CLASSE Safety Handbook

Dos & Don'ts

• DO: Know where the nearest exits are from your present location

• DO: Call 911 (campus phone or direct hallway line) or (607)255-1111 (cell/pay phone) in an EMERGENCY

• DO: If you hear a fire alarm, immediately, but calmly, exit the building, using stairways if necessary, not elevators

• DO: Take responsibility for establishing your own safe working environment

• DO: Consult this Handbook, your supervisor, or the Safety Director on safety issues

• DO: Ask your supervisor how to safely accomplish any assigned task

• DO: For any task you assign, provide the worker(s) proper training & information

• DON'T: Perform any hazardous task alone: observe the Two Person RuleHide Two Person Rule: No operation involving a known risk shall be carried out by any person working alone; risk shall be considered eliminated only after two competent people have agreed to this judgment

• DO: Ask someone to stop working if you think he or she is not working safely; you should both agree on proper procedures

• DO: Follow tour guidelines when hosting visitors, including carrying your radiation badge and a dosimeter and obtaining contact information for your guests

• DO: Learn where the various research areas are and the specific hazards in ones that you may enter

• DO: Take the required specialized training for your task

• DO: Learn what the many warning signs and different audible alarms mean

• DO: In off-hours, bring questions to the CESR/CHESS/ERL operator/control rooms (page/visit)

• DO: Learn what areas are designated as "controlled" for radiation purposes (they can change)

• DO: Wear your radiation badge in controlled areas: it can document your (lack of) exposure, but only if it's on you

• DO: Immediately report any injury, illness, potential hazardous exposure, or near-miss accident to your supervisor; then later, file the Cornell EHS online Injury/Illness/Exposure Report

• DO: Use monitoring & personal protection appropriate to a radiation hazard

• DO: Read and understand the SDS for any hazardous chemical/gas/material you work with or near

• DO: Use personal protection appropriate for the chemical hazard

• DON'T: Bring hazardous materials (chemicals, biologicals, gases, radioactive sources) into a building without authorization, notification, or proper packaging

• DO: Understand proper disposal methods for hazardous materials

• DON'T: Dump chemicals down the sink or hazardous materials in the trash

• DON'T: Use shops, cranes, fork lifts, lasers, chemicals, or radioactive sources without specialized training

• DON'T: Work on potentially hazardous electrical/mechanical equipment without LockOut/TagOut training

• DON'T: Remove someone else's Safety or Lockout padlock

• DO: Use personal protection appropriate to the electrical hazard

• DO: Understand that uncontrolled release of gases or liquid cryogens can deplete oxygen in enclosed spaces

• DO: Use personal protection appropriate to the cryogenic hazard

• DON'T: Start new and significantly different hazardous activities without an approved Safety Plan

• DON'T: Try to use a fire extinguisher without training

• DON'T: Smoke inside any campus building nor within 25 feet of any entrance

End of Dos & Don'ts