Adelphi University is committed to providing a safe and secure environment in which to study, research, live, work and visit.

Policy Statement

Adelphi University is committed to providing a safe and secure environment in which to study, research, live, work and visit. Prohibitions on the possession and use of firearms, DEADLY WEAPONS, and DANGEROUS INSTRUMENTS are essential to that goal and required by law.

Reason for Policy

The University seeks to maintain a welcoming and safe educational environment for students, employees, and visitors, and adopts this policy for possession of firearms, deadly weapons and dangerous instruments on campus and at events.

Who Is Governed by this Policy

Faculty, Staff, and Students


It is understood that certain University staff members are authorized to work with dangerous substances based on their job responsibilities, such as faculty in the science departments or Public Safety employees. No other person on campus, whether working or not, may possess or use dangerous articles or substances such as hazardous chemicals, biochemical agents, firearms, deadly weapons, ammunition, gunpowder, fireworks, explosives, gasoline, chemicals, knives and other dangerous instruments or substances.

Violation of this policy is a major breach of campus security, a matter of great severity and will lead to disciplinary action up to, and including, termination of employment, student sanctions as well as possible civil or criminal charges.


As defined by the New York State penal law:

Deadly Weapon: any loaded weapon from which a shot, readily capable of producing death or serious physical injury, may be discharged, or a switchblade knife, gravity knife, metal knuckle, dagger, billy, blackjack, plastic knuckle, or metal knuckles.

Dangerous Instrument: any instrument, article or substance, including a “VEHICLE” as the term is defined in this section, which under the circumstances in which it is used, attempted to be used or threatened to be used, is readily capable of causing death or other serious physical injury.

Vehicle: a “motor vehicle”, “trailer”, or “semi-trailers”, as defined in the vehicle and traffic law, any snowmobile, as defined in the parks recreation law, any aircraft, or any vessel equipped for propulsion by mechanical means or sail.


This policy does not have forms associated with it at this time. Upon periodic policy review this area will be evaluated to determine if additional information is needed to supplement the policy

Related Information

Article 10 – NY Penal Law

Article 265 – NY Penal Law

Code of Conduct

Employee Handbook

Document History

  • Last Reviewed Date: March 28, 2023
  • Last Revised Date: March 28, 2023
  • Policy Origination Date: Unknown

Who Approved This Policy

Policy Owner and Executive Leadership

Policy Owner

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