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North American construction is back—smaller and faster—at OPG’s Darlington
“The nuclear renaissance is real here,” said Ontario Power Generation’s Subo Sinnathamby on May 8, one year to the day after OPG secured a final investment decision to build the first of four planned BWRX-300 reactors at its Darlington nuclear power plant, and shortly after the new reactor’s foundation was lifted into place. “We got our license to construct in April and our [final investment decision] in May, and we’ve been off to the races since.”
J. Phillip Sharpe, W. Jon Carmack, David A. Petti
Fusion Science and Technology | Volume 39 | Number 2 | March 2001 | Pages 1066-1070
Safety and Environment | doi.org/10.13182/FST01-A11963385
Articles are hosted by Taylor and Francis Online.
Dust and debris were collected from the Nova laser facility in April 1999 to provide evidence of particulate generation and transport mechanisms relevant to fusion power safety analyses. Samples were obtained at specified locations within the Nova chamber with a vacuum filter system, cascade impactors, and metallurgical replicating tape (acetate tape). Average surface mass density of material collected from locations with measured surface area ranges from 3.13 μg/cm2 on the mid-plane vertical surface to 3250 μg/cm2 on the vessel bottom. Estimated total dust inventory is 44 grams. Specific surface area of dust collected from several locations is nearly uniform with an average value of 0.435 m2/g. Particle size distributions of the collected material show a range of count median diameters (CMD) between 0.67 and 1.19 μm with geometric standard deviations (GSD) between 1.63 and 2.76. Mass median diameters for dust collected with the two cascade impactors are 5.26 μm and 8.85 μm. The shape of the volumetric size distribution indicates dust particles of various shapes. Composition analysis performed by energy dispersive X-ray analysis indicated the presence of O, Al, Cu, along with trace quantities of Fe, Au, and Be. Atomic emission ICP analysis also indicated the presence of Si, O, and Cu in dust samples.