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NCSU Chem Dept Orientation Safety Training for Grads and posted

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NCSU Chem Dept Orientation Safety Training for Grads and posted

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NCSU Chem Dept Orientation Safety Training for Grads and posted

  1. 1. Chemistry Graduate Student Orientation SafetyTraining Chemistry Department Safety Officer: Melinda Box, mcbox2@ncsu.edu (919) 515-2537
  2. 2. Safety Goals  Prevent acute injuries to yourself and others  Prevent cumulative exposure to yourself and others  Prevent damage to materials and facilities NOTE:This training is an INTRODUCTION. It is not all-inclusive, so if you’re ever unsure, ASK! 2
  3. 3. Know the Space NASA astronaut,Tim Kopra, using a Microgravity Glovebox aboard the International Space Station 3
  4. 4. Know the Space  safety shower  eye wash  first aid kit  fire extinguisher  fire alarm pull  spill kit 4 What safety items should you look for in your workspace?
  5. 5. Know the Space  contact numbers – in addition to 911 and (919) 515-3000  street address and room number (not just building name) 5 Other safety info you should look for:  evacuation route map (either posted or in the safety plan)  land line telephone (as back-up)
  6. 6. Know the Space  chemical storage locations (in teaching labs, chemicals present change regularly) 6 Identify chemical hazards present and the means to manage them:  unwanted material collection arrangements (type, location)  ventilation hoods (types and how to operate)
  7. 7. Lab Safety Info 7 What do you mean, you didn’t check on that? How hard could it be???
  8. 8. Lab Safety Info  Door Sign  contact person  hazards inside lab SAFETYPLAN 8 Where do you get safety info about your workspace?  Safety Plan – in binder in lab or on-line  Lab Safety Officer
  9. 9. Chemical Safety Info 9  MSDS’s and/or SDS’s (use multiple sources) Where do you find it?  EH&S email –  Experience of lab mates JUST ASK! gives safety info & goes to purchaser ex’s – peroxide formers, air/water reactives, highly toxics  Standard Operating Procedures (SOP’s)  Lab manuals (when teaching)
  10. 10. Interpreting Safety Info 10 But how unstable is “UNSTABLE”?
  11. 11. Interpreting Safety Info  SDS’s and the GHS – Example of Sigma Aldrich format for Lithium Aluminum Hydride GHS Hazard Statements GHS Precautionary Statements 11
  12. 12. Interpreting Safety Info  MSDS formats – no two distributors are alike Example from ScienceLab.com 12
  13. 13. Interpreting Safety Info  Globally Harmonized System (GHS) of Labeling – a first indication of type of hazard posed further information from SDS is usually needed GHS Health Hazard Category Limits GHS Physical Hazard Category Limits 13
  14. 14. Interpreting Safety Info Common Hazards  Corrosive – respond rapidly to eye or skin contact; also store in a cabinet designed for that purpose (lower conc’s of ≤ 1 L may be kept at the bench) 14  Oxidizer – keep away from flammable and combustible materials, including organic reagents, clothing, and wooden shelves and cabinets
  15. 15. Interpreting Safety Info Common Hazards  Irritant – avoid skin contact and breathing  Sensitizer – avoid repeated contact 15  Carcinogen – eliminate or minimize exposure
  16. 16. Interpreting Safety Info Common Hazards  Toxin – OR OR Avoid internal exposure. NOTE: internal exposure can be caused by touching contaminated gloves, hands, or cell phones to the face 16 But how?
  17. 17. Interpreting Safety Info “So what does LD50 mean?” 17
  18. 18. Interpreting Safety Info Common Hazards  Flammable – keep away from heat and flames and store volumes ≥ 1L in a cabinet designated for that purpose 18 Uncommon Hazards  Pyrophoric (ignites spontaneously in air at temps  130 oF or 54.5 oC)– get training from senior group members or PI
  19. 19. Interpreting Safety Info  Mutagen (causes genetic mutation) - eliminate or minimize exposure (may be associated with carcinogenicity) 19 Uncommon Hazards  Explosive – use a blast shield or hood sash  Teratogen (causes harm to developing fetus) – avoid handling while pregnant or while near someone who is pregnant  Lachrymator (causes eyes to water) – always handle in a fume hood
  20. 20. Personal Protective Equipment (PPE) Requirements Always wear safe attire in lab:  safety glasses or goggles  long pants (to the ankles)  closed toed shoes  covered torso and shoulders  gloves as needed  lab coat as needed 20 What’s RIGHT with this picture? What’s WRONG with this picture?
  21. 21. PPE Support Resources:  Glove Selection:  Ansell Chemical Resistance Guide  North Chemical Resistance Guide  FREE Prescription Safety Glasses at NCSU  Getting a Lab Coat – contact Alan Harvell 21
  22. 22. Fume Hoods  Proper Use:  keep face and body outside of hood  keep sash height below marked limit  keep work ≥ 6 inches inside the hood  and, to save energy, close hood when not in use (you save ~$3000/year in energy costs) 22 What’s WRONG with this picture?
  23. 23. Fume Hoods  toxic solids (including weighing) 23 What are they for?  volatiles (i.e. easily form vapor, low b.p.)  dust irritants  explosion risks
  24. 24. Managing Physical Hazards 24
  25. 25. Managing Physical Hazards a quick review of the familiar ones  Burns -  How do you prevent them? 25  alert lab mates to hot glassware  How do you treat them?  run cold water or place on ice for 15 minutes
  26. 26.  Fire  What do I do if I’m on fire? 26 Managing Physical Hazards a quick review of the familiar ones  stop, drop, and roll and/or use the safety shower  What do I do if something else is on fire?  in a container, cover it  small enough, use fire extinguisher (optional)  on pyrophoric fires, use fire sand
  27. 27.  Crush/Pinch Point  ask for assistance  use proper means of moving, lifting, or transport 27 Managing Physical Hazards a quick review of the familiar ones  Electrocution  be vigilant around modified electronics  do not override interlocks  Loud noises  white or sudden noise - wear hearing protection  get pre-screened before exposure to high decibel background  get on-line Hearing Conservation Training
  28. 28.  U/V rays – cumulative eye and skin damage  don’t look directly into the lamp  use a UV filtering window or safety glasses to look under lamp 28 Managing Physical Hazards introduction to lab ones  Silica Gel – breathing hazard  irritation not scarring  transfer in a hood OR  with a dust mask and eye protection outside a hood
  29. 29. 29 Computer Ergonomics (before)
  30. 30. 30 Computer Ergonomics (after)
  31. 31. Taking Responsibility 31
  32. 32. SafetyTraining Needed For all NCSU employees:  Manager’s Safety Checklist (including research group’s SOP’s) For anyone who might handle chemicals:  Chemical Hygiene Plan  ChemicalWaste Management To Whom It May Apply:  BioSafety  Formaldehyde  Hearing Conservation Program  Laser Safety  Radioactive Material Safety  RespiratorTraining  X-ray Safety  Nanomaterials 32
  33. 33. Follow Best Practices 33 The following includes requests from your future Labmates!
  34. 34. Follow Best Practices  Never work alone in lab 34 What is wrong with these pictures?  No lab items in office spaces
  35. 35. Follow Best Practices  No gloves or lab coats in non-lab spaces 35 What is wrong with these pictures?  Never Eat or Drink in Lab  Use good ergonomics for heavy lifting
  36. 36. Follow Best Practices in Lab  Always make a plan, preferably written, before starting an experiment.  Considerations in making an experimental plan:  chemical, physical, and health hazards  work flow  waste management  other resources and equipment 36
  37. 37. Follow Best Practices in Lab  Allow extra time to do things (rushing tends to undo progress)  Maintain good housekeeping (for improved experimental success and for consideration of lab mates)  keep bench organized and uncluttered  return materials to shared storage  keep work space open (i.e. not crowded by storage) 37
  38. 38. Campus Safety and Security  For emergency - call 911 from any phone  For assistance – call campus police at (919)515-3000  For info about campus safety alerts, automatic and requested, including natural disasters – https://www.ncsu.edu/emergency-information/ 38
  39. 39. DiscussionTopics  Compressed Gases  cap in transport or while not in use  chain tanks to a cart or brace  only open caps and valves with an approved tool  don’t force connections  don’t use lube or tape on threads 39
  40. 40. DiscussionTopics Cryogens – dry ice and liquid nitrogen  wear cyrogenic gloves when touching anything cooled by the cryogen  wear eye and face protection when handling cryogen  avoid breathing exhaust from a relief valve  never fill a dewar more than 80%  move away from a spill  keep flammables away from liquid nitrogen cold traps that may condense oxygen 40
  41. 41. DiscussionTopics ChemicalTransport  Use secondary containment (ex’s: bucket, bin, or cart with lip) Labeling –  storage bottles - full name of all components and approx. composition  vials – initials, date, and lab notebook page NOTE: restraining rail 41
  42. 42. DiscussionTopics Unwanted Material Management Practices:  keep unwanted material in secondary containment  keep unwanted material capped when not in use  for lidded/latching funnels keep fully latched when not in use  segregation, common examples:  keep acids from bases, organics, and metals  highly toxics from all else  questions? Contact Bruce Stewart (919) 515-6307) 42
  43. 43. DiscussionTopics Unwanted Material Management Practices (cont’d):  labels (generated by EH&S) must be on the container before any material is transferred into it  unwanted material may not be removed from location of generation, except by authorized personnel  segregate Biowaste and treat properly (i.e. must be autoclaved as directed – check with senior group members for details)  in teaching labs, only down the drain or in the regular trash when directed 43
  44. 44. DiscussionTopics Response for Eye Wash and Safety Shower Use:  Assist affected person to shower or eye wash and make sure user rinses for 15 minutes  send someone to get assistance while you stay with the affected person and call 911 for emergency assistance  stop all work in the room & make sure students shut down experiments safely  prepare for flooding of the room  make sure user of safety shower disrobes 44
  45. 45. DiscussionTopics Accident and Incident Response:  For fire, injury, or explosion, call 911 from a campus or personal phone  Provide building address and emergency situation to dispatchers  Remain on location until responders arrive  Stay with the affected student; send someone else to get assistance  For a spill, evacuate the room, the floor, or the building based on hazard posed. Then call Campus Police at (919) 515-3000, and be sure to give your contact number so that the EH&S rep on-call can contact you.  Fill out a report form –one of the following: teaching labs’, department’s, university’s on-the-job injury 45
  46. 46. Helpful Resources  Chem Dept Safety Officer – Melinda Box (919) 515-2537  EH&S Website https://ehs.ncsu.edu/  Chemistry Dept Safety Info https://go.ncsu.edu/chemdeptsafety  Hazardous Waste Management – Bruce Stewart (919) 515-6307  Radiation Safety – Amy Orders (919) 515-5208  BioSafety – DarrenTreml (919) 515-6858  Laser Safety – Simon Lappi (919) 515-6871 46
  47. 47. Contributors  Lab Safety Officers - Rosalynd Joyce, Madison Davidson, Leiah Carey, Cameron Stevens, Brandon Zoellner, Maans Ekeloef,Amanda Cooper, Christina Martinez, Xiaohu Xie, Alec Falzone, Sara Martin, David Daley  Undergraduate Lab Supervisor – Marcie Belisle  Undergraduate Lab Manager – Maria Gallardo-Williams 47

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