This office lease clause states that the landlord shall cause the abatement and removal of all asbestos containing material, and the landlord must provide to the tenant an air-sampling report following the completion of the ACM removal or encapsulating and the results of must be deemed satisfactory by the landlord and the tenant if the results satisfy air content thresholds for asbestos fibers established by the appropriate governmental authorities or entities having jurisdiction in such matters allowing occupancy of the Premises.