The Adelphi Laboratory Center is located in Maryland, part of the Washington, D.C. metropolitan area.  ALC is located approximately 25 miles southwest of central Baltimore and 10 miles north of Washington, D.C and is easily assesible to Interstate 95 (the East Coast's primary north-south transportation coordinator and the Capital Beltway I-495. The address of ALC is 2800 Powder Mill Road, Adelphi, MD.

All visitors to ALC, who do not possess a Common Access Card (CAC) or another approved Federal identification card must be vetted using the National Crime Information Center (NCIC) Interstate ID Index (III), which is the Army minimum baseline background check for entrance onto Army installations.

In order to reduce access betting time, ALC tenant organizations that schedule or invite visitors to the installation will submit:

  • USAG ALC Installation Access Request Form 191 and a sponsor memo.
  • Access vetting can be provided in an emergency (within 24 hours) by contacting the ALC Security Office at 394-1100.
  • Once vetted, visitors will be provided a pass or credential not to exceed one year in length dependent upon their function or need for access.
  • All vistors required a vetted ALC/ARL escort.

Adelphi, MD