Transcript Chem 550--review class (final class)

The Keys to Laboratory
Safety:
Semester Review
Bill Diesslin
March 3, 2009
Chemical Safety in the Lab
Risk Management
Name two federal agencies that have
regulations that deal with chemical use in
the laboratory.
U.S. Department of Labor
Occupational Safety and Health Administration
OSHA
Chemical Risk Management
What is the name of the document that is
the primary resource for information on
how to use chemicals in laboratories at
ISU?
ISU Laboratory Safety Manual
A.
B.
C.
D.
E.
F.
G.
H.
Introduction
Process Planning
Emergency Planning
Equipment
Training
General Lab Safety Practices
Safety Practices for Specific Hazards
Management of Unwanted Lab Materials
(Waste)
I. Exposure Assessment and Medical Care
Appendix I: Forms
Appendix II: Lab Related Manuals
ISU Laboratory Safety Manual
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YOUR RESPONSIBILITIES:
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Familiarize yourself with the document
Be aware of lab hazards
Follow Standard Operating Procedures
Review processes with major professor
Use equipment properly (i.e., PPE, fume
hoods, etc.)
• Label, store & dispose of chemicals
properly
• Manage chemical inventories
• Be a good example to others
Personal Protective Equipment
Chemical-resistant gloves are commonly
used in the laboratory. Name 3 things to
be aware of when selecting and using
chemical-resistant gloves.
Personal Protective Equipment
PPE is last line of defense
 Identify the hazards
 Selecting the right PPE
• Types available
• Minimum required in a lab
• Special cases
 Your responsibilities when wearing
PPE
Regulated by OSHA
Part of SOPs
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Chemical Hazard Information
Name two sources of chemical safety
information.
Chemical Hazard Information
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Constituents of MSDS
Health & physical hazards
Controls
Label requirements –
secondary containers
Relative to use
Allows hazard assessment
Chemical Hood Usage
Name three things to keep in mind when
using a chemical hood.
Chemical Hood Usage
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Purpose
Operational
Characteristics
Proper Hood Usage
Common Usage
Problems
Servicing
Laboratory Inspections
Names three things that would be
deficiencies listed on a laboratory
inspection form.
Laboratory Inspections
POSITIVE IMPRESSIONS
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Every occupant wearing PPE
Door has current emergency contact information and NFPA sign
No food or drink containers in laboratory
Room is clean and uncluttered
Eyewash station is clean and labeled as being tested
Chemical containers are from the 21st century
All glassware is clean and put away when not in use
All chemical containers has labels with names spelled out
Centralized location for all documentation (Laboratory Safety
Manual, MSDSs, training records, emergency contact info)
Hazardous Waste Disposal
The new term used to refer to waste is
_________ ________.
Hazardous Waste Handling at
ISU
Chemical Storage
Peroxide-forming chemicals must be
tested how many months after opening of
the container?
Chemical Storage
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Why is proper storage
critical?
Labeling
General Storage
Considerations
Storage in Refrigerators
Storage in Fume hoods
Flammable Storage
Hazardous Materials Shipping
Name the U.S. authority for all shipments
by land, sea and air.
Hazardous Materials Shipping
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What materials are
regulated for shipping?
What can happen if you
don’t comply with the
regulations?
What are the steps
involved in shipping?
Biosafety
What is the name for an organism that
causes diseases in humans, plants or
animals?
Biosafety
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Recombinant DNA
Transgenic Animals or
Plants
Bacteria, Viruses, Fungi,
Prions
Biological Toxins
(e.g.Tetanus Toxin)
Human Blood and Certain
Body Fluids
Institutional Biosafety
Committee approval
Emergency Actions
Chemical Spill Procedures
Name two things you would find in an
emergency action plan.
Emergency Actions
Chemical Spill Procedures
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Types of emergencies
Procedures
Alarm systems
Chemical spill issues
Mercury
Small versus large?
Part of employee
training
Electrical Safety
Name two types of electrical shock
injuries and two factors impacting
electrical shock.
Electrical Safety
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Improper use of
electrical equipment.
Damaged
equipment: cords,
plugs.
UL-approved
GFCI
Vapors
Fire Safety in the Lab
Name the three components of the fire
triangle.
Fire Safety in the Lab
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Fire Chemistry and
Principles
Controlling Lab Fire
Hazards
Fire Evacuation
Procedures
Fire Extinguishers
PASS
Common State Fire Marshal Fire
Safety Citations - ISU
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Hallway doors opened
Storage < 18” below sprinkler heads
< 3’ clearance by electric panels
Improper use of extension cords & door
wedges
Lack of orderly and clean laboratories
Pressure Safety
As volume increases, pressure
__________; as temperature increases,
pressure __________.
Pressure Safety
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MAWP
Safety Factor
Hazards of cryogens?
Cylinders: primary/secondary
hazards
Radiation Safety
Radiation that has enough energy to
cause the release of an orbital electron is
called __________.
Radiation Safety
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Radiation Types
• Ionizing
• Non-Ionizing
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Controls
ALARA
Laser Safety
Name 3 ways that you can prevent
exposure to a laser beam.
Laser Safety
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“LA-SER”
Which classes of lasers
are hazardous?
Which non-beam hazard
is the most significant?
How do you protect
yourself when using a
laser?
That’s It!