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Lab Safety and Management. Safety. Teachers are expected to Protect health, welfare, & safety of their students Foresee reasonable consequences of actions and inactions of students Carefully instruct student on potential hazards. This all adds up to:.

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Lab Safety and Management

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  • Teachers are expected to
    • Protect health, welfare, & safety of their students
    • Foresee reasonable consequences of actions and inactions of students
    • Carefully instruct student on potential hazards
this all adds up to
This all adds up to:
  • Showing good faith and due diligence in laboratory procedures.
  • Most law suites are based on negligence.
The negligence is not always the fault of the teacher:
    • Dana Center's data suggest that when the number of students in laboratories surpasses 24, the frequency of accidents triples.
    • District is responsible for providing and keeping all safety equipment in working order.
    • What do you do with a student that has a difficult time staying focused and is disruptive?
general safety responsibilities
General Safety Responsibilities
  • Supervising Students
  • Providing adequate instruction
  • Informing students of potential risk
  • Providing safe lab facilities
  • Maintaining equipment in proper working order
in the lab
In The Lab
  • MSDS Information
  • No entry Signs to Storage
  • Post Rules
  • Every lab should start with a safety review
  • Every student needs to have signed a safety contract
use consistency in your safety routines
Use Consistency in your Safety Routines
  • Goggles
  • Aprons
  • Hair
  • Shoes
  • Fume Hoods
When you follow some basic steps, you


Mutual Responsibility

working with glass
Working with Glass
  • Hot glass looks like cold glass
  • Always check for cracks
  • Watch out for the edge of the table
  • Every lab should have broom and dust pan
  • Designate a broken glass bin (box)
working with heat
Working with Heat
  • Heat test tube at an angle to prevent vapor accumulation and always point it

away from people.

  • Do not heat a closed container: Stuff top with lab tissue
  • Use a water bath to heat volatile or flammable solvents
safety equipment
Safety Equipment
  • Eye Wash/Body Wash
safety equipment14
Safety Equipment
  • Fire Blanket
  • Uses
    • Student
    • Modesty cover
    • Chemical spills
safety equipment15
Safety Equipment
  • Fire Extinguisher

Do you know what

type you have?

  • Break the seal
safety equipment16
Safety Equipment
  • First Aid Kits
    • Make sure that they are replenished yearly
accidents happen
Accidents Happen
  • Begin safety procedure:
    • Eye Wash - Fire Blanket
    • Body Wash
  • Remove all “unaffected” Students from the room
  • Call Nurse
  • Notify Administration
lab management

Lab Management

Chemical Handling, Storage and DisposalFrom Cradle to Grave

working with chemicals
Working with Chemicals
  • Label all containers
  • Only mix what you need: instead of mL, use drops.
  • Avoid cross contamination
    • Use wax paper on balance
    • Have a separate pipette or spatula for each beaker
    • Never pour un-used chemicals back into original containers
  • Read labels twice to avoid confusion and mistakes
working with chemicals20
Working with Chemicals
  • Students and teacher should always wear goggles and aprons when working with chemicals.
  • Keep hands, lab instruments, and chemicals away from mouth and eyes.
  • Never let chemicals leave the lab
chemical disposal
Chemical Disposal
  • This is not an advertisement:
    • Flinn Scientific has a reference section in the back of their catalog: examples include
      • Organic Acid Halides
      • Alkali Metals and Alkaline Earth Metals
      • Silver Compounds
      • Oxidizing Agents
      • Reducing Agents
      • Organic and Inorganic substances
biological hazards
Biological Hazards
  • Products that are potentially contaminated with microorganisms have two major disposal methods:
    • Autoclaving (pressure cooker)
    • Chemical Sterilization (bleach)

Again; found in Flinn

flinn resources
Flinn Resources
  • You can call Flinn if:
    • You are unsure of a lab procedure
    • You need assistance with a disposal method
    • You are unsure of how to mix a solution
    • You need a storage method
discussion questions
Discussion Questions
  • What do you do with a student that has a difficult time staying focused and is disruptive?
how can the district science department help you
How Can the District Science Department Help You?

Any Ideas?

  • Ask administrators to consider safety and class size while building master schedule
  • Concerns that the Middle Schools do not have exhaust systems in the labs. (not a vent hood but a complete room exhaust)
  • Some schools have labs that do not have eye washing capabilities
  • Members requested a Lab Safety training for the administrators and counselors.
  • % of inclusion students labs, some are up to 70% with no co-teacher
would you like to be part of a committee
Would you like to be part of a committee?

The SBISD Lab Safety Manual needs to be reviewed and updated.