"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 waste,

(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.

(d) any structure, casing, 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.

**Conditions**

1. **Premium**
   All premiums for this policy shall be computed in accordance with the company's rules, rates, rating plans, premiums and minimum premiums applicable to the insurance afforded herein, and shall be payable by the first named insured.

2. **Inspection and Audit**
   The company shall be permitted but not obligated to inspect the named insured's property and operations at any time. Neither the company's right to make inspections, nor the making thereof, nor any report thereon, shall constitute an undertaking on behalf of or for the benefit of the named insured or others to determine or warrant that such property or operations are safe or healthful, or are in compliance with any law, rule or regulation.
   
   The company may examine and audit the named insured's books and records at any time during the policy period and extensions thereof and within three years after the final termination of this policy, insofar as they relate to the subject matter of this insurance.

3. **Notice of Occurrence**
   Whenever it appears that an occurrence is likely to involve payment under this policy, written notice shall be given to the company or its authorized agents by the named insured or a designated representative of the named insured as soon as practicable. Such notice shall contain particulars sufficient to identify the insured and also reasonably obtainable information respecting the time, place and circumstances of the occurrence, the names and addresses of the injured and of available witnesses.

4. **Assistance and Cooperation of the Insured**
   The insured shall cooperate with the company and shall comply with all the terms and conditions of this policy and shall also cooperate with any of the underlying insurers as required by the terms of the underlying insurance and comply

Form XL-12-1
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