IMM Waiver

Per DFARS 7003-1, I'm looking for an IMM waiver contact point for AMC, but they seem to be impossible to get in contact with.

I've searched Google, sent e-mails, and called 5 million dead phone numbers.

Does anyone have any experience or contact information for this address:

Headquarters, U.S. Army Materiel Command

9301 Chapek Road

Bldg. 1, Room 1NW2803

Fort Belvoir, VA 22060

If you have ANY information about how to get a hold of this person via e-mail, phone, or if you know anyone who works at Fort Belvoir. That would be much appreciated.