is located within the United States of America, its territories or possessions or Canada, this exclusion (3) applies only to "Property Damage" to such nuclear facility and any property thereat.

c. As used in this exclusion:

(1) "hazardous properties" includes radioactive, toxic or explosive properties;

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

(3) "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;

(4) "spent fuel" means any fuel element or fuel component, solid or liquid, which has been used or exposed to radiation in a nuclear reactor;

(5) "waste" means any waste material (a) containing by-product 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 (b) resulting from the operation by any person or organization of a nuclear facility included within the definition of nuclear facility below:

(6) "nuclear facility" means:

(a) any nuclear reactor,

(b) any equipment or device designed or used for (i) separating the isotopes of uranium or plutonium, (ii) processing or utilizing spent fuel, or (iii) handling, processing or packaging wastes,

(c) 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,

LEX-CM-STA-2 - 10 - (Ed. 4/86)