TRI-VALLEY HAVEN - SECOND AMENDMENT (#2023606)

Page 2 of 2 © ISO Properties, Inc., 2007 IL 00 21 09 08  "Source material", "special nuclear material", and "by-product material" have the meanings given them in the Atomic Energy Act of 1954 or in any law amendatory thereof. "Spent fuel" means any fuel element or fuel com- ponent, solid or liquid, which has been used or ex- posed to radiation in a "nuclear reactor". "Waste" means any waste material (a) containing "by-product material" other than the tailings or wastes produced by the extraction or concentra- tion of uranium or thorium from any ore processed primarily for its "source material" content, and (b) resulting from the operation by any person or or- ganization of any "nuclear facility" included under the first two paragraphs of the definition of "nucle- ar facility". "Nuclear facility" means: (a)Any "nuclear reactor"; (b)Any equipment or device designed or used for (1) separating the isotopes of uranium or plutonium, (2) processing or utilizing "spent fuel", or (3) handling, processing or packag- ing "waste"; (c)Any equipment or device used for the pro- cessing, fabricating or alloying of "special nuclear material" if at any time the total amount of such material in the custody of the "insured" at the premises where such equipment or device is located consists of or contains more than 25 grams of plutoni- um or uranium 233 or any combination thereof, or more than 250 grams of uranium 235; (d)Any structure, basin, excavation, premises or place prepared or used for the storage or disposal of "waste"; and includes the site on which any of the foregoing is located, all operations conducted on such site and all premises used for such operations. "Nuclear reactor" means any apparatus designed or used to sustain nuclear fission in a self- supporting chain reaction or to contain a critical mass of fissionable material. "Property damage" includes all forms of radioac- tive contamination of property. Docusign Envelope ID: BAF64511-C271-4FC1-BBE9-5AF1BC605D95