Thallium (Tl) belongs to the Group 3 - Boron Family of elements. In the new IUPAC grouping, The Boron family is now Group 13.
Page updated 2/25/2016. Carrier, clerk, mail handlers, and distribution associates are required to take and pass the 473 Postal Exam. Other applicants including motor vehicle operators, mechanic, clerical, electronic technician, machinist, and trades must also pass a written test.
The Maricopa Food Handler Course is required within 30 days of hire for Maricopa County food workers and has been customized in partnership with Maricopa County Environmental Services Department to meet all local regulations and requirements. Course Details: