company may require contractor to verify , and ensure that its subcontractor verify , the use of chemoprophylaxis by their respective non-immune employees through laboratory testing or them means acceptable to company on a cost reimbursable basis. upon written request from contractor , company will help facilities contractor's use of the same personnel and laboratories for contractor's employee testing as company in using for its employees. should contractor choose to use these personnel, company will pay all fees for the services provided and test results will be provided to contractor's designate medical review officer (not to company or to any non-medical personnel in contractor's organization). should contractor choose to use other means for collecting , storing , testing and reporting company reserves the right to audit the processes and facilities and to determine acceptability to company to those alternative providers. company further reserves the right to refuse to reimburse any amount charged by the alternative providers which is in excess of that which would of that which would have been charged had contractor chosen to use the same providers as company. company may review contractor's program and actual implementation measures for acceptability to company.