1.1 It is the intention of these specifications that the Contractor hereunder shall furnish and Baltimore County shall purchase high dusting and cleaning services to various locations throughout the County. 1.2 The County reserves the right to order such services as may be required during the said period, and it also reserves the right not to order any services bid upon by the Contractor, if it is found that such services are not required by the County during the period covered by this contract. 1.3 The County reserves the right to add or delete locations throughout the County as it may be necessary during the period covered by this contract. 1.4 All products used in connection with these services shall be safe to use in the workplace. MSDS sheets shall be required by the County prior to use on County premises. Successful bidder(s) shall arrive at the work site location ready to begin work with equipment and supplies necessary to provide the specified services.