just the pre employment booklet/letter thing "MTA NYCT is canvassing names on the Track Worker Exam 8600 list in anticipation of making appointments. In order for you to be considered for this position, you must respond to this canvass, complete the enclosed pre-employment application form and submit any required document(s) to indicate your interest. When you submit your application please include the exam title, your full name, exam number and list number in the subject line of the email. Please submit the complete application as a PDF file."