Bill Diesslin, CHMM, CSP Assistant Director, ISU EH&S 294-2105 [email protected] Safety in the Chemical Laboratory Chemistry 550. Demonstrate what we know about risk and injury Discuss why safety is a hard sell Outline the importance of this class
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Discuss why safety is a hard sell
Outline the importance of this class
List a few things you can do to promote a culture of safetyObjectives
People will take risks when the benefit is certain and the hazard is unknown
People will take risks when the benefit is certain and the hazard is uncertain
People will take greater risks following positive results from previous risk taking
People will stop taking risks when the benefit is uncertain or the hazard becomes certainWhat we know about risky behavior
Fluorine gas inhalation hazard is unknown
Graduate Student working alone with 5% fluorine gas
Gas leak in area with improper ventilation
Student suffered pulmonary edema
Corrective actions included written fluorine filling and emergency procedures
Lab Safety (01/15/09)Why a class about safety?
Drying oven explosion hazard is unknown
Post-doc researcher processing samples with ethanol
Set drying oven for 60C, well above flashpoint
Explosion & fire destroyed lab
Corrective actions included MSDS training
Chemical Hazard Information (1/20/09 &1/22/09)Why a class about safety?
Fume hood explosion hazard is unknown
Graduate student preparing solutions in a fume hood, but the sash was not lowered
Solution got hot and overpressurized
Multiple cuts to hands and face
Fume Hood Usage (01/27/09)Why a class about safety?
Chemical poisoning hazard is unknown
Professor spilled dimethyl mercury
A few drops came in contact with her gloved hand
Chemical penetrated glove and skin
Suffered for 10 months and died
Laboratory Safety Inspections (01/29/09)Why a class about safety?
Electrocution hazard is unknown
Professor plugs in an electric lamp
The lamp was shorted & the ground was disabled with a two-prong adapter
Professor received an intense shock
Pronounced dead at the hospital
Electrical Safety (02/17/09)Why a class about safety?
Lab fire hazard is unknown
Graduate students were unloading a shipment of hexane into a solvent cabinet
The shelf collapsed and the students were drenched in solvent
Flash fire occurred while the lab was vacant
Lab was a total loss
Fire Safety (02/19/09)Why a class about safety?
BLEVE hazard is unknown
Student capped a liquid nitrogen relief valve
Was unaware that someone had capped the secondary relief valve
Explosion occurred a 3 AM
Lab was a total loss
High & Low Pressure Safety (02/24/09)Why a class about safety?
Laser injury hazard is unknown
Researcher attempted to place a filter in an active laser beam
The researcher’s hand moved a mirror
The laser flash injured his eye
Laser & Radiation Safety (02/26/09)Why a class about safety?
Training hazard is unknown
Lead by example
Right tool for the job
Communicate lessons learned
Know the “traps” that cause injuryWhat can be done to prevent injury?
“Swimming pools can be dangerous. To protect people, one can install locks, put up fences, and deploy pool alarms. All of these measures are helpful, but by far the most important thing that one can do is to teach them to swim.” (Thornburgh & Lin ).