Underwriters or Nuclear Insurance Association of Canada or any of their successors, or would be an insured under any such policy but for its termination upon exhaustion of its limit of liability;

(2) resulting from the "hazardous properties" of "nuclear material" and with respect to which

(A) any person or organization is required to maintain financial protection pursuant to the Atomic Energy Act of 1954, or any law amendatory thereof; or

(B) the INSURED is or, had this POLICY not been issued, would be entitled to indemnity from the United States of America, or any agency thereof, under any agreement entered into by the United States of America, or any agency thereof, with any person or organization;

(3) resulting from the "hazardous properties" of "nuclear material", if

(A) the "nuclear material" (i) is at any "nuclear facility" owned by, or operated by or on behalf of, an INSURED or (ii) has been discharged or dispersed therefrom;

(B) the "nuclear material" is contained in "spent fuel" or "waste" any time possessed, handled, used, processed, stored, transported or disposed of by or on behalf of an INSURED; or

(C) the PERSONAL INJURY or PROPERTY DAMAGE arises out of the furnishing by an INSURED of services, materials, parts or equipment in connection with the planning, construction, maintenance, operation or use of any "nuclear facility", but if such facility is located within the United States of America, its territories or possessions, or Canada, this subparagraph (3)(C) applies only to "property damage" to such "nuclear facility" and any property thereat.

As used in this Exclusion (h):

"hazardous properties" include radioactive, toxic or explosive properties;

"nuclear material" means "source material", "special nuclear material" or "by-product material";

"source material", "special nuclear material" and "byproduct 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 component, solid or liquid, which has been used or exposed to radiation in a "nuclear reactor";

"waste" means any waste material (1) containing "byproduct material" other than the tailings or wastes produced by the extraction or concentration of uranium or thorium from any ore processed primarily for its "source material" content, and (2) resulting from the operation by any person or organization of any "nuclear facility" included under the first two paragraphs of the definition of "nuclear facility";

"nuclear facility" means:

(1) any "nuclear reactor";

(2) any equipment or device designed or used for (a) separating the isotopes of uranium or plutonium, (b) processing or utilizing "spent fuel", or (c) handling, processing or packaging "waste";

(3) any equipment or device used for the processing, 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 plutonium or uranium 233 or any combination thereof, or more than 250 grams of uranium 235;

(4) 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 radioactive contamination of property;

(I) PERSONAL INJURY or PROPERTY DAMAGE directly or indirectly caused by or contributed to by or arising from ionising radiations or contamination by radioactivity outside the United States, its territories or possessions, or Canada from any nuclear fuel, any nuclear waste or from the combustion, fission or fusion of nuclear fuel;

(j) PROPERTY DAMAGE to property rented to, used or occupied by or in the care, custody or control of the INSURED:

(1) to the extent that the INSURED has agreed to provide insurance therefor; or

(2) if such property is owned by any person or organization controlling or coming under the control of the INSURED;