All other terms and conditions of the policy remain unchanged.

With respect to "injury" to or "destruction" of property, the word "injury" or "destruction" includes all forms of radioactive contamination of property.

"Nuclear Reactor" means any apparatus designed or used to sustain nuclear fission in a self-sustaining chain reaction or to contain a critical mass of fissile material.

(d) Any structure, basin, excavation, premises or place prepared or used for the storage of 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.

(c) Any equipment or device designed or used for processing, fabricating or alloying of "Special Nuclear Material" if at any time the total amount of such material in the custody of or contained more than 250 grams of uranium 235, or thorium, or more than 25 grams of plutonium 239 or any combination of the two, or if the premises where such equipment of device is located consists of the inside of a building or structure which contains more than 25 grams of plutonium 239 or any combination of the two.

(b) Any equipment or device designed or used for (i) processing of utilizing "Spent Fuel", or (ii) handling, processing of plutonium, or (iii) separating the isotopes of uranium or thorium from any "Source Material".

(a) Any "Nuclear Reactor".

"Nuclear Facility" means

"Waste" means any material (i) containing "Source Material" other than the tallings "Spent Fuel" produced by the extraction of uranium from any ore processed primarily for its "Source Material" content, and (ii) resulting from the operation of any organization of any "Nuclear Facility" included within the definition of "Nuclear Facility" under paragraph (a) or (b) thereof.

"Spent Fuel" means any fuel element of fuel component, solid or liquid, which has been used or exposed to radiation in a "Nuclear Reactor".

"Source Material", "Special Nuclear Material", and "Byproduct Material" have the meanings given them in the Atomic Energy Act of 1954 or in any law amending the same.