Diagnostic medical sonographers must complete 24 continuing education credits every two years to remain certified. To maintain ARDMS credentials, sonographers must earn at least 30 continuing medical education (CME) credits in a 3-year period and pay an annual renewal fee.nly a few states require sonographers to be licensed. While state requirements can vary, a professional certification from a national credentialing organization is often required to become licensed.
[ edit intro ]. The Allegheny Portage Railroad was the section of the Pennsylvania Main Line of Public Works that traversed the Allegheny Mountains in Pennsylvania. It consisted of alternating level and inclined plane stretches of rail, pulling canal boats on carriages.
The Buffalo and Pittsburgh Railroad (reporting mark BPRR) is a Class II railroad operating in New York and Pennsylvania. The BPRR is owned by Genesee and Wyoming Industries. Its main line runs between Buffalo, New York and Eidenau, Pennsylvania, north of Pittsburgh. Here, connections are made to the city center via the Allegheny Valley Railroad. The system runs largely on former Baltimore and Ohio Railroad (B&O) lines. The entire BPRR system is 411 miles (661 km).