the rates of hospitalization and death for the two groups and concludes that there is no support for a relation between welding and Parkinson’s disease or any other neurodegenerative disorders.
SOURCE: Occupational and Environmental Medicine

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New Study Finds No Association Between Welding and Parkinson's Disease
May 12, 2005

Study: A Cohort Study of Parkinson's Disease and Other Neurodegenerative Disorders in Danish Welders

Epidemiological cohort study used data collected over a 25-year period to evaluate the prevalence of Parkinson’s Disease, as well as other neurodegenerative disorders including manganism, in a group of 9,817 male workers who were either welders or exposed to welding fumes while working in departments where mild or stainless steel welding occurred. This large study with long-term follow up concluded that men who engaged in mild and stainless steel welding did not have increased hospitalizations for Parkinson’s Disease or other neurodegenerative disorders and that welders were no more likely to develop Parkinson’s Disease or other neurodegenerative diseases than the general public of Denmark.
SOURCE: Journal of Occupational and Environmental Medicine

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Report of David Garabrant, M.D., M.P.H.
In this report filed by the defense in the multi-district litigation, Dr. David Garabrant, Professor of Occupational Medicine and Epidemiology at the University of Michigan School of Public Health, reviews the relevant medical and scientific literature and determines that there does not exist reliable scientific evidence to support an opinion that there exists a link between an exposure to welding fume and the development of Parkinson's disease or parkinsonism.

C
ertain portions of this document have been temporarily edited out in order to comply with a court-imposed confidentiality order.

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ANSI Z49.1, Safety in Welding, Cutting, and Allied Processes
Standards for safety and health in welding
SOURCE: American Welding Society
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Tox-FAQs for Manganese
Facts on Manganese provided by the ATSDR
SOURCE: Agency for Toxic Substances and Disease Registry
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Safe Practices Promote Arc Welding Safety
Helpful tips for arc welding safety in the workplace.
SOURCE: Ken Brown, Project Research Manager, The Lincoln Electric Company
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Possible Environmental Occuptional and Other Etiologic Factors for Parkinson's Disease: A Case-Control Study in Germany
Case-control study of PD enrolling various patients from German neurologic clinics, neighborhood controls and regional controls. The authors could not report an association between manganese exposure and PD.
SOURCE: Neurology, the official journal of the American Academy of Neurology
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Commonly Asked Questions About Welding Helmets and Eye Protection
Safety guide for different helmets and eye protective gear.
SOURCE: Information provided by Jim Harris, Product Manager, The Lincoln Electric Company
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Welding Safety
Safety guide for different welding processes.
SOURCE: Lab Safety Supply, Inc.
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Arc-Welding Safety
Safety tips for arc welding.
SOURCE: University of Arizona, College of Agriculture
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Dressing for success and other welding safety tips
By-lined article written by past-president of the AWS detailing safety tips for welders and appropriate protective gear.
SOURCE: The Fabricator.com
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Safe Practices Promote Arc Welding Safety
Detailed article on major welding hazards and how to avoid them.
SOURCE: The Lincoln Electric Company
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Weld Inspection in Confined Spaces
Despite the hazards, confined space entries can be performed safely if they are evaluated carefully, proper equipment is at hand, and guidelines are followed.
SOURCE: American Welding Society
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Keeping an Eye on Safety
Article on protecting welders from eye injuries.
SOURCE: The Fabricator.com
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Health and Safety in Welding and Related Processes
Recent article evaluating risks of exposure to particulate fumes.
SOURCE: The Welding Institute
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NIOSH Strategic Research on Welding Identifies Data Needs, Advances Studies
NIOSH update on exposure to welding fumes and need for more scientific data; clarifies that no data currently exists that shows a causal link between fumes and diseases like parkinsons.
SOURCE: National Institute for Occupational Safety and Health
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Various Fact Sheets SOURCE: American Welding Society PDF
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