... : Non-citizens may only be appointed when it is not possible to recruit qualified citizens in accordance ... systems, assumes responsibility to maintain operations including preventive maintenance and training of ...

... : Non-citizens may only be appointed when it is not possible to recruit qualified citizens in accordance ... systems, assumes responsibility to maintain operations including preventive maintenance and training of ...

... , serology, and urinalysis. Such positions include requirements to monitor quality control systems and ... : United States Citizenship: Non-citizens may only be appointed when it is not possible to recruit ...

... , serology, and urinalysis. Such positions include requirements to monitor quality control systems and ... : United States Citizenship: Non-citizens may only be appointed when it is not possible to recruit ...