Solid Radioactive Waste Strategy Report.pdf - UK EPR

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EPR UK N° NESH-G/2008/en/0123 REV. A PAGE 42 / 257 6.3.3 Dry Active Waste TABLE 5: WASTE STREAM DATASHEET FOR DRY ACTIVE WASTE Waste Stream Dry Active Waste Waste Origin Dry active waste is generated through routine and maintenance operations in the EPR nuclear island. The waste consists of contaminated personal protection equipment, monitoring swabs, plastic, clothing, contaminated tools and other process consumables. Mainly arising during outages these wastes are collected into plastic bags. The bags are put into a cast iron 200 l drum or container. Waste Physical Description Pre-compacted heterogeneous waste (technological waste or operational waste) segregated pieces of metal, plastic, clothes, glassware, rubble. Nature of Radioactive Material Contamination with fission products and activation products. Annual Arising 51 m 3 Total Arising 3060 m 3 Waste Classification at Time of Generation 1 m 3 ILW 50 m 3 LLW Main Radionuclides Iron-55 Cobalt-58 Cobalt-60 Silver-110m Nickel-63 Hazardous Substances Boron: 100 ppm Antimony: 1000 ppm
EPR UK N° NESH-G/2008/en/0123 REV. A PAGE 43 / 257 6.3.4 Tank Sludges Waste Steam Waste Origin TABLE 6: WASTE STREAM DATASHEET FOR TANK SLUDGES Tank Sludges During operation of an EPR, particulates can settle as a sludge in the buffer and storage tanks associated with the water auxiliary circuits (e.g. Liquid Waste Treatment System, Liquid Effluents Release System etc.). These tanks are periodically cleaned out and the sludge accumulations removed for treatment as waste. Waste Physical Description A sludge consisting of settled metal oxide particulate. Nature of Radioactive Material Sludge is contaminated with activated corrosion products and fission products. Activation products and fission products, beta and beta/gamma emitters (hydrogen-3, cobalt-60, cobalt-58, manganese-54, zinc-65, silver-110m, antimony- 125, caesium-134, caesium-137, beryllium-10, carbon-14, sodium-22, chlorine-36, calcium-41, iron-55, nickel-59, nickel-63, selenium-79, strontium-90, molybdenum-93, zirconium-93, niobium-94, technetium-99, palladium-107, silver- 108m, tin-121m, tin-126, iodine-129, caesium-135, samarium-151) and a very low amount of alpha emitters. Annual Arising 1 m 3 Total Arising 60 m 3 Waste Classification at Time of Generation ILW / LLW Main Radionuclides Iron-55 Cobalt-58 Cobalt-60 Zinc-65 Nickel-63 Hazardous Substances Boron: 1.000 ppm Mercury: 5 ppm Lead: 335 ppm Nickel: 165 ppm Chromium: 190 ppm Antimony: 5 ppm Cadmium: 10 ppm
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