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MU Laboratory Safety
- 1. MU-EHS Laboratory Safety Training
- 2. Session Objectives You willbe able to: • Understand the MU Chemical Hygiene Plan • Identify laboratory hazards • Take proper precautions to protect yourself • Act effectively in an emergency
- 3. What You Needto Know • MU Chemical Hygiene Plan • Required PPE • Safe work practices • Emergency response
- 4. Chemical Hygiene Plan •Chemical hazards • Safe work practices, procedures, and controls • Proper PPE to use with specific chemicals • Emergency procedures
- 5. Chemical Hygiene Plan(cont.) OSHA requires MU to: • Evaluate control equipment and perform annual laboratory inspections • Establish standard operating procedures • Perform exposure assessments • Provide medical consultations and exams to Faculty and Staff • Provide proper training • Manage safety information
- 6. MSDS and Labels TheMSDS tells you: • Physical and chemical properties • Health hazard information • PELs and symptoms of exposure • How to safely handle substances • First aid and treatment for overexposure
- 7. Physical Hazards 1. Flammable substances 2. Reactive substances 3. Corrosive substances 4. Compressed gases
- 8. Health Hazards: Chemicals •Short-term health effects • dizziness, nausea, and headache, irritation to the eyes, nose, throat, or upper respiratory tract; persistent cough, wheezing, or tightness in the chest; chest pain; and difficulty breathing or shortness of breath • Long-term health effects • internal organ damage, reproductive problems, and cancer
- 9. Hazards • Do youunderstand the information that has been presented so far?
- 10. Chemical Fume Hoods Chemicalfume hoods serve three functions: • Isolate chemicals and apparatus that present physical hazards • Contain spills • Control inhalation exposure Use a hood for operations that require it’s use based on the chemicals MSDS
- 11. Chemical Fume Hoods(cont.) When using a hood: • Confirm that it is working properly • Keep chemicals and lab equipment 6 inches inside • Keep glass door between your face and materials • Avoid swift hand or body movements • Make sure items don’t block air flow
- 12. Required PPE forEyes • Eye protection • ANSI – Z87 Approved Laboratory Chemical Splash Goggles are required for all laboratory classes where chemicals are present. • Laboratory Goggles are available for purchase in the campus bookstore • NO COMMUNAL USE GOGGLES ARE AVAILABLE IN LABS
- 13. Required PPE (cont.) •Gloves • MU Chemical Hygiene Plan will list what type of gloves to use for certain chemicals. • Most laboratories on campus will allow for general Latex or Nitrile gloves • Other skin protection • Respirators • SEE EHS before using! • Footwear
- 14. Safe Hygiene ALWAYS: • Washyour hands after direct exposure and before leaving the lab NEVER: • Smell or taste chemicals • Eat, drink, chew gum, smoke, or apply cosmetics near chemicals • Store food in chemical storage refrigerators • Use lab equipment to handle food
- 15. Laboratory Equipment • Glassware •Electrical equipment • Hot Plates • Stir Plates • Equipment with moving parts • Compressed gas cylinders
- 16. Chemical Storage: BasicSegregation • First, segregate by state: solids, liquids, and gases • Then segregate by hazard class • Never store chemicals alphabetically • Date incoming containers of chemicals with a specific shelf life
- 17. Chemical Storage: Whereto Store • Volatile toxic or odiferous chemicals in a vented cabinet • Flammable solvents in a flammable storage cabinet, under a fume hood, or in a safety can • Highly reactives in locked cabinets Corrosives in cabinets or under fume hoods on trays • Solids on shelves or in a cabinet • Gas cylinders secured close to area of use
- 18. Safe Housekeeping • Keepsurfaces clean, dry, and uncluttered • You are responsible for keeping your lab space clean! • Never store chemicals on the floor • Never store chemicals open to the air • Be sure to have clear access to emergency exits and equipment
- 19. Inspections • MU EHSconducts regular lab inspections • Correct and document safety problems • Include: • Emergency equipment • Chemical storage areas – Satellite Accumulation Areas • Chemical fume hoods • Electrical equipment • Compressed gas cylinders • Emergency exits
- 20. Controls, PPE, andSafe Work Practices • Do you understand the information presented about engineering controls, PPE, and safe work practices?
- 21. Basic First Aid •Chemicals in eyes • Chemicals on body • Inhalation • Swallowing
- 22. Basic First Aid(cont.) • Know where eyewash stations and emergency showers are located • Notify your instructor immediately if contaminated • If required Call 911 • After calling 911 contact MU Police and Public Safety x7577 • Get medical attention after washing off chemicals
- 23. Spill Control: MinorSpills • Alert people in the immediate area • Increase ventilation Using the MU Chemical Spill Kit • Don PPE • Absorb spill with kit absorbents • Collect residual chemical and cleanup materials in sealed black bags for disposal • Clean spill area with water only
- 24. Spill Control: MajorSpills • Alert everyone in the area to evacuate • Attend to injured or contaminated co-workers or students and remove them from the area • If chemical is flammable, turn off ignition sources, if you can do so safely • Evacuate, closing doors as you exit • Contact emergency response team • Methodist University Police and Public Safety x7577
- 25. Fire Emergencies • Activatealarm and call 911 then x7577 • Notify everyone around • Shut down equipment, if safe • Use a fire extinguisher, if appropriate • Isolate the area by closing doors and windows • Evacuate
- 26. Key Points toRemember Remember these four basic principles of laboratory safety: • Familiarize yourself with the MU Chemical Hygiene Plan • Select appropriate PPE • Maintain a safe laboratory environment • Prepare for emergencies