Landlord Notification and Inspection. Tenant shall immediately notify Landlord in writing of any Hazardous Materials contamination of any portion of the Project of which Tenant becomes aware, whether or not caused by Tenant. Landlord shall have the right at all reasonable times and if Landlord determines in good faith that Tenant may not be in compliance with this Paragraph 4.4 to inspect the Premises and to conduct tests and investigations to determine whether Tenant is in compliance with the foregoing provisions, the costs of all such inspections, tests and investigations to be borne by Tenant.

At any time, and from time to time, prior to the expiration of the Term, Landlord shall have the right to conduct appropriate tests of the Project or any portion thereof to demonstrate that Hazardous Materials are present or that contamination has occurred due to the acts or omissions of a Tenant Party. Tenant shall pay all reasonable costs of such tests if such tests reveal that Hazardous Materials exist at the Project in violation of this Lease.