Records are unclassified and may be a Privacy Act System of Records.
Records contain computer-generated reports.
The reports list employee names, addresses, social security numbers, hire and termination dates, soundex numbers, sex, ethnic backgrounds, birthdates, and Z numbers. The files also include a printout of coding information used for linkage programs by the NMTR, dated July 1989. The program was originally written by the University of Michigan Tumor Registry.