Search results
Results from the WOW.Com Content Network
The results of the evaluation help to assess possible hazards to the safety and health of workers and to define protective measures. Since electromagnetic fields may influence passive or active implants of workers, it is essential to consider the exposure at their workplaces separately in the risk assessment .
Corona discharges on the 380kV overhead power line over the Albula Pass (Switzerland) in foggy weather conditions (30 second long exposure) Coronas can generate audible and radio-frequency noise, particularly near electric power transmission lines. Therefore, power transmission equipment is designed to minimize the formation of corona discharge.
A coal-fired power plant with ash ponds. Coal ash, also known as coal combustion residuals (CCRs), is the mineral residue that remains from burning coal. Exposure to coal ash and to the toxic substances it contains may pose a health risk to workers in coal-fired power plants and residents living near coal ash disposal sites.
Poppe said covering primary power lines with fire-resistant insulation does work in the right places. PG&E already has 1,000 miles of hardened line. But, she said, that technique reduces fire risk ...
A 1997 study reported no increased risk of cancer or illness from living near a transmission line. [47] Other studies, however, reported statistical correlations between various diseases and living or working near power lines. No adverse health effects have been substantiated for people not living close to power lines. [48]
A worker may use a conducting wand during the approach to first make the connection. Once on the line, the worker is safe from shock as both the lineworker and the wire are at the same electric potential, and hence no current passes through their body. This is the same principle as that which allows birds to safely sit on power lines. [3]
ANSI/GEIA-STD-0010-2009 (Standard Best Practices for System Safety Program Development and Execution) is a demilitarized commercial best practice that uses proven holistic, comprehensive and tailored approaches for hazard prevention, elimination and control. It is centered around the hazard analysis and functional based safety process.
The committee found that children living near power plants in Britain are no more likely to develop leukemia than those living elsewhere. [52] Similarly, a 1991 study for the National Cancer Institute found no excess cancer mortalities in 107 US counties close to nuclear power plants. [59]