(4) The landlord seeks in good faith to recover possession of the rental unit for the purpose of immediately terminating, for at least 6 months, use of the premises as a rental unit;
(5) The complaint or request of the landlord relates to a condition or conditions caused by the lack of ordinary care by the tenant or other person in the household, or on the premises with the tenant’s consent;
(6) The rental was, on the date of filing of tenant’s complaint or request or on the date of appropriate notice prior to the end of the rental term, in full compliance with all codes, statutes and ordinances;
(7) The landlord has in good faith contracted to sell the property and the contract of sale contains a representation by the purchaser conforming to paragraph (d)(2), (3) or (4) of this section;
(8) The landlord is seeking to recover possession of the rental unit on the basis of a notice to terminate a periodic tenancy, which notice was given to the tenant prior to the complaint or request;
(9) The condition complained of was impossible to remedy prior to the end of the cure period;
(10) The landlord has become liable for a substantial increase in property taxes or a substantial increase in other maintenance or operating costs not associated with the landlord complying with the complaint or request, and such liability occurred not less than 4 months prior to the demand for the increase in rent, and the increase in rent does not exceed the pro-rata portion of the net increase in taxes or cost;