"Op's can cry all they want on how they want to reduce OOS, but when they have 1 clerk load AND sweep a machine, how serious can they be?"

True, true...

Although, the oos problem isn't related to operators as much as everyone wants to insist. There is a fundamental flaw in the process that people are missing ;)

Does anyone know if there is any documentation that describes the time required to sort a certain amount of letters by hand? Say if your plant is sending out 10-30k rejects nightly. How much does that cost the USPS?