Contact Us

User Administration Office

Mailing Address NSLS User Administration Office Brookhaven National Laboratory 75 Brookhaven Avenue, Bldg. 725B Upton, NY 11973-5000 USA Office Hours Monday through Friday, 8:00 a.m. - 4:30 p.m. Check In All new and returning users must personally check in at the new Brookhaven National Laboratory (BNL) Guests, Users, and Visitors (GUV) Center. The GUV Center is located on the first floor in Building 400, BNL's Research Support Building, on Brookhaven Avenue diagonally across from the Berkner Hall Cafeteria building.

Phone Number 631.344.8737 Fax Number 631.344.7206 Email Address nslsuser@bnl.gov Email is retrieved daily Monday through Friday. Responses to requests or information are made the same or next day.

Information & Outreach Office

Mailing Address NSLS Information & Outreach Office Brookhaven National Laboratory P.O. Box 5000, Bldg. 725B Upton, NY 11973-5000 USA Office Hours Monday through Friday, 8:00 a.m. - 5:00 p.m.

Phone Number 631.344.7818 Fax Number 631.344.4745 Email Address nslsinfo@bnl.gov Email is reviewed daily Monday through Friday.

Chairman's Office

Mailing Address NSLS Chairman's Office Brookhaven National Laboratory P.O. Box 5000, Bldg. 725B Upton, NY 11973-5000 USA

Phone Number 631.344.2145 Fax Number 631.344.5842 Email Address NSLS Chairman's Office