Internships provide paid opportunities (primarily during the summer) external to UMBC.
http://www.internships.com/chemistry
The Oak Ridge Institute of Science and Education has on-going opportunities for students at all levels.
The NSF Research Opportunities for Undergraduates (REU) programs have paid summer internship programs to suit any area of interest.
NIST’s Summer Undergraduate Research Fellowships (SURF)
NASA Pathways Internship Program
The Army Educational Outreach Program