The Catholic University of America

Environmental Health & Safety Manual

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4 - RESTRICTED AREAS

Facilities placarded with the following warning signs are restricted areas:

CAUTION - BIOHAZARDS
CAUTION - CANCER HAZARD
CAUTION - RADIOACTIVE MATERIAL
CAUTION - RADIATION AREA
CAUTION/DANGER - LASER


The names and phone numbers of responsible persons must be posted on the door(s) to all facilities where hazardous materials are stored or used.

Faculty, staff, and administrators may only enter a restricted area when accompanied by an authorized user of the facility. Housekeeping personnel are permitted to enter restricted areas to perform routine cleaning tasks. However, these persons may only handle trash containers. They must not touch labeled waste containers or research equipment or materials.

Other support personnel, such as the Department of Public Safety or Facilities Maintenance & Operations personnel, are permitted to enter restricted areas provided the work to be performed does not involve disturbing a use area, equipment, or materials within the facility. Examples of items off limits include:

  • fume hoods
  • biological safety cabinets
  • sinks
  • placarded equipment
  • materials on lab benches
  • chemicals

Support personnel must contact an authorized user of the facility or Environmental Health & Safety (EHS) before performing work which may involve any of the above items.

Immediately report to EHS or to Public Safety any unusual conditions, such as:

  • spills
  • leaks
  • contamination
  • fires
  • injuries